[ https://issues.jboss.org/browse/ISPN-4196?page=com.atlassian.jira.plugin.... ] Martin Gencur commented on ISPN-4196: ------------------------------------- So I think the root cause is the following: The clear() operation internally uses _cluster_registry_cache and calls keySet on it. keySet operation creates an invocation context and creates a new local transaction which is added to localTransactions variable for the respective cache. However, the keySet operation is not enlisted in the transaction and so when the transaction commits, the local transaction is not removed from the list. This happens through transaction manager that removes all transactions which have been enlisted in the transaction. Trying to find solution... -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira