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Workflow WF_CONTROL queue getting 'library cache lock' causes Applications to hang (Doc ID 295016.1)

Last updated on FEBRUARY 01, 2022

Applies to:

Oracle Workflow - Version 11.5.9 to 11.5.10.2 [Release 11.5 to 11.5.10]
Information in this document applies to any platform.
 


Symptoms

Oracle Applications sessions appear to be hanging.
The Workflow Control Queue Cleanup concurrent process is running.
In the database trace file, one can see a library cache lock held by the WF_CONTROL queue.

Cause

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