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Integrated Extract Is Hanging When Purging Logminer Checkpoint Information (Doc ID 2036734.1)

Last updated on JULY 02, 2018

Applies to:

Oracle GoldenGate - Version 11.2.1.0.0 to 12.1.2.1.0 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

Integrated Extract hangs whilst we are attempting to move the first_scn forwards with messages of the following form logged in the alert.log

The alert log showed the below:
krvxenq: Failed to acquire logminer dictionary lock. pid=95 OS id=19881. Retrying...
Fri Jun 12 18:13:07 2015
krvxenq: Failed to acquire logminer dictionary lock. pid=93 OS id=19879. Retrying...
krvxenq: Failed to acquire logminer dictionary lock. pid=95 OS id=19881. Retrying...
Fri Jun 12 18:23:07 2015
krvxenq: Failed to acquire logminer dictionary lock. pid=93 OS id=19879. Retrying...
Fri Jun 12 18:24:58 2015

Cause

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