WCC Hangs Due to JDBC Deadlock (Doc ID 1446677.1)

Last updated on MAY 10, 2017

Applies to:

Oracle WebCenter Content - Version 11.1.1.3.0 and later
Information in this document applies to any platform.

Symptoms

The WebCenter Content server (formerly UCM, Universal Content Management) will hang.

A Java thread dump will show a deadlock such as the following:

Circular (deadlocked) lock chains
=================================
Chain 5:
"Refinery QueryRefineryJobs" id=119 idx=0x1f8 tid=26017 waiting for oracle/jdbc/driver/OracleTimeoutThreadPerVM@0x112b6f470 held by:
"OracleTimeoutPollingThread" id=88 idx=0x17c tid=25983 waiting for oracle/jdbc/driver/T4CConnection@0x112b5afa0 held by:
"Refinery QueryRefineryJobs" id=119 idx=0x1f8 tid=26017

Cause

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