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Message descriptor for response messages

When the broker sends a response message, all the fields of the message descriptor are set to their default values, except the following:

CorrelId

Set according to the Report options in the original command message. By default, this means that the CorrelId is set to the same value as the MsgId of the command message. This can be used to correlate commands with their responses.

Expiry

The same value as in the original command message received by the broker.

Format

Set to MQFMT_RF_HEADER.

MsgId

Set according to the Report options in the original command message. By default, this means that it is set to MQMI_NONE, so that the queue manager generates a unique value.

MsgType

Set to MQMT_REPLY.

Persistence

The same value as in the original command message.

Priority

The same value as in the original command message.

PutApplName

Set to the first 28 characters of the queue manager name.

PutApplType

Set to MQAT_QMGR.

Report

Set to zeroes.

Other context fields are set as if generated with MQPMO_PASS_IDENTITY_CONTEXT.

 

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