[jboss-jira] [JBoss JIRA] (WFLY-9941) :shutdown cli operation throws java.util.concurrent.CancellationException: Operation was cancelled

:shutdown cli operation throws java.util.concurrent.CancellationException: Operation was cancelled -------------------------------------------------------------------------------------------------- Key: WFLY-9941 URL: https://issues.jboss.org/browse/WFLY-9941 Project: WildFly Issue Type: Bug Components: CLI Affects Versions: 12.0.0.Final Reporter: Miroslav Novak Assignee: Jean-Francois Denise Attachments: manu-trace.log There is intermittent failure on CLI client when CLI operation {{ :shutdown() }} is called. Sometimes happens that CancellationException is thrown: {code} 2018-03-01 09:36:59,188 ERROR pool-1-thread-1 org.jboss.manu.eap.services.server.EapModularServerBase - Can't stop server gracefully java.io.IOException: java.util.concurrent.CancellationException: Operation was cancelled at org.jboss.as.controller.client.impl.AbstractModelControllerClient.executeForResult(AbstractModelControllerClient.java:149) ~[wildfly-controller-client-2.0.0.CR5.jar:2.0.0.CR5] at org.jboss.as.controller.client.impl.AbstractModelControllerClient.execute(AbstractModelControllerClient.java:75) ~[wildfly-controller-client-2.0.0.CR5.jar:2.0.0.CR5] at org.wildfly.extras.creaper.core.online.OnlineManagementClientImpl.execute(OnlineManagementClientImpl.java:180) ~[creaper-core-1.6.1.jar:na] at org.jboss.manu.eap.services.server.EapModularServerBase.executeOnlineManagementOperation(EapModularServerBase.java:600) ~[manu-eap-lib-1.1.54.jar:na] at org.jboss.manu.eap.services.server.EapModularServerBase.executeOnlineManagementOperation(EapModularServerBase.java:638) ~[manu-eap-lib-1.1.54.jar:na] at org.jboss.manu.eap.services.server.EapServerStandalone.executeStopOperation(EapServerStandalone.java:348) ~[manu-eap-lib-1.1.54.jar:na] at org.jboss.manu.eap.services.server.EapModularServerBase.stop(EapModularServerBase.java:238) ~[manu-eap-lib-1.1.54.jar:na] at org.jboss.manu.eap.units.server.StopServer.execute(StopServer.java:57) [manu-eap-lib-1.1.54.jar:na] at org.jboss.manu.core.execute.UnitExecuteTask.call(UnitExecuteTask.java:33) [manu-core-impl-1.1.43.jar:na] at org.jboss.manu.core.execute.UnitExecuteTask.call(UnitExecuteTask.java:14) [manu-core-impl-1.1.43.jar:na] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_151] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_151] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_151] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151] Caused by: java.util.concurrent.CancellationException: Operation was cancelled at org.jboss.threads.AsyncFutureTask.operationCancelled(AsyncFutureTask.java:70) ~[jboss-threads-2.2.1.Final.jar:2.2.1.Final] at org.jboss.threads.AsyncFutureTask.get(AsyncFutureTask.java:267) ~[jboss-threads-2.2.1.Final.jar:2.2.1.Final] at org.jboss.as.controller.client.impl.AbstractDelegatingAsyncFuture.get(AbstractDelegatingAsyncFuture.java:57) ~[wildfly-controller-client-2.0.0.CR5.jar:2.0.0.CR5] at org.jboss.as.controller.client.impl.AbstractModelControllerClient.executeForResult(AbstractModelControllerClient.java:147) ~[wildfly-controller-client-2.0.0.CR5.jar:2.0.0.CR5] ... 13 common frames omitted {code} WF12 server shutdowns but it seems that it does not send response for {{:shutdown}} call to client before shutdwon and closes connection. This causes that AsyncFutureTask on client is cancelled.