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Purge Script Provided With Patch 10256270 (Bug 10222133) Leaves Unreferenced Rows On Deadlock (Doc ID 1341436.1)

Last updated on MARCH 12, 2019

Applies to:

Oracle(R) BPEL Process Manager 10g - Version to
Information in this document applies to any platform.


The BPEL purge script multi_threaded_looped_purge.sql provided in <patch 10256270> (i.e. <bug 10222133>) leaves unreferenced detail records in some dehydration store tables if it gets an error during execution, for example a deadlock. Unreferenced rows refer to database rows without corresponding parent rows. This script was provided as part of merge <patch 10256270> and is the official patch for <bug 10222133>.

If errors occur, such as the following deadlocks, seen in the PURGE_EXCEPTION_LOG:

This is very similar to what was described in <bug 10222133> and the patch for <bug 10222133> was built in order to prevent this issue from happening, but the issue is still occurring with the new script. The patch involved reordering the DELETE statements to prevent dangling rows in the case of the script being interrupted or failing.




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