咨询队列管理器日志中非存在通道的AMQ9519错误原因

Absolutely, it’s totally possible to see errors referencing non-existent channels in queue manager logs—let’s break down the most likely causes and actionable checks for your scenario:

• Stale connection attempts from clients/remote queue managers
  Even if you’ve fully removed the channel, a client app, background service, or remote QM might still be configured to use A.B and keep trying to connect. To verify this:

  • Run DISPLAY CONN(*) TYPE(ALL) on your queue manager to spot pending or rejected connection requests tied to A.B.
  • Audit client configs (like .mqsc files, application settings) to make sure no old references to A.B are lingering.

• Typos in related channel configurations
  The error might not come from the missing channel itself, but a mistake in another channel’s setup. For example:

  • A sender channel could have an incorrect RCVCHANNEL value set to A.B, making it look for a non-existent receiving channel on the remote end.
  • Use DISPLAY CHANNEL(*) ALL to scan all sender/receiver, cluster, and transmission queue channels for accidental references to A.B.

• Automated tools/scripts triggering the error
  Third-party monitoring tools, automation scripts, or CI/CD pipelines might be hardcoding or iterating through channel names (including A.B) as part of routine checks. Look into:

  • System cron jobs, orchestration tools, or MQ monitoring plugins that could be probing for A.B.
  • Enabled audit logs to track the source IP/initiator of the connection attempts.

• Configuration cache or cluster sync delays
  In rare cases, the queue manager’s config cache might not have fully refreshed after deleting the channel. Try:

  • Issuing REFRESH QMGR TYPE(CONFIG) to force a config reload.
  • If it’s a cluster setup, confirm cluster config sync is complete across nodes with DISPLAY CLUSQMGR(*) STATUS.

• Old log entries being misinterpreted
  Double-check the timestamp of the AMQ9519 error to confirm it’s a new occurrence, not a leftover log from when A.B was still configured. If it’s an old entry, you can safely ignore it once you’ve confirmed no active connection attempts are happening.

If you’re still stuck, sharing details like your MQ version, whether it’s a clustered environment, and any recent configuration changes would help narrow things down further.

内容的提问来源于stack exchange，提问作者Rinak