[ https://issues.jboss.org/browse/WFLY-1697?page=com.atlassian.jira.plugin.... ] RH Bugzilla Integration commented on WFLY-1697: ----------------------------------------------- Tomaz Cerar <tcerar(a)redhat.com&gt; made a comment on [bug 1003600|https://bugzilla.redhat.com/show_bug.cgi?id=1003600] https://github.com/jbossas/jboss-eap/pull/515 This PR changes default ExampleDS configuration to disable H2 DatabaseCloser thread creation which can hold reference to hibernate CL. This same problem exists also in this quickstart https://github.com/wildfly/quickstart/blob/master/kitchensink-html5-mobil... also needs this change ;DB_CLOSE_ON_EXIT=FALSE should be added to url. with that change memory leak does not appear anymore. This problem is related only to h2 in memory database and does not affect any other jdbc drivers I was testing. If I run quickstart with modified datasource this memory leak does not appear anymore -- 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