Transaction getting ORA-2049 Timeout: Distributed Transaction Waiting For Lock (Doc ID 2051271.1)

Last updated on DECEMBER 08, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.
***Checked for relevance on 07-Dec-2016***

Symptoms

A distributed transaction is hanging or slow performing and may even get ORA-2049 Timeout: Distributed Transaction Waiting For Lock

Tried increasing DISTRIBUTED_LOCK_TIMEOUT and that may or may not have stopped the ORA-2049 but performance has not improved.

Cause

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