Database Hung With ORA-00239: Timeout Waiting For Control File Enqueue (Doc ID 1389274.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 to 11.2.0.2 [Release 11.1 to 11.2]
Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.
***Checked for relevance on 01-Jul-2016***

Symptoms

+ Alert log reported "ORA-00239: timeout waiting for control file enqueue".
+ Database was hung with no redo log file switches until the database was bounced.

Cause

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