WebLogic Server Latest PSU/Security Patch Causes (de)serialization time errors in a Coherence Cluster with JDK Upgrade, Why?
Last updated on DECEMBER 06, 2017
Applies to:Oracle Coherence - Version 18.104.22.168.0 and later
Oracle WebLogic Server - Version 22.214.171.124.0 and later
Information in this document applies to any platform.
Customer reported that after applying latest WebLogic security patches (PSUs) on WebLogic 12.1.3 installation they started getting Coherence cache (session) data (de)serialization errors in certain situations. They have seen the same issue with the latest version of WebLogic Server 126.96.36.199.0. Later they have rolled back the critical security patches but that is only temporary fix.
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