ConcurrentModificationException on individual cache on Red Hat Data Grid 7

Solution In Progress - Updated -


During the nightly restart of the productive cache cluster sporadically individual cache servers are not started correctly.

Caused by: org.infinispan.commons.CacheException: Unable to invoke method public void org.infinispan.conflict.impl.DefaultConflictManager.start() on object of type DefaultConflictManager
Caused by: java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.checkForComodification( [rt.jar:1.8.0_192]
        at java.util.ArrayList$ [rt.jar:1.8.0_192]
        at org.infinispan.conflict.EntryMergePolicyFactoryRegistry.createInstance(
        at org.infinispan.conflict.impl.DefaultConflictManager.start(
        at sun.reflect.GeneratedMethodAccessor123.invoke(Unknown Source) [:1.8.0_192]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke( [rt.jar:1.8.0_192]
        at java.lang.reflect.Method.invoke( [rt.jar:1.8.0_192]
        at org.infinispan.commons.util.ReflectionUtil.invokeAccessibly(
        ... 23 more


  • Red Hat Data Grid (RHDG)
    • 7.x

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