Dequeue From Exception Queue Hangs Or Returns No Data

(Doc ID 1072790.1)

Last updated on NOVEMBER 30, 2010

Applies to:

Oracle Server - Enterprise Edition - Version: to - Release: 10.2 to 11.1
Information in this document applies to any platform.


When using DBMS_AQ.Dequeue to dequeue messages from an exception queue. The call consumes almost 99% of CPU time and records from the exception queue cannot be dequeued at all (hangs)

If the fix for unpublished defect 5457450 was installed, the call returns back to the caller, with no messages dequeued, if the mentioned fix was not installed, it hangs.


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