Coherence Distributed Cache Service Hangs On Lock Due To Mix Of Using Direct Backing Map Access And BackingMapContext.getBackingMapEntry API. (Doc ID 2214163.1)

Last updated on JANUARY 29, 2017

Applies to:

Oracle Coherence - Version 12.2.1.0.0 to 12.2.1.2.0 [Release 12c]
Information in this document applies to any platform.

Symptoms

In the 12.2.1.0.0 Oracle Coherence Cluster Distributed Cache Service is hanging on locks. The scenario is soft timeout(s) on one member of a cluster shows two threads of a distributed service hanging on a lock while all other threads are idle, overnight other threads also got blocked. Customer has killed the service on the node and in the process of re-balancing of the distributed cache partitions another node got ejected from the cluster.

 

Cause

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