Starting The Coherence Nodes After Upgrading From to 3.7.1 Resulted In An Exception Being Reported: " java.util.HashMap; local class incompatible"

(Doc ID 1529271.1)

Last updated on FEBRUARY 20, 2013

Applies to:

Oracle Coherence - Version 3.7.1 and later
Information in this document applies to any platform.


After upgrading from to, some of the non-storage enabled nodes which were WebLogic server instances reported the following error:

The WebLogic installations were using Oracle JRockit(R) (build R28.1.1-14-139783-1.6.0_22-20101206-0241-linux-x86_64, compiled mode).


Upgrade from Coherence to


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