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:
For the resolution to succeed:
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