Ora-4020 Deadlock Detected Quiescing Master Master Replication Env.
(Doc ID 329781.1)
Last updated on AUGUST 13, 2021
Applies to:Oracle Database - Enterprise Edition - Version 10.1.0.3 to 10.2.0.4 [Release 10.1 to 10.2]
Information in this document applies to any platform.
On quiesce of master group receiving the following error
ORA-4020: deadlock detected while trying to lock object.
This always shows highly used tables as the ones detected.
This has also happened on generate replication support.
This happens after upgrading
to 10.1.0.2.0 or 10.1.0.3.0
Upgraded the Oracle Database to 10.1.0.2.0 or 10.1.0.3.0
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