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Resolve

 

Use the MQSC command RESOLVE CHANNEL when messages are held in-doubt by a sender or server, for example because one end of the link has terminated, and there is no prospect of it recovering. The RESOLVE CHANNEL command accepts one of two parameters: BACKOUT or COMMIT. Backout restores messages to the transmission queue, while Commit discards them.

The channel program does not try to establish a session with a partner. Instead, it determines the logical unit of work identifier (LUWID) which represents the in-doubt messages. It then issues, as requested, either:

• BACKOUT to restore the messages to the transmission queue; or

• COMMIT to delete the messages from the transmission queue.

For the resolution to succeed:

• The channel must be inactive

• The channel must be in doubt

• The channel type must be sender or server

• A local channel definition must exist

• The local queue manager must be running

 

Parent topic:

Channel functions

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