ROMA Connect
ROMA Connect

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      • What's New
      • Function Overview
      • Service Overview
        • Infographics
        • What Is ROMA Connect?
        • Application Scenarios
          • Smart Campus Integration
          • Industrial Internet Integration
          • Application & Data Integration of Corporation Groups
        • Edition Differences
        • Edition Differences (New Version)
        • Supported Data and Protocols
        • Quotas
        • Constraint
        • Permissions
        • Basic Concepts
        • Related Services
      • Billing
        • Overview
        • Billing Modes
          • Overview
          • Yearly/Monthly
          • Pay-per-Use Billing
          • Package
        • Billing Items
        • Renewal
          • Overview
          • Manually Renewing a ROMA Connect Instance
          • Auto Renewal
        • Bills
        • Arrears
        • Stopping Billing
        • Cost Management
        • FAQ
          • Can I Change the Billing Mode of a ROMA Connect Instance?
          • Can I Use the Remaining RCU-Hours in this Month until the Next Month?
      • Getting Started
        • Using ROMA Connect for Data Integration
        • Using ROMA Connect for Service Integration
        • Using ROMA Connect for Message Integration
        • Using ROMA Connect for Device Integration
        • Using ROMA Connect for Composite Applications
        • Getting Started with Common Practices
      • User Guide
        • Usage Process
        • Instances
          • Creating a ROMA Connect Instance
            • Preparing Required Resources
            • Creating an Instance
          • Managing Instances
            • Viewing Details of an Instance
            • Modifying Instance Configuration Parameters
            • Creating a Data Dictionary
            • Importing and Exporting Assets
          • Restoring/Migrating Integration Assets
            • Overview
            • Preparations
            • Modifying Instance Configurations
            • Importing Integration Assets
            • Modifying Integration Application Configurations
            • Modifying Data Source Configurations
            • Modifying API Configurations
            • Modifying Device Configurations
            • Service Interconnection Adaptation and Verification
        • Integration Application Management
          • Creating an Integration Application
          • Configuring Integration Application Authorization
        • Data Source Management
          • Data Sources Supported by ROMA Connect
          • Connecting to an API Data Source
          • Connecting to an ActiveMQ Data Source
          • Connecting to an ArtemisMQ Data Source
          • Connecting to a DB2 Data Source
          • Connecting to a DIS Data Source
          • Connecting to a DWS Data Source
          • Connecting to the DM Data Source
          • Connecting to a Gauss100 Data Source
          • Connecting to an FTP Data Source
          • Connecting to an HL7 Data Source
          • Connecting to a HANA Data Source
          • Connecting to a HIVE Data Source
          • Connecting to an LDAP Data Source
          • Connecting to an IBM MQ Data Source
          • Connecting to a Kafka Data Source
          • Connecting to a MySQL Data Source
          • Connecting to a MongoDB Data Source
          • Connecting to an MQS Data Source
          • Connecting to an MRS Hive Data Source
          • Connecting to an MRS HDFS Data Source
          • Connecting to an MRS HBase Data Source
          • Connecting to an MRS Kafka Data Source
          • Connecting to an OBS Data Source
          • Connecting to an Oracle Data Source
          • Connecting to a PostgreSQL Data Source
          • Connecting to a Redis Data Source
          • Connecting to a RabbitMQ Data Source
          • Connecting to a RocketMQ Data Source
          • Connecting to an SAP Data Source
          • Connecting to an SNMP Data Source
          • Connecting to a SQL Server Data Source
          • Connecting to a GaussDB(for MySQL) Data Source
          • Connecting to a WebSocket Data Source
          • Connecting to a Custom Data Source
        • Data Integration Guide
          • Usage Introduction
          • Connecting to Data Sources
          • Creating a Common Data Integration Task
            • Configuring Basic Information
            • Configuring Source Information
            • Configuring Destination Information
            • Configuring a Data Mapping Rule
            • (Optional) Configuring Fault Information Storage
            • (Optional) Configuring the Post-Integration Operation
          • Creating a Composite Data Integration Task
            • Configuring Oracle CDC (LogMiner)
            • Configuring Oracle CDC (XStream)
            • Configuring the MySQL CDC (Binlog)
            • Configuring SQL Server CDC
            • Creating a Composite Task
          • Creating a Flow Data Integration Task
            • Configuring a Flow Task Process
            • Configuring Source Information
            • Configuring Destination Information
            • Configuring Mapping Rules
          • Starting or Stopping a Data Integration Task
          • Managing a Data Integration Task
            • Viewing Data Integration Tasks
            • Importing or Exporting Data Integration Tasks
            • Appendix: Quartz Cron Expression Configuration
          • Connectors
            • Creating a Connector
            • Publishing Connectors
        • Service Integration Guide
          • Usage Introduction
          • Exposing an API
            • Creating an API Group
            • (Optional) Creating a Load Balance Channel
            • Creating an API
            • Debugging an API
            • (Optional) Creating an Environment and Variable
            • Publishing an API
            • Binding Domain Names
            • (Optional) Authorizing Credentials to Call APIs
          • Exposing a Function API
            • Creating a Function Backend
            • Publishing a Function API
            • Binding Domain Names
            • (Optional) Authorizing Credentials to Call APIs
          • Exposing a Data API
            • Connecting to a Data Source
            • Creating a Data Backend
            • Publishing a Data API
            • Binding Domain Names
            • (Optional) Authorizing Credentials to Call APIs
          • Calling an API
            • Calling an Open API
            • Configuring CORS for APIs
            • Scheduling API Calling
            • Viewing API Calling Statistics
            • Viewing API Call Logs
            • Appendix: API Error Codes
            • Response Headers
          • Managing APIs
            • Taking an API Offline
            • Importing and Exporting APIs
            • Adding an SSL Certificate
            • Adding a Credential for Simple Authentication
            • Appendix: Extended Swagger Definition of APIs
          • Managing Custom Backends
            • Taking a Custom Backend Offline
            • Importing and Exporting Custom Backends
            • Adding Public Configurations for Custom Backends
            • Appendix: Swagger Extended Definitions for Custom Backends
          • Configuring API Control Policies
            • Configuring API Request Throttling
            • Configuring API Access Control
            • Configuring API Credential Quotas
            • Configuring API Credential Access Control
          • Configuring API Plug-in Policies
            • Configuring CORS
            • Configuring HTTP Response Header Management
            • Configuring Request Throttling 2.0
            • Configuring Kafka Log Push
            • Configuring Circuit Breakers
            • Configuring A Third-Party Authorizer
            • Configuring Proxy Cache
          • Configuring a Custom Authorizer
            • Creating a Frontend Custom Authorizer
            • Creating a Backend Custom Authorizer
          • Configuring Signature Verification for Backend Services
          • Configuring API Cascading
        • Service Integration Guide (Old Edition)
          • Usage Introduction
          • Exposing APIs
            • Creating an API Group
            • (Optional) Creating a Load Balance Channel
            • Creating an API
            • Debugging an API
            • (Optional) Creating the Environment and Environment Variables
            • Publishing an API
            • Binding Domain Names
            • (Optional) Authorizing Applications to Call an API
          • Creating and Exposing Data APIs
            • Connecting to Data Sources
            • Creating a Data API
            • Binding Domain Names
            • (Optional) Authorizing Apps to Call an API
          • Creating and Exposing Function APIs
            • Creating a Function API
            • Binding Domain Names
            • (Optional) Authorizing Apps to Call an API
          • Calling an API
            • Calling an Open API
            • Configuring CORS for APIs
            • Viewing API Calling Statistics
            • Viewing API Call Logs
            • Appendix: API Error Codes
            • Response Headers
          • Managing APIs
            • Taking an API Offline
            • Importing and Exporting APIs
            • Configuring an API Scheduled Task
            • SSL Certificate Management
            • Appendix: Extended Swagger Definition of APIs
          • Managing Custom Backends
            • Taking a Custom Backend Offline
            • Importing and Exporting Custom Backends
            • Adding Public Configurations for Custom Backends
            • Appendix: Swagger Extended Definitions for Custom Backends
          • Managing Control Policies
            • Configuring a Request Throttling Policy
            • Configuring an Access Control Policy
            • Configuring a Client Quota Policy
            • Configuring a Client Access Control Policy
          • Managing Plug-ins
            • Using Plug-ins
            • CORS Plug-in
            • Kafka Log Push Plug-in
            • HTTP Response Header Management Plug-in
            • Circuit Breaker Plug-in
          • Configuring a Custom Authorizer
            • Creating a Frontend Custom Authorizer
            • Creating a Backend Custom Authorizer
          • Configuring Signature Verification for Backend Services
          • Configuring API Cascading
        • Message Integration Guide
          • Usage Introduction
          • Creating a Topic
          • (Optional) Granting Permissions for Topics
          • Connecting to a Topic
          • Topic Management
            • Viewing Message Body
            • Importing and Exporting Topics
          • Migrating Kafka Services
        • Device Integration Guide
          • Usage Introduction
          • Creating a Product
          • Registering a Device
          • Connecting Devices to ROMA Connect
            • Connecting MQTT Devices
            • Connecting Modbus Devices
            • Connecting OPC UA Devices
          • Product Management
            • Viewing Product Information
            • Importing and Exporting Products
            • Creating a Product Template
          • Device Management
            • Viewing Devices
            • Importing and Exporting Devices
            • Creating a Device Group
          • Rule Engine
            • Configuring Data Forwarding Rules
            • Importing and Exporting Rules
          • Subscription Management
            • Subscribing to Device Notifications
            • Appendix: Packets of Subscribed Notification Messages
        • Increasing Resource Quota
        • Audit Logs
        • Monitoring Metrics
        • Permissions
          • Assigning ROMA Connect Permissions
          • ROMA Connect Custom Policies
      • User Guide(new)
        • Instance Management
          • Creating a ROMA Connect Instance
            • Preparing Resources
            • Creating an Instance
          • Buying a Package
          • Viewing Details of an Instance
          • Modifying Instance Specifications
        • Creating a Composite Application
          • Creating a Composite Application with a Template
          • Composite Application Template
          • Importing a Composite Application File
          • ROMA Snap
        • Composite Application Management
          • Viewing Runtime Logs
          • Viewing System Logs
          • Viewing Monitoring Data
          • Importing and Exporting a Composite Application
          • Creating a Composite Application Template
          • Layout and Configuration
          • Connector and Processor Management
        • Parameter Setting and Variable Selection
          • Referencing Variables
          • Referencing Functions
          • Setting Data Structures
        • Connectors
          • Triggers
            • OpenAPI
            • FTP
            • ActiveMQ
            • Jira Software
            • Timer
            • ArtemisMQ
            • RabbitMQ
            • EventGrid
            • QQ Mail
            • IMAP Mails
            • IBM MQ
            • Kafka
            • MySQL
            • Oracle
            • PostgreSQL
            • SQL Server
          • AI
            • Image Recognition
            • NLP
            • Pangu Large Models
            • OCR
            • FRS
            • Moderation
            • Image Search
            • CBS
            • ModelArts
          • HTTP
            • HTTP Request
            • HTTP Response
          • Databases
            • MySQL
            • Redis
            • Db2
            • GaussDB
            • DWS
            • Milvus
            • Oracle
            • PostgreSQL
            • SQL Server
          • Huawei Cloud Services
            • FunctionGraph
            • SMS
            • SMN
            • OBS
            • DSC
            • CodeArts Artifact
            • CodeArts Build
            • CodeArts Check
            • CodeArts Deploy
            • CodeArts Req
            • CodeArts Pipeline
            • CodeArts Repo
            • CodeArts TestPlan
            • CodeArts IDE Online
            • CodeArts PerfTest
          • SaaS Applications
            • GitHub
            • WordPress
            • SAP
            • Jira Software
            • WeCom
            • DingTalk
            • Tencent Questionnaire
            • WJX Questionnaire
            • Polarion
          • Emails
            • QQ Mail
            • 163 Mail
            • SMTP Mail
          • Others
            • FTP
          • Message Systems
            • ActiveMQ
            • ArtemisMQ
            • IBM MQ
            • Kafka
          • Custom Connectors
            • OpenAPI
        • Processors
          • Conditions
          • Parallel Processor
          • Delay
          • EDI Processor
          • Variable Assignment
          • Variable Updater
          • Sorter
          • Data Conversion
          • Splitter
          • Filter
          • Script
          • Message Logger
          • Data Mapper
          • Iterator
          • Error Monitoring
          • End
          • Symmetric Encrypt/Decrypt
          • Asymmetric Encrypt/Decrypt
          • XML Verification
        • Debugging a Task Flow Online
        • Asset Catalog
        • Related Concepts
        • Appendix
          • Accessing the Internet from an Instance
          • Parameters
      • Best Practices
        • ROMA Connect Best Practices
        • Digitalizing the Traditional Parking Lot Management System
          • Solution Overview
          • Registering a Device on ROMA Connect
          • Configuring MQS for Device Data Forwarding
          • Creating an MQS-to-Database Integration Task
          • Creating and Opening a Data API
          • Connecting the Device to ROMA Connect
        • Sharing Enterprise Data Using APIs
          • Solution Overview
          • Opening Data Through Data APIs
          • Opening Data Through Function APIs
        • Integrating and Converting Service Data Across Systems
          • Solution Overview
          • Configuring Data Integration Between Systems
        • Building an Enterprise Service Open Platform
          • Solution Overview
          • Configuring the Service Opening Platform
        • Developing a Custom Authorizer with a Custom Backend
          • Solution Overview
          • Developing a Custom Authorizer
          • Using a Custom Authorizer
        • Avoiding MQS Message Accumulation
        • Synchronizing Data from MySQL to Oracle as Scheduled
          • Solution Overview
          • Resource Planning
          • Creating a MySQL Connector
          • Creating an Oracle Connector
          • Creating a Composite Application with a Template
          • Verifying Data Synchronization
        • ROMA Connect Security Best Practices
      • Developer Guide
        • Developer Guide for Data Integration
          • Overview
            • Scenarios
            • Specifications
          • RESTful API Specifications of Connectors
          • (Example) Developing a Custom Data Source for a Scheduled Task
          • (Example) Developing a Custom Data Source for a Real-Time Task
        • Developer Guide for Service Integration
          • Overview
            • Scenarios
            • Specifications
          • Developing API Calling Authentication (App)
            • Preparations
            • App Authentication Principles
            • Java
            • Go
            • Python
            • C#
            • JavaScript
            • PHP
            • C++
            • C
            • Android
            • curl
          • Developing API Calling Authentication (IAM)
            • Token Authentication
            • AK/SK Authentication
          • Developing Custom Function Backends
            • Overview
            • AesUtils
            • APIConnectResponse
            • Base64Utils
            • CacheUtils
            • CipherUtils
            • ConnectionConfig
            • DataSourceClient
            • DataSourceConfig
            • ExchangeConfig
            • HttpClient
            • HttpConfig
            • JedisConfig
            • JSON2XMLHelper
            • JSONHelper
            • JsonUtils
            • JWTUtils
            • KafkaConsumer
            • KafkaProducer
            • KafkaConfig
            • MD5Encoder
            • Md5Utils
            • QueueConfig
            • RabbitMqConfig
            • RabbitMqProducer
            • RedisClient
            • RomaWebConfig
            • RSAUtils
            • SapRfcClient
            • SapRfcConfig
            • SoapClient
            • SoapConfig
            • StringUtils
            • TextUtils
            • XmlUtils
          • Developing Custom Data Backends
            • SQL Syntax
            • Calling a Stored Procedure
            • Orchestrating Data Sources
            • Using Optional Parameters
          • Developing Signature Verification for Backend Services
            • Preparations
            • Java
            • Python
            • C#
        • Developer Guide for Message Integration
          • Overview
            • Scenarios
            • Specifications
            • Recommendations for Client Usage
            • Setting Parameters for Clients
          • Preparations
          • Configuring MQS Connection (Open-Source Client)
            • Configuring a Kafka Client in Java
            • Configuring a Kafka Client in Python
            • Configuring a Kafka Client in Go
            • Configuring a Client in C#
            • Configuring Kafka Clients in Other Languages
            • Appendix: Methods for Improving the Message Processing Efficiency
            • Appendix: Restrictions on Spring Kafka Interconnection
          • Configuring MQS Connection (RESTful API)
            • Using Java Demo
            • Message Production API
            • Message Consumption API
            • Message Retrieval Confirmation API
        • Developer Guide for Device Integration
          • Overview
            • Scenarios
            • Specifications
          • Preparations
          • Configuring Device Integration
          • MQTT Topic Specifications
            • Before You Start
            • Gateway Login
            • Adding a Gateway Subdevice
            • Response for Adding a Gateway Subdevice
            • Updating the Gateway Subdevice Status
            • Response for Updating the Gateway Subdevice Status
            • Deleting a Gateway Subdevice
            • Querying Gateway Child Device Information
            • Response for Querying Gateway Child Device Information
            • Delivering a Command to a Device
            • Response for Delivering a Command to a Device
            • Reporting Device Data
      • API Reference
        • Before You Start
        • API Overview
        • Calling APIs
          • Making an API Request
          • Authentication
          • Responses
        • Public Resource APIs
          • Application Management
            • Verifying the Existence of an Application
            • Querying Applications
            • Creating an Application
            • Querying Application Details
            • Updating an Application
            • Deleting an Application
            • Querying an Application Secret
            • Resetting an Application Secret
            • Querying Application Members
            • Setting Application Members
            • Querying Candidate Members
          • Asset Management
            • Downloading an Asset Package
            • Exporting Assets in Batches
            • Importing Assets
            • Obtaining Job Progress
            • Deleting Assets in Batches
          • Dictionary Management
            • Verifying the Existence of a Dictionary
            • Querying Dictionaries
            • Creating a Dictionary
            • Querying Dictionary Details
            • Updating a Dictionary
            • Deleting a Dictionary
          • Public Management
            • Obtaining Service API Versions
            • Obtaining the API Version of a Given Version ID
          • Instance Management
            • Querying instance list
            • GetInstanceConnectionStatistic
        • Data Integration APIs
          • Data Source Management
            • Creating Data Sources
            • Querying Data Sources
            • Querying a Specified Data Source
            • Modifying Data Sources
            • Deleting a Specified Data Source
            • Obtaining All Tables in the Data Source
            • Obtaining All Fields in a Table in the Data Source
            • Testing Data Source Connectivity
            • Testing SQL
          • Task Management
            • Creating a Common Task
            • Querying a Task List
            • Querying Task Status Statistics
            • Updating a Common Task
            • Querying Information About a Specified Task
            • Deleting a Task
            • Manually Triggering a Single Task
            • Manually Stopping the Current Task
            • Creating a Schedule
            • Querying a Schedule
            • Modifying a Scheduling
            • Starting or Stopping Tasks in Batches
            • Creating a Composite Task
            • Initializing a Composite Task
            • Modifying a Combined Task
            • Resetting the Progress of the Combined Task
            • Creating Combined Task Mappings
            • Querying Mappings of Combined Tasks
            • Modifying Combined Task Mappings
            • Deleting the Specified Task Mapping
            • Automatically Mapping Composite Task Data
          • Task Monitoring and Management
            • Querying the Task Monitoring Information List
            • Querying the Log Details of a Single Task
          • Task Monitoring
            • Querying Scheduling Log Details
            • Querying Schedule Information About a Specified Task
        • Service Integration APIs
          • API Group Management
            • Creating an API Group
            • Modifying an API Group
            • Deleting an API Group
            • Querying Details of an API Group
            • Querying API Groups
            • Verifying an API Group Name
          • API Management
            • Creating an API
            • Modifying an API
            • Deleting an API
            • Publishing an API or Taking an API Offline
            • Querying Details of an API
            • Querying APIs
            • Publishing APIs or Taking APIs Offline in Batches
            • Debugging an API
            • Switching API Versions
            • Querying Details of an API Version
            • Taking an API Version Offline
            • Querying Historical Versions of an API
            • Querying the Runtime Definition of an API
            • Verifying the API Definition
          • Environment Management
            • Creating an Environment
            • Modifying an Environment
            • Deleting an Environment
            • Querying Environments
          • Environment Variable Management
            • Creating an Environment Variable
            • Deleting an Environment Variable
            • Querying Details of an Environment Variable
            • Querying Environment Variables
            • Modifying an Environment Variable
          • Domain Name Management
            • Binding a Domain Name
            • Adding a Certificate to a Domain Name
            • Modifying a Domain Name
            • Unbinding a Domain Name
            • Deleting a Certificate Bound to a Domain Name
            • Querying Details of the Certificate Bound to a Domain Name
          • Request Throttling Policy Management
            • Creating a Request Throttling Policy
            • Modifying a Request Throttling Policy
            • Deleting a Request Throttling Policy
            • Querying Request Throttling Policies
            • Querying Details of a Request Throttling Policy
          • Binding a Request Throttling Policy to an API
            • Binding a Request Throttling Policy
            • Unbinding a Request Throttling Policy
            • Querying APIs Bound with a Request Throttling Policy
            • Querying APIs Not Bound with a Request Throttling Policy
            • Querying Request Throttling Policies Bound to an API
            • Unbinding Request Throttling Policies
          • Excluded Request Throttling Configuration
            • Creating an Excluded Request Throttling Configuration
            • Modifying an Excluded Request Throttling Configuration
            • Deleting an Excluded Request Throttling Configuration
            • Querying Excluded Request Throttling Configurations
          • Signature Key Management
            • Creating a Signature Key
            • Modifying a Signature Key
            • Deleting a Signature Key
            • Querying Signature Keys
          • Binding Signature Keys
            • Binding a Signature Key
            • Unbinding a Signature Key
            • Querying Signature Keys Bound to an API
            • Querying APIs Not Bound with a Signature Key
            • Querying APIs Bound with a Signature Key
          • Access Control Policy Management
            • Creating an Access Control Policy
            • Modifying an Access Control Policy
            • Deleting an Access Control Policy
            • Deleting Multiple Access Control Policies
            • Querying Details of an Access Control Policy
            • Querying Access Control Policies
          • Binding Access Control Policies
            • Binding an Access Control Policy to an API
            • Unbinding an Access Control Policy from an API
            • Unbinding Multiple Access Control Policies from APIs
            • Querying APIs Bound with an Access Control Policy
            • Querying APIs Not Bound with an Access Control Policy
            • Querying Access Control Policies Bound to an API
          • API Import and Export
            • Exporting APIs
            • Importing APIs
            • Exporting Custom Backend APIs
            • Importing Custom Backend APIs
          • VPC Channel Management
            • Creating a VPC Channel
            • Modifying a VPC Channel
            • Deleting a VPC Channel
            • Querying Details of a VPC Channel
            • Querying VPC Channels
            • Adding or Updating Backend Instances
            • Querying Backend Servers of a VPC Channel
            • Updating Backend Instances
            • Deleting a Backend Server
            • Enabling Backend Servers in Batches
            • Disabling Backend Servers in Batches
            • Modifying VPC Channel Health Checks
            • Adding a Backend Server Group to a VPC Channel
            • Querying the List of Backend Cloud Service Groups of a VPC Channel
            • Viewing Details About a Backend Server Group of a VPC Channel
            • Deleting a VPC Backend Server Group
            • Modifying a Backend Server Group of a VPC Channel
          • Credential Management
            • Querying Apps
            • Checking Credential Details
            • Creating an AppCode
            • Generating an AppCode
            • Querying AppCodes of an App
            • Querying Details of an AppCode
            • Deleting an AppCode
            • Querying Quotas Associated with a Credential
            • Configuring Access Control Settings for a Credential
            • Querying Details About App Access Control
            • Removing Access Control for a Credential
          • Credential Quota Management
            • Creating a Credential Quota
            • Modifying a Credential Quota
            • Deleting a Credential Quota
            • This API is used to query credential quota details.
            • Querying Credential Quotas
            • Binding a Credential Quota with Credentials
            • Unbinding a Credential Quota from a Credential
            • Querying the Credentials Bound to a Specified Quota
            • Querying Credentials That Can Be Bound to a Credential Quota
          • Credential Authorization Management
            • Credential Authorization
            • Canceling Authorization
            • Querying APIs Bound with an App
            • Querying APIs Not Bound with an App
            • Querying APIs with Path Conflicts in an App
            • Querying Apps Bound to an API
          • Custom Backend Management
            • Creating a Backend API
            • Modifying a Backend API
            • Deleting a Backend API
            • Querying Details of a Backend API
            • Querying Backend APIs
            • Creating a Backend API Script
            • Testing a Backend API
            • Querying the Backend API Test Result
            • Deploying a Backend API
            • Querying the Deployment History of a Backend API
            • Canceling Deployment of a Backend API
            • Verifying the Definition of a Custom Backend API
            • Querying the Quota of a Custom Backend Service
            • Querying Data Sources of a Custom Backend Service
          • Custom Authorizer Management
            • Creating a Custom Authorizer
            • Modifying a Custom Authorizer
            • Deleting a Custom Authorizer
            • Querying Details of a Custom Authorizer
            • Querying Custom Authorizers
          • Querying Metrics
            • Querying API Calls Within a Period
            • Querying API Metric Statistics
            • Querying Statistics of Application Metrics by Integration Application
            • Querying Top N Metrics of Difference Application Requests
            • Querying Statistics on Application Request Metrics
            • Querying Top N Metrics of All Integration Applications
          • Instance Management
            • Viewing Restrictions on a Instance
            • Querying Instance Details
          • Instance Feature Management
            • Querying Instance Features
            • Configuring a Feature for an Instance
          • Tag Management
            • Querying Tags
          • Configuration Management
            • Querying Resource Configurations of an Instance
          • Application Configuration Management
            • Creating an Application Configuration
            • Modifying an Application Configuration
            • Deleting an Application Configuration
            • Querying Details of an Application Configuration
            • Querying Application Configurations
          • VPC Channel Management - Project-Level
            • Querying the VPC Channel List of All Instances in a Project
            • Creating a VPC Channel in a Project
            • Modifying VPC Channels in Batches Under a Project
            • Synchronizing VPC Channels in a Project
          • SSL Certificate Management
            • Obtaining SSL Certificates
            • Create an SSL certificate.
            • Binding a Domain Name to an SSL Certificate
            • Unbinding a Domain Name from an SSL Certificate
            • Viewing Certificate Details
            • Deleting an SSL Certificate
            • Modifying an SSL certificate
            • Binding an SSL Certificate with a Domain Name
            • Unbinding an SSL Certificate from a Domain Name
            • Obtaining Domain Names Bound to an SSL Certificate
          • Plug-in Management
            • Creating a Plug-in
            • Modifying a Plug-in
            • Deleting a Plug-in
            • Querying a Plug-in
            • Querying Plug-in Details
            • Binding a Plug-in to an API
            • Binding a Plug-in to an API
            • Unbinding a Plug-in from an API
            • Unbinding a Plug-in from an API
            • Querying APIs Bound with a Plug-in
            • Querying Plug-ins bound to an API
            • Querying APIs that Can Be Bound to a Plug-in
            • Querying Plug-ins that Can Be Bound to the Current API
          • Orchestration Rule Management
            • Creating an Orchestration Rule
            • Viewing Orchestration Rules
            • Querying Rule Details
            • Updating an Orchestration Rule
            • Deleting an Orchestration Rule
            • Querying APIs to Which an Orchestration Rule Is Bound
        • Message Integration APIs
          • MQS Instance Management
            • Querying MQS Instances
            • Querying MQS Instance Details
          • Topic Management
            • Querying Topics
            • Creating a Topic
            • Modifying a Topic
            • Deleting Topics
            • Deleting Topics in Batches
            • Importing Topics
            • Exporting Topics
            • Download a Certificate
            • Querying the Disk Usage Status of Topics
          • Application Permission Management
            • Updating a Topic Permission
            • Querying a Topic Permission
            • Adding Topic Permissions
          • Message Management
            • Querying Messages
            • Retransmitting a Message
          • Consumer Group Management
            • Querying a Consumer Group
            • Querying All Consumer Groups
            • Resetting Consumer Group Offset to the Specified Position
            • Deleting Multiple Consumer Groups
        • Device Integration APIs
          • Device Group Management
            • Creating a Device Group
            • Querying All Device Groups
            • Deleting a Device Group
            • Querying Device Group Details
            • Modifying a Device Group
            • Adding Devices to a Device Group in Batches
            • Deleting Devices from a Device Group
            • Batch Deleting Devices from a Device Group
          • Device Management
            • Creating a Device
            • Querying Devices
            • Bringing Multiple Devices Offline
            • Deleting a Device
            • Querying Device Details
            • Modifying a Device
            • Querying Device Topics
            • Adding a Subdevice to the Gateway
            • Querying Subdevices
            • Querying a Device Shadow
            • Resetting Device Authentication Information
            • Querying Device Authentication Information
            • Sending Commands
            • Custom Command Delivery Devices
            • Exporting Devices
          • Service Management
            • Creating a Service
            • Querying Services
            • Deleting a Service
            • Querying Service Details
            • Modifying a Service
            • Creating an Attribute
            • Querying Attributes
            • Creating a Command
            • Querying Commands
            • Deleting a Command
            • Querying Command Details
            • Modifying a Command
            • Creating a Request Attribute
            • Querying Request Attributes
            • Deleting a Request Attribute
            • Modifying a Request Attribute
            • Creating a Response Attribute
            • Querying Response Attributes
            • Deleting a Response Attribute
            • Querying Response Attributes
            • Modifying a Response Attribute
          • Rule Engine
            • Creating a Rule
            • Querying Rules
            • Deleting Rules in Batches
            • Debugging a Rule
            • Deleting a Rule
            • Querying Rule Details
            • Modifying a Rule
            • Creating a Destination
            • Querying Destinations
            • Deleting a Destination
            • Creating a Source
            • Querying Sources
            • Deleting a Source
          • Subscription Management
            • Creating a Subscription
            • Querying Information About a Subscription Management Task
            • Modifying a Subscription
            • Deleting a Subscription
          • Product Template Management
            • Creating a Product Template
            • Querying Product Templates
            • Deleting a Product Template
            • Modifying a Product Template
          • Product Management
            • Creating a Product
            • Querying Products
            • Querying the Number of Devices in a Product
            • Deleting a Product
            • Querying Product Details
            • Modifying Product Information
            • Adding a Product Topic
            • Querying Product Topics
            • Deleting a Product Topic
            • Modifying a Product Topic
            • Resetting Product Authentication Information
            • Querying Product Authentication Information
            • Importing Products
            • Exporting Products
        • Example Applications
          • Open Service System Data
            • Overview
            • Configuration Example
        • Permissions Policies and Supported Actions
          • Permissions and Supported Actions
          • Public Resource Permissions
          • Data Integration Permissions
          • Device Integration Permissions
        • Appendix
          • Obtaining a Project ID
          • Obtaining the Account ID
          • Status Codes
          • Error Codes
            • Error Codes of Public Resource APIs
            • Error Codes of Data Integration APIs
            • Error Codes of Service Integration APIs
            • Error Codes of Message Integration APIs
            • Error Codes of Device Integration APIs
          • APIC Features Supported by ROMA Connect Instances
          • Data Integration Parameter Description
            • RawFormDataRequest
            • RawFormDataResponse
          • Obtaining a Data Source Configuration File
            • MRS Hive
            • MRS HDFS
            • MRS HBase
            • MRS Kafka
        • Out-of-Date APIs
          • APIC APIs (V1)
            • API Group Management (V1)
              • Creating an API Group
              • Modifying an API Group
              • Deleting an API Group
              • Querying Details of an API Group
              • Querying API Groups
            • API Management (V1)
              • Creating an API
              • Modifying an API
              • Deleting an API
              • Querying Details of an API
              • Querying APIs
              • Deleting APIs
              • Publishing APIs or Taking APIs Offline in Batches
              • Debugging an API
            • Custom Backend Management (V1)
              • Querying Backend APIs
              • Creating a Backend API
              • Querying Details of a Backend API
              • Modifying a Backend API
              • Deleting a Backend API
              • Querying the Backend API Test Result
              • Querying the Deployment History of a Backend API
              • Deploying a Backend API
              • Testing a Backend API
              • Canceling Deployment of a Backend API
              • Creating a Backend API Script
            • Application Authorization Management (V1)
              • Authorizing Apps
              • Canceling Authorization
              • Querying APIs Bound with an App
              • Querying APIs Not Bound with an App
              • Querying Apps Bound to an API
            • Custom Authorizer Management (V1)
              • Creating a Custom Authorizer
              • Modifying a Custom Authorizer
              • Deleting a Custom Authorizer
              • Querying Details of a Custom Authorizer
              • Querying Custom Authorizers
          • Device Integration APIs (V1)
            • Product Management
              • Creating a Product
              • Querying Products
            • Device Management
              • Creating a Device
              • Creating a Custom Topic for a Device
              • Querying Devices
              • Querying Device Topics
              • Querying Instance Information
            • Rule Engine
              • Creating a Rule Engine Source
              • Creating a Rule Engine Destination
        • Change History
      • SDK Reference
        • SDK Overview
      • FAQs
        • Instance Management
          1. Region and AZ
          2. Why Can't I View the Subnet and Security Group Information When Creating an Instance?
          3. Can I Modify the VPC and Subnet After an Instance Is Created?
          4. Does ROMA Connect Support Access from Another VPC/Subnet?
          5. Why Do Different Users View Different Data of the Same Instance?
        • Data Integration
          • Common Data Integration Tasks
            1. Which Types of Data Are Supported by FDI Databases?
            2. What Is a Trace Number? Can Data Be Traced by Using a Trace Number?
            3. Can I Clear the Destination Tables of an FDI Task?
            4. Can a Task Collect Data from One Table to Another Table?
            5. Is the FDI Task Created by One User Visible to Another User Under the Same Account?
            6. How Do I Configure FDI to Connect to MRS Hive of Other Tenants Through a Public Network?
            7. Will Collected Data Be Updated After a File Is Parsed from OBS to the RDS Database?
            8. Why Are the Column Values Incorrect When the CSV File on the Source OBS Is Parsed to the Relational Database?
            9. Can Data Be Integrated into the Destination When the Data Types of Source and Destination Fields of MRS Hive Do Not Match?
            10. Is the Mapping Between MRS Hive or MRS HBase and MongoDB Case-sensitive When It Is Manually Entered?
            11. Does MRS Hive Support Partitioning?
            12. How Do I Set the Custom Period for the API Data Source at the Source?
            13. Does SAP Support Reading Views by Page?
          • Composite Data Integration Tasks
            1. How Do Source Database Restarts Affect Composite Tasks?
            2. How Do I Handle an Exception of the CDC Function (Using the XStream Mode) Caused by Unexpected Oracle Database Restart?
        • Service Integration
          1. Does APIC Support Multiple Backend Endpoints?
          2. How Do I Perform App Authentication in iOS System?
          3. How Can I Ensure the Security of Backend Services Invoked by APIC?
          4. Do I Need to Publish an API Again After Modification?
          5. What Can I Do If an API Published in a Non-RELEASE Environment Is Inaccessible?
          6. Can I Invoke Different Backend Services by Publishing an API in Different Environments?
          7. Can Applications Deployed in a VPC Call APIs?
          8. What Is the Maximum Size of an API Request Packet?
          9. Can I Modify a Deployed Custom Backend?
          10. How Does APIC Throttle Requests?
          11. What Are the Causes of an API Calling Failure?
        • Message Integration
          1. Is There a Maximum Length of Messages Produced to a Topic?
          2. What Kafka Server Versions Does MQS Support?
        • Device Integration
          1. What Communication Protocols Are Supported by LINK?
          2. Why Can't My Device Be Connected to LINK?
          3. Why Does the Rule Engine Data Destination Fail to Receive Messages Sent by a Device?
      • Troubleshooting
        • Common Data Integration Tasks
          • Garbled Characters Are Displayed When Data Is Written to MRS Hive at the Destination
          • All Data Is Written to the First Field of MRS Hive
          • An Error Message Is Displayed at the Destination Indicating Task Execution Times Out
          • Error Message "could only be written to 0 of the 1 minReplication nodes. There are 2 datanode(s) running and 2 node(s) are excluded in this operation" Is Reported at the Destination During Data Integration from MySQL to MRS Hive
          • Error Message "Illegal mix of collations for operation 'UNION'" Is Displayed at the Source Database During MySQL-to-MySQL Data Integration
          • Data May Be Lost When Incremental Data Collection Is Performed from the Source MySQL on an Hourly Basis
          • Error Message "401 unauthorized" Is Displayed at the Source During API-to-MySQL Data Integration
          • Error Message "cannot find record mapping field" Is Displayed at the Destination During Kafka-to-MySQL Data Integration
          • Error Message "connect timeout" Is Displayed at the Source During Scheduled API-to-MySQL Data Integration
          • FDI Fails to Obtain Data During Real-Time Kafka-to-MySQL Data Integration Although Data Exists in MQS Topics
          • Value of the Source Field of the tinyint(1) Type Is Changed from 2 to 1 at the Destination During Scheduled MySQL-to-MySQL Data Integration
          • "The task executes failed.Writer data to kafka failed" Is Reported When the Kafka Destination Is Used over the Public Network
        • Composite Data Integration Tasks
          • Data Fails to Be Written Because the RowId Field Type Is Incorrectly Configured in the Destination Table
          • Error Message "binlog probably contains events generated with statement or mixed based replication forma" Is Displayed When the Binlog of the MySQL Database Is Read
          • Data Still Fails to Be Written After an FDI Task Failure Is Rectified
          • Camel Fails to Access the Database Because Table Names Contain Garbled Characters
          • Inserted Data Violates the Non-null Constraint
          • FDI Task Fails to Be Executed Because DWS Changes to the Read-only State
          • Data Write to DWS Becomes Slower
        • Data Sources
          • Data Source Connection Failed
          • MRS Hive Data Source Connection Failed
          • FTP Data Source Connection Failed
          • OBS Data Source Connection Failed
          • Kafka Data Source Connection Failed
        • Service Integration
          • Backend Service Fails to Be Invoked
          • Error Message "No backend available" Is Displayed When an API Is Called
          • Error Message "The API does not exist or has not been published in an environment" Is Displayed When an API Is Called Using JavaScript
          • Common Errors Related to IAM Authentication Information
          • A Message Is Displayed Indicating that the Certificate Chain Is Incomplete When You Add a Certificate
        • Device Integration
          • Error Message "java.lang.IllegalArgumentException: {IP address}_{timestamp}" Is Displayed During Demo Running
          • Failed to Connect to ROMA Connect Using the MQTTBox Client
      • Videos
      • More Documents
        • User Guide (ME-Abu Dhabi Region)
          • Service Overview
            • What Is ROMA Connect?
            • Application Scenarios
              • Smart Campus Integration
              • Industrial Internet Integration
              • Application & Data Integration of Corporation Groups
            • Product Specifications
            • Resource Quotas
            • Constraints
            • Basic Concepts
            • Related Services
          • Getting Started
            • Overview
            • Using ROMA Connect for Data Integration
            • Using ROMA Connect for Service Integration
            • Using ROMA Connect for Message Integration
            • Using ROMA Connect for Device Integration
          • Getting Started
          • Instances
            • Creating a ROMA Connect Instance
              • Preparing Required Resources
              • Creating an Instance
            • Managing Instances
            • Instance Configuration Parameters
          • Integration Application Management
            • Creating an Integration Application
            • Configuring Integration Application Authorization
          • Data Integration Guide
            • Usage Introduction
            • Connecting to Data Sources
            • Creating a Data Integration Task
              • Configuring Basic Information
              • Configuring Source Information
              • Configuring Destination Information
              • Configuring a Data Mapping Rule
              • (Optional) Configuring Fault Information Storage
              • (Optional) Configuring the Post-Integration Operation
            • Creating a Composite Data Integration Task
              • Configuring Oracle CDC (LogMiner)
              • Configuring Oracle CDC (XStream)
              • Configuring MySQL CDC (Binlog)
              • Configuring SQL Server CDC
              • Creating a Composite Task
            • Starting or Stopping a Data Integration Task
            • Managing a Data Integration Task
              • Viewing Data Integration Tasks
              • Importing or Exporting Data Integration Tasks
          • Service Integration Guide
            • Usage Introduction
            • Exposing APIs
              • Creating an API Group
              • Binding Domain Names
              • (Optional) Creating a Load Balance Channel
              • Creating an API
              • Debugging an API
              • (Optional) Creating the Environment and Environment Variables
              • Publishing an API
              • (Optional) Authorizing Apps to Call an API
            • Creating and Exposing Data APIs
              • Connecting to Data Sources
              • Creating a Data API
              • (Optional) Authorizing Apps to Call an API
            • Creating and Exposing Function APIs
              • Creating a Function API
              • (Optional) Authorizing Apps to Call an API
            • Calling an API
              • Calling an Open API
              • Configuring CORS for APIs
              • Appendix: API Error Codes
            • API Management
              • Viewing API Calling Information
              • Taking an API Offline
              • Taking a Custom Backend Offline
              • Importing and Exporting APIs
              • Importing and Exporting Custom Backends
              • Appendix: Extended Swagger Definition of APIs
              • Appendix: Extended Definition of Swagger for Custom Backends
            • Control Policy Management
              • Configuring a Request Throttling Policy
              • Configuring an Access Control Policy
              • Configuring a Client Quota Policy
              • Configuring a Client Access Control Policy
            • Configuring a Custom Authorizer
              • Creating a Frontend Custom Authorizer
              • Creating a Backend Custom Authorizer
            • Configuring Signature Verification for Backend Services
            • Configuring API Cascading
          • Message Integration Guide
            • Usage Introduction
            • Creating a Topic
            • (Optional) Granting Permissions for Topics
            • Connecting to a Topic
            • Topic Management
              • Querying Topic Messages
              • Importing and Exporting Topics
          • Device Integration Guide
            • Usage Introduction
            • Creating a Product
            • Registering a Device
            • Connecting Devices to ROMA Connect
            • Product Management
              • Viewing Products
              • Importing and Exporting Products
              • Creating a Product Template
            • Device Management
              • Viewing Devices
              • Importing and Exporting Devices
              • Creating a Device Group
              • Appendix: EdgeShell Access Description
            • Rule Engine
              • Configuring Data Forwarding Rules
              • Importing or Exporting Rules
            • Subscription Management
              • Subscribing to Device Notifications
              • Appendix: Packets of Subscribed Notification Messages
          • Data Source Management
            • Data Sources Supported by ROMA Connect
            • Connecting to an API Data Source
            • Connecting to an ActiveMQ Data Source
            • Connecting to an ArtemisMQ Data Source
            • Connecting to a DB2 Data Source
            • Connecting to a DIS Data Source
            • Connecting to a DWS Data Source
            • Connecting to a GaussDB 100 Data Source
            • Connecting to a GaussDB 200 Data Source
            • Connecting to an FTP Data Source
            • Connecting to an FI HDFS Data Source
            • Connecting to an FI Hive Data Source
            • Connecting to an FI Kafka Data Source
            • Connecting to an HL7 Data Source
            • Connecting to a HANA Data Source
            • Connecting to a HIVE Data Source
            • Connecting to an LDAP Data Source
            • Connecting to an IBM MQ Data Source
            • Connecting to a Kafka Data Source
            • Connecting to a MySQL Data Source
            • Connecting to a MongoDB Data Source
            • Connecting to an MRS Hive Data Source
            • Connecting to an MRS HDFS Data Source
            • Connecting to an MRS HBase Data Source
            • Connecting to an MRS Kafka Data Source
            • Connecting to an OBS Data Source
            • Connecting to an Oracle Data Source
            • Connecting to a PostgreSQL Data Source
            • Connecting to a Redis Data Source
            • Connecting to a RabbitMQ Data Source
            • Connecting to an SAP Data Source
            • Connecting to an SNMP Data Source
            • Connecting to a SQL Server Data Source
            • Connecting to a TaurusDB Data Source
            • Connecting to a WebSocket Data Source
            • Connecting to a Custom Data Source
          • Asset Management
            • Connectors
              • Creating a Connector
              • Publishing a Connector
              • RESTful API Specifications of Connectors
            • Restoring/Migrating Integration Assets
              • Overview
              • Preparations
              • Modifying Instance Configurations
              • Importing Integration Assets
              • Modifying Integration Application Configurations
              • Modifying Data Source Configurations
              • Modifying API Configurations
              • Modifying Device Configurations
              • Service Interconnection Adaptation and Verification
          • FAQs
            • Common Operations
              • Region and AZ
              • Can I Use an Existing VPC to Create an ROMA Connect Instance?
              • Does ROMA Connect Have Quota Limits?
            • Data Integration Tasks
              • Which Types of Data Are Supported by FDI Databases?
              • What Is a Trace Number? Can Data Be Traced by Using a Trace Number?
              • Does an FDI Task Support Clearance of a Destination Table?
              • Can a Task Collect Data from One Table to Another Table?
              • Is the FDI Task Created by One User Visible to Another User Under the Same Account?
              • How Do I Configure FDI to Connect to MRS Hive of Other Tenants Through a Public Network?
              • Will Collected Data Be Updated After a File Is Parsed from OBS to the RDS Database?
              • Why Are the Column Values Incorrect When the CSV File on the Source OBS Is Parsed to the Relational Database?
              • Can Data Be Integrated into the Destination When the Data Types of Source and Destination Fields of MRS Hive Do Not Match?
              • Is the Mapping Between MRS Hive or MRS HBase and MongoDB Case-sensitive When It Is Manually Entered?
              • Does MRS Hive Support Partitioning?
              • How Can I Configure the Time for Triggering a Scheduled Task of FDI?
              • How Do I Set the Custom Period for the API Data Source at the Source?
            • Composite Data Integration Tasks
              • How Do Source Database Restarts Affect Composite Tasks?
              • How Do I Handle an Exception of the CDC Function (Using the XStream Mode) Caused by Unexpected Oracle Database Restart?
            • Service Integration
              • Which Languages Does APIC Support for SDKs?
              • Does APIC Support Multiple Backend Endpoints?
              • Which Error Codes Will Be Displayed When I Use APIC?
              • How Can I Ensure the Security of Backend Services Invoked by APIC?
              • Do I Need to Publish an API Again After Modification?
              • What Can I Do If an API Published in a Non-RELEASE Environment Is Inaccessible?
              • Can I Invoke Different Backend Services by Publishing an API in Different Environments?
              • What Is the Maximum Size of an API Request Package?
              • Can I Modify an API After It Is Deployed on the Custom Backend?
              • How Does APIC Throttle Requests?
              • What Are the Causes of an API Calling Failure?
              • Can I Call an API If the API Is Not Bound to an EIP?
              • Which Data Sources Does APIC Support?
            • Message Integration
              • Does MQS Support Cross-VPC and Cross-Subnet Access?
              • Do MQS Instances Support Cross-Subnet Access?
              • How Do I Select and Configure a Security Group?
              • Can I Access an MQS Instance Through a Public Network?
              • Why Can't I View the Subnet and Security Group Information When Creating an MQS Instance?
            • Device Integration
              • Which Languages Does a LINK SDK Support?
              • Which Communication Protocols Are Supported by LINK?
              • Why Can't My Device Be Connected to LINK?
              • Why Does the Data Destination of a Rule Engine Fail to Receive Messages from My Device After It Is Connected to LINK?
          • Troubleshooting
            • Common Data Integration Tasks
              • Garbled Characters Are Displayed When Data Is Written to MRS Hive at the Destination
              • All Data Is Written to the First Field of MRS Hive
              • An Error Message Is Displayed at the Destination Indicating Task Execution Times Out
              • Error Message "could only be written to 0 of the 1 minReplication nodes. There are 2 datanode(s) running and 2 node(s) are excluded in this operation" Is Reported at the Destination During Data Integration from MySQL to MRS Hive
              • Error Message "Illegal mix of collations for operation 'UNION'" Is Displayed at the Source Database During MySQL-to-MySQL Data Integration
              • Data May Be Lost When Incremental Data Collection Is Performed from the Source MySQL on an Hourly Basis
              • Error Message "401 unauthorized" Is Displayed at the Source During API-to-MySQL Data Integration
              • Error Message "cannot find record mapping field" Is Displayed at the Destination During Kafka-to-MySQL Data Integration
              • Error Message "connect timeout" Is Displayed at the Source During Scheduled API-to-MySQL Data Integration
              • FDI Fails to Obtain Data During Real-Time Kafka-to-MySQL Data Integration Although Data Exists in MQS Topics
              • Value of the Source Field of the tinyint(1) Type Is Changed from 2 to 1 at the Destination During Scheduled MySQL-to-MySQL Data Integration
            • Composite Data Integration Tasks
              • Data Fails to Be Written Because the RowId Field Type Is Incorrectly Configured in the Destination Table
              • Error Message "binlog probably contains events generated with statement or mixed based replication forma" Is Displayed When the Binlog of the MySQL Database Is Read
              • Data Still Fails to Be Written After an FDI Task Failure Is Rectified
              • Camel Fails to Access the Database Because Table Names Contain Garbled Characters
              • Inserted Data Violates the Non-null Constraint
              • FDI Task Fails to Be Executed Because DWS Changes to the read-only State
              • Speed of Writing Data to DWS Becomes Slower
            • Data Sources
              • Troubleshooting a Data Source Connection Test Failure
              • MRS Hive Data Source Connection Failed
              • FTP Data Source Connection Failed
              • OBS Data Source Connection Failed
              • Kafka Data Source Connection Failed
            • Service Integration
              • Backend Service Fails to Be Invoked
              • Error Message "No backend available" Is Displayed When an API Is Called
              • Error Message "The API does not exist or has not been published in an environment" Is Displayed When an API Is Called Using JavaScript
            • Device Integration
              • Error Message "java.lang.IllegalArgumentException: {IP address}_{timestamp}" Is Displayed During Demo Running
        • Developer Guide (ME-Abu Dhabi Region)
          • Developer Guide for Service Integration
            • How Do I Choose an Authentication Mode
            • Using App Authentication to Call APIs
              • Preparations
              • Java
              • Go
              • Python
              • C#
              • JavaScript
              • PHP
              • C++
              • C
              • Android
              • curl
              • Other Programming Languages
            • Using IAM Authentication to Call APIs
              • Token Authentication
              • AK/SK Authentication
            • Signing Backend Services
              • Java
              • Python
              • C#
            • Developing Function APIs
              • Function API Script Compilation Guide
              • APIConnectResponse
              • Base64Utils
              • CacheUtils
              • CipherUtils
              • ConnectionConfig
              • DataSourceClient
              • DataSourceConfig
              • ExchangeConfig
              • HttpClient
              • HttpConfig
              • JedisConfig
              • JSON2XMLHelper
              • JSONHelper
              • JsonUtils
              • JWTUtils
              • KafkaConsumer
              • KafkaProducer
              • KafkaConfig
              • MD5Encoder
              • Md5Utils
              • ObjectUtils
              • QueueConfig
              • RabbitMqConfig
              • RabbitMqProducer
              • RedisClient
              • RomaWebConfig
              • RSAUtils
              • SapRfcClient
              • SapRfcConfig
              • SoapClient
              • SoapConfig
              • StringUtils
              • TextUtils
              • XmlUtils
            • Developing Data API Statements
          • Developer Guide for Message Integration
            • Overview and Network Environment Preparation
            • Collecting Connection Information
            • Connecting to MQS in Client Mode
              • Recommendations for Client Usage
              • Setting Parameters for Clients
              • Setting Up the Java Development Environment
              • Configuring Kafka Clients in Java
              • Configuring Kafka Clients in Python
              • Configuring Kafka Clients in Other Languages
              • Appendix: Methods for Improving the Message Processing Efficiency
              • Appendix: Restrictions on Spring Kafka Interconnection
            • Connecting to MQS Using RESTful APIs
              • Java Demo Usage Instruction
              • Message Production API
              • Message Consumption API
              • Message Retrieval Confirmation API
          • Developer Guide for Device Integration
            • Device Integration Development
            • MQTT Topic Specifications
              • Before You Start
              • Gateway Login
              • Adding a Gateway Subdevice
              • Response for Adding a Gateway Subdevice
              • Updating the Gateway Subdevice Status
              • Response for Updating the Gateway Subdevice Status
              • Deleting a Gateway Subdevice
              • Querying Gateway Information
              • Response for Querying Gateway Information
              • Delivering a Command to a Device
              • Response for Delivering a Command to a Device
              • Reporting Device Data
        • API Reference (ME-Abu Dhabi Region)
          • Before You Start
            • Overview
            • API Calling
            • Endpoints
            • Notes and Constraints
            • Basic Concepts
          • Calling APIs
            • Making an API Request
            • Authentication
            • Responses
          • Public Resource APIs
            • Application Management
              • Verifying the Existence of an Application
              • Querying Applications
              • Creating an Application
              • Querying Application Details
              • Updating an Application
              • Deleting an Application
              • Querying an Application Secret
              • Resetting an Application Secret
              • Querying Application Members
              • Setting Application Members
              • Querying Candidate Members
            • Asset Management
              • Downloading an Asset Package
              • Exporting Assets in Batches
              • Importing Assets
              • Obtaining Job Progress
              • Deleting Assets in Batches
            • Dictionary Management
              • Verifying the Existence of a Dictionary
              • Querying Dictionaries
              • Creating a Dictionary
              • Querying Dictionary Details
              • Updating a Dictionary
              • Deleting a Dictionary
            • Public Management
              • Obtaining Service API Versions
              • Obtaining the API Version of a Given Version ID
          • APIC APIs
            • Instance Management
              • Querying Details of a ROMA Connect Instance
              • Viewing Restrictions on a ROMA Connect Instance.
            • API Group Management
              • Creating an API Group
              • Modifying an API Group
              • Deleting an API Group
              • Querying Details of an API Group
              • Querying API Groups
              • Verifying an API Group Name
            • API Management
              • Creating an API
              • Modifying an API
              • Deleting an API
              • Publishing an API or Taking an API Offline
              • Querying Details of an API
              • Querying APIs
              • Publishing APIs or Taking APIs Offline in Batches
              • Debugging an API
              • Switching API Versions
              • Querying Details of an API Version
              • Taking an API Version Offline
              • Querying Historical Versions of an API
              • Querying the Runtime Definition of an API
              • Verifying the API Definition
            • Environment Management
              • Creating an Environment
              • Modifying an Environment
              • Deleting an Environment
              • Querying Environments
            • Environment Variable Management
              • Creating an Environment Variable
              • Deleting an Environment Variable
              • Querying Details of an Environment Variable
              • Querying Environment Variables
              • Modifying an Environment Variable
            • Domain Name Management
              • Binding a Domain Name
              • Adding a Certificate to a Domain Name
              • Modifying a Domain Name
              • Unbinding a Domain Name
              • Deleting a Certificate Bound to a Domain Name
              • Querying Details of the Certificate Bound to a Domain Name
            • Request Throttling Policy Management
              • Creating a Request Throttling Policy
              • Modifying a Request Throttling Policy
              • Deleting a Request Throttling Policy
              • Querying Request Throttling Policies
              • Querying Details of a Request Throttling Policy
            • Binding/Unbinding Request Throttling Policies
              • Binding a Request Throttling Policy
              • Unbinding a Request Throttling Policy
              • Querying APIs Bound with a Request Throttling Policy
              • Querying APIs Not Bound with a Request Throttling Policy
              • Querying Request Throttling Policies Bound to an API
              • Unbinding Request Throttling Policies
            • Excluded Request Throttling Configuration
              • Creating an Excluded Request Throttling Configuration
              • Modifying an Excluded Request Throttling Configuration
              • Deleting an Excluded Request Throttling Configuration
              • Querying Excluded Request Throttling Configurations
            • Signature Key Management
              • Creating a Signature Key
              • Modifying a Signature Key
              • Deleting a Signature Key
              • Querying Signature Keys
            • Binding/Unbinding Signature Keys
              • Binding a Signature Key
              • Unbinding a Signature Key
              • Querying Signature Keys Bound to an API
              • Querying APIs Not Bound with a Signature Key
              • Querying APIs Bound with a Signature Key
            • Access Control Policy Management
              • Creating an Access Control Policy
              • Modifying an Access Control Policy
              • Deleting an Access Control Policy
              • Deleting Multiple Access Control Policies
              • Querying Details of an Access Control Policy
              • Querying Access Control Policies
            • Binding/Unbinding Access Control Policies
              • Binding an Access Control Policy to an API
              • Unbinding an Access Control Policy from an API
              • Unbinding Multiple Access Control Policies from APIs
              • Querying APIs Bound with an Access Control Policy
              • Querying APIs Not Bound with an Access Control Policy
              • Querying Access Control Policies Bound to an API
            • API Import and Export
              • Exporting APIs
              • Importing APIs
              • Exporting Custom Backend APIs
              • Importing Custom Backend APIs
            • VPC Channel Management
              • Creating a VPC Channel
              • Updating a VPC Channel
              • Deleting a VPC Channel
              • Querying Details of a VPC Channel
              • Querying VPC Channels
              • Adding Backend Servers
              • Querying Backend Servers of a VPC Channel
              • Deleting a Backend Server
            • Client Configuration
              • Querying Apps
              • Querying Details of an App
              • Creating an AppCode
              • Generating an AppCode
              • Querying AppCodes of an App
              • Querying Details of an AppCode
              • Deleting an AppCode
              • Querying Application Quotas Associated with an Application Quota
              • Configuring Access Control for an App
              • Querying Details About App Access Control
              • Deleting Access Control for an App
            • Client Quota
              • This API is used to create a client quota.
              • Modifying a Client Quota
              • Delete a Client Quota
              • Querying Details of a Client Quota
              • Querying Client Quotas
              • Binding Client Applications to a Client Quota
              • Unbinding Client Applications from a Client Quota
              • Querying Client Applications Bound to a Client Quota
              • Querying Client Applications Available for Being Bound to a Client Quota
            • App Authorization Management
              • Authorizing Apps
              • Canceling Authorization
              • Querying APIs Bound with an App
              • Querying APIs Not Bound with an App
              • Querying APIs with Path Conflicts in an App
              • Querying Apps Bound to an API
            • Custom Backend Management
              • Creating a Backend API
              • Modifying a Backend API
              • Deleting a Backend API
              • Querying Details of a Backend API
              • Querying Backend APIs
              • Creating a Backend API Script
              • Testing a Backend API
              • Querying the Backend API Test Result
              • Deploying a Backend API
              • Querying the Deployment History of a Backend API
              • Canceling Deployment of a Backend API
              • Verifying the Definition of a Custom Backend API
              • Querying the Quota of a Custom Backend Service
              • Querying Data Sources of a Custom Backend Service
            • Custom Authorizer Management
              • Creating a Custom Authorizer
              • Modifying a Custom Authorizer
              • Deleting a Custom Authorizer
              • Querying Details of a Custom Authorizer
              • Querying Custom Authorizers
            • Monitoring Information Query
              • Querying API Calls Within a Period
              • Querying API Metric Statistics
            • Instance Feature Management
              • Querying Instance Features
              • Configuring a Feature for an Instance
            • Tag Management
              • Querying Tags
            • Configuration Management
              • Querying Resource Configurations of an Instance
            • Application Configuration Management
              • Creating an Application Configuration
              • Modifying an Application Configuration
              • Deleting an Application Configuration
              • Querying Details of an Application Configuration
              • Querying Application Configurations
          • MQS APIs
            • MQS Instance Management
              • Querying MQS Instances
              • Querying MQS Instance Details
            • Topic Management
              • Querying Topics
              • Creating a Topic
              • Modifying a Topic
              • Deleting Topics in Batches
              • Deleting Topics in Batches
              • Importing Topics
              • Exporting Topics
            • Message Management
              • Querying a Message
              • Retransmitting a Message
            • Permission Management
              • Updating a Topic Permission
              • Querying a Topic Permission
          • Device Integration APIs
            • Device Group Management
              • Creating a Device Group
              • Querying All Device Groups
              • Deleting a Device Group
              • Querying Device Group Details
              • Modifying a Device Group
              • Adding Devices to a Device Group in Batches
              • Deleting Devices from a Device Group
            • Device Management
              • Creating a Device
              • Querying Devices
              • Bringing Devices Offline in Batches
              • Deleting a Device
              • Querying Device Details
              • Modifying a Device
              • Querying Device Topics
              • Adding a Subdevice to the Gateway
              • Querying Subdevices
              • Querying a Device Shadow
              • Resetting Device Authentication Information
              • Querying Device Authentication Information
              • Sending Commands
            • Product Template Management
              • Creating a Product Template
              • Querying Product Templates
              • Deleting a Product Template
              • Modifying a Product Template
            • Product Management
              • Creating a Product
              • Querying Products
              • Querying the Number of Devices in a Product
              • Deleting a Product
              • Querying Product Details
              • Modifying Product Information
              • Adding a Product Topic
              • Querying Product Topics
              • Deleting a Product Topic
              • Modifying a Product Topic
              • Resetting Product Authentication Information
              • Querying Product Authentication Information
              • Importing Products
              • Exporting Products
            • Rule Engine
              • Creating a Rule
              • Querying Rules
              • Deleting Rules in Batches
              • Debugging Rules
              • Deleting a Rule
              • Querying Rule Details
              • Modifying a Rule
              • Creating a Destination
              • Querying Destinations
              • Deleting a Destination
              • Creating a Source
              • Querying Sources
              • Deleting a Source
            • Service Management
              • Creating a Service
              • Querying Services
              • Deleting a Service
              • Querying Service Details
              • Modifying a Service
              • Creating an Attribute
              • Querying Attributes
              • Creating a Command
              • Querying Commands
              • Deleting a Command
              • Querying Command Details
              • Modifying a Command
              • Creating a Request Attribute
              • Querying Request Attributes
              • Deleting a Request Attribute
              • Modifying a Request Attribute
              • Creating a Response Attribute
              • Querying Response Attributes
              • Deleting a Response Attribute
              • Querying Response Attributes
              • Modifying a Response Attribute
          • Appendix
            • Obtaining a Project ID
            • Obtaining the Account ID
            • Status Codes
            • Error Codes
              • Error Codes of Public Resource APIs
              • Error Codes of Service Integration APIs
              • Error Codes of Message Integration APIs
              • Error Codes of Device Integration APIs
            • APIC Features Supported by ROMA Connect Instances
      • General Reference
        • Glossary
        • Service Level Agreement
        • White Papers
        • Endpoints
        • Permissions