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CQC Clients Deadlock between ObservableHashMap and ContinuousQueryCache.ensureSynchronized after Upgrade WebLogic Version From 12.2.1.3.0 To 12.2.1.4.0 (Doc ID 2934365.1)

Last updated on MARCH 18, 2024

Applies to:

Oracle Coherence - Version 12.2.1.4.0 and later
Information in this document applies to any platform.

Symptoms

CQC clients deadlock between ObservableHashMap and ContinuousQueryCache.ensureSynchronized. This issue happening after from 12.2.1.3 to 12.2.1.4. Customer also upgraded JDK 8 from u221 to u321. Customer told that facing multiple failures after to upgrade WLS + COH version from 12.2.1.3.0 to 12.2.1.4.0. Issue only happens during load test on application with WLS + COH version 12.2.1.4.0. Customer has tested disabling auto restart on every managed server but managed servers are getting in failed state. Finally, due to these deadlocks and service restarts making cluster no restartable.

Cause

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In this Document
Symptoms
Cause
Solution
References


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