WARN "Possible concurrency problem: Replicated version id XX .... in-memory version for session" in JBoss EAP cluster
Issue
-
We got similar WARN log message in server.log:
- EAP 4.x/5.x:
Possible concurrency problem: Replicated version id 123 matches in-memory version for session ABCDEFGHIJKLMNOPQRSTUV**
WARN [org.jboss.web.tomcat.service.session.distributedcache.impl.jbc.CacheListener] (Incoming-191.168.100.100:55200) Possible concurrency problem: Replicated version id XXX is less than or equal to in-memory version for session ABCDEFGHIJKLMNOPQRSTUV__
- EAP 6.x:
JBAS010325: Possible concurrency problem: Replicated version id 123 is less than or equal to in-memory version for session ABCDEFGHIJKLMNOPQRSTUV**
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Frequent Infinispan errors in JBoss EAP 6.4.0 server.log
2019-06-17 09:27:41,644 WARN [org.jboss.as.clustering.web.infinispan] (Incoming-9,shared=tcpping) JBAS010325: Possible concurrency problem: Replicated version id 227 is less than or equal to in-memory version for session i82GSVen9H9-jKpGu3uwwcpU
Environment
- Red Hat JBoss Enterprise Application Platform (EAP)
- 4.x
- 5.x
- 6.x
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