Message Service:BatchDeleteMessage

Authorization

By default, only Alibaba Cloud accounts can call this operation. RAM users can call this operation only after these RAM users are granted related permissions. The following table describes the authorization information of this operation. For more information, see Permission policies and examples.

Description

You can call this operation to delete multiple messages from a queue. A maximum of 16 messages can be deleted at a time. The receipt handle of each message that you want to delete must be included in the request.

We recommend that you use this operation in combination with the BatchReceiveMessage operation to improve efficiency. A request that is used to delete multiple messages includes multiple subrequests, and some subrequests may fail. The HTTP status code 204 is returned only if all subrequests succeed. If some subrequests fail, you must check the error message in each response.

Request

A request consists of the following parts:

• Request line

  DELETE /queues/$queueName/messages HTTP/1.1

• Operation-specific request headers

  None.

• Request body

  The request body is in the XML format. The receipt handle of each message that you want to delete must be included in the request.

Response

A response consists of the following parts:

• HTTP status code

  HTTP/1.1 204 NoContent

• Operation-specific response headers

  None.

• Response body

  None.

Examples

Sample requests

DELETE  /queues/$queueName/messages HTTP/1.1
Host: $AccountId.mns.cn-hangzhou.aliyuncs.com
Date: Wed, 28 May 2012 22:32:00 GMT
x-mns-version: 2015-06-06
Authorization: MNS 15B4D3461F177624206A:xQE0diMbLRepdf3YB+FIEXA****

<?xml version="1.0" encoding="UTF-8"?>
<ReceiptHandles xmlns="http://mns.aliyuncs.com/doc/v1/">
    <ReceiptHandle>1-ODU4OTkzNDU5My0xNDM1MTk3NjAwLTItNg==</ReceiptHandle>
    <ReceiptHandle>1-ODU4OTkzNDU5NC0xNDM1MTk3NjAwLTItNg==</ReceiptHandle>
    <ReceiptHandle>1-ODU4OTkzNDU5NS0xNDM1MTk3NjAwLTItNg==</ReceiptHandle>
</ReceiptHandles>            

Sample responses

• Sample success responses if all messages are deleted

      HTTP/1.1 204 No Content
      x-mns-request-id:512B2A634403E52B1956****
      x-mns-version: 2015-06-06                  

• Sample responses if some messages fail to be deleted

      HTTP/1.1 404
      Connection:close
      Content-Type=text/xml;charset=utf-8
      Content-Length:500
      x-mns-request-id:512B2A634403E52B1956****
      x-mns-version: 2015-06-06
  
      <?xml version="1.0" encoding="UTF-8"?>
      <Errors xmlns="http://mns.aliyuncs.com/doc/v1/">
      <Error>
          <ErrorCode>MessageNotExist</ErrorCode>
          <ErrorMessage>Message not exist.</ErrorMessage>
          <ReceiptHandle>1-ODU4OTkzNDU5My0xNDM1MTk3NjAwLTItNg==</ReceiptHandle>
      </Error>
      <Error>
          <ErrorCode>MessageNotExist</ErrorCode>
          <ErrorMessage>Message not exist.</ErrorMessage>
          <ReceiptHandle>1-ODU4OTkzNDU5NC0xNDM1MTk3NjAwLTItNg==</ReceiptHandle>
      </Error>
      </Errors>                    

Error codes