We have seen JERR_WMGR_ENQDISCONT and RHM_IORES_BUSY errors (see details in Diagnostic Steps) for a journal of a queue. Since that time:
- the queue raised random errors when trying to publish to or consume from it
- at the end, queue statistics showed impossibly high queue depth (over 10g) - does not occur on MRG 2.3
- MRG Messaging (any version)
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