Cli calls leak resources in Host Controller when repeatedly calling jboss-cli.sh -------------------------------------------------------------------------------- Key: WFCORE-1560 URL: https://issues.jboss.org/browse/WFCORE-1560 Project: WildFly Core Issue Type: Bug Components: Domain Management Affects Versions: 2.0.8.Final Environment: OS: CentOS 7.2 Java HotSpot(TM) 64-Bit Server VM (build 25.77-b03, mixed mode) Wildfly-10.0.0-Final Reporter: Michael Noack Assignee: Ken Wills Priority: Critical Fix For: 3.0.0.Beta13 Attachments: JVM-DC.png, console-dc.log, host-controller.log, process-controller.log When executing management commands using jboss-cli.sh against the domain controller of a cluster repeatedly the host controller uses up more and more memory in oldgen. After several thousands of runs of jboss-cli the host controller eventually becomes unresponsive (see attached picture for memory consumption, dc became entirely unresponsive at roughly 6:30am): [root@dc broken]# /opt/wildfly-10.0.0.Final-DC/bin/./jboss-cli.sh --connect --user="username" --password="password" --command=":read-children-names(child-type=host)" Failed to connect to the controller: The controller is not available at xx.xx.xx.xx:9993: java.net.ConnectException: WFLYPRT0023: Could not connect to https-remoting://xx.xx.xx.xx:9993. The connection timed out: WFLYPRT0023: Could not connect to https-remoting://xx.xx.xx.xx:9993. The connection timed out I discovered the issue when testing whether https://issues.jboss.org/browse/WFCORE-974 was actually resolved in wildfly-10.0.0.Final as advertised. I can confirm that the issue is different, since no OOM-Exceptions are thrown. However the DC still becomes useless, since it won't accept any connections anymore. -I will check whether the work-around from WFCORE-974 applies to this issue as well.- However the work-around from WFCORE-974 doesn't fix this issue. Please note that the attached logs are UTC, while the monitoring is UTC+2. Also the collection values are misleading since I haven't adapted my monitoring to the new output of jstat in JDK8. PU and PC are thus MU and MC.