Running application in cluster. One Web server and 2 application server

Getting below errors:

[org.jboss.as.clustering.web.infinispan] (Incoming-7,shared=tcp) JBAS010325: Possible concurrency problem: Replicated version id 1308 is less than or equal to in-memory version for session h16fHsC2UMoxBKL4LQTFVhyR

JBWEB001018: An exception or error occurred in the container during the request processing: java.lang.RuntimeException: JBAS018060: Exception acquiring ownership of StPbmuB+JXFwbFcQdsPkV4BK

at org.jboss.as.web.session.ClusteredSession.access(ClusteredSession.java:497) [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]

at org.apache.catalina.connector.Request.doGetSession(Request.java:2612) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]

at org.apache.catalina.connector.Request.getSession(Request.java:2357) [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]

at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:99) [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]

Caused by: org.jboss.as.clustering.lock.TimeoutException: JBAS010213: Cannot acquire lock

And application was behaving unexpected like few functionality was stopped working.

Not able to get the reason.

Any help please.

Thanks in Advance.

Regards

Chandan