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ApsaraMQ for RocketMQ:CreateConsumerGroup

最終更新日:Nov 19, 2024

Creates a consumer group.

Operation description

Note API operations provided by Alibaba Cloud are used to manage and query resources of Alibaba Cloud services. We recommend that you integrate these API operations only in management systems. Do not use these API operations in the core system of messaging services. Otherwise, system risks may occur.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
rocketmq:CreateConsumerGroupcreate
*ConsumerGroup
acs:rocketmq:{#regionId}:{#accountId}:instance/{#InstanceId}/consumergroup/{#ConsumerGroupId}
    none
none

Request syntax

POST /instances/{instanceId}/consumerGroups/{consumerGroupId} HTTP/1.1

Request parameters

ParameterTypeRequiredDescriptionExample
instanceIdstringYes

The ID of the instance in which you want to create the consumer group.

rmq-cn-7e22ody****
consumerGroupIdstringYes

The ID of the consumer group. The ID is globally unique and is used to identify a consumer group.

The following limits are imposed on the ID:

  • Character limit: The ID can contain letters, digits, underscores (_), hyphens (-), and percent signs (%).
  • Length limit: The ID must be 1 to 60 characters in length.

For more information about strings that are reserved for the system, see Limits on parameters.

GID_test_groupId
bodyobjectNo

The request body.

remarkstringNo

The remarks on the consumer group.

This is the remark for test.
deliveryOrderTypestringYes

The message delivery order of the consumer group.

Valid values:

  • Concurrently: concurrent delivery
  • Orderly: ordered delivery
Concurrently
consumeRetryPolicyobjectYes

The consumption retry policy that you want to configure for the consumer group. For more information, see Consumption retry.

maxRetryTimesintegerNo

The maximum number of retries.

16
retryPolicystringYes

The retry policy. For more information, see Message retry.

Valid values:

  • FixedRetryPolicy: Failed messages are retried at a fixed interval.
  • DefaultRetryPolicy: Failed messages are retried at incremental intervals as the number of retries increases.
DefaultRetryPolicy
deadLetterTargetTopicstringNo

The dead-letter topic.

If a consumer still fails to consume a message after the message is retried for a specified number of times, the message is delivered to a dead-letter topic for subsequent business recovery or troubleshooting. For more information, see Consumption retry and dead-letter messages.

DLQ_mqtest

Response parameters

ParameterTypeDescriptionExample
object

The response object.

requestIdstring

The ID of the request. The system generates a unique ID for each request. You can troubleshoot issues based on the request ID.

AF9A8B10-C426-530F-A0DD-96320B39****
successboolean

Indicates whether the call is successful.

true
databoolean

The result data that is returned.

true
codestring

The error code.

InvalidConsumerGroupId
messagestring

The error message.

Parameter consumerGroupId is invalid.
httpStatusCodeinteger

The HTTP status code.

400
dynamicCodestring

The dynamic error code.

ConsumerGroupId
dynamicMessagestring

The dynamic error message.

consumerGroupId

Examples

Sample success responses

JSONformat

{
  "requestId": "AF9A8B10-C426-530F-A0DD-96320B39****",
  "success": true,
  "data": true,
  "code": "InvalidConsumerGroupId",
  "message": "Parameter consumerGroupId is invalid.",
  "httpStatusCode": 400,
  "dynamicCode": "ConsumerGroupId",
  "dynamicMessage": "consumerGroupId"
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2022-11-17The internal configuration of the API is changed, but the call is not affectedView Change Details