Getting Warning : java.lang.ClassCastException: java.util.HashMap cannot be cast to java.util.Map$Entry

Issue

• We are getting below warning,what could be the reason behind this :

WARN  [org.infinispan.notifications.cachelistener.CacheNotifierImpl] (notification-thread-0) ISPN000134: Unable to invoke method public void org.jboss.as.clustering.registry.RegistryService.removed(org.infinispan.notifications.cachelistener.event.CacheEntryRemovedEvent) on Object instance org.jboss.as.clustering.registry.RegistryService@65bf6028 - removing this target object from list of listeners!: java.lang.ClassCastException: java.util.HashMap cannot be cast to java.util.Map$Entry