Issue from ISPN-3884 is also present in EAP 6.3.0.ER1 with Infinispan 5.2.8.Final-redhat-1. There are logs in the upstream JIRA.
Upstream test stabilization jira exists (https://issues.jboss.org/browse/ISPN-4844).
William Burns <wburns> updated the status of jira ISPN-3884 to Open
Vojtech Juranek <vjuranek> updated the status of jira ISPN-3884 to Closed
Tristan Tarrant <ttarrant> updated the status of jira ISPN-4844 to Closed