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Type:
Bug
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Status: Verified (View Workflow)
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Priority:
Critical
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Resolution: Done
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Affects Version/s: 7.0.0.ER1, 7.0.0.ER7
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Component/s: Remoting
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Labels:
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Target Release:
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Affects:Release Notes
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Release Notes Docs Status:Documented as Known Issue
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Release Notes Text:
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Bugzilla Update:Perform
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Sprint:EAP 7.0.3
Endpoint can be closed before doConnect tasks finished causing AbstractHandleableCloseable.close to wait forever.
Seen when application is making remote naming calls to a remote server.
Such as this:
Properties props = new Properties();
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props.put("java.naming.factory.initial", "org.jboss.naming.remote.client.InitialContextFactory");
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...
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Context remoteContext = null;
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Object object = null;
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try {
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remoteContext = new InitialContext(props);
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object = remoteContext.lookup(lookup);
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} finally {
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remoteContext.close();
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}
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...
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With cpu starvation under load, the timing of the connection start up tasks can be delayed. so JBoss received a connection before the endpoint close, but the full connection start (handleDone) didn't occur until after the endpoint close was initiated. This gets us into a state where the connection is able to come in, endpoint closes, then the connection finishes adding itself to the closed endpoint's connections map and will never be closed.
EndpointImpl.doConnect
- connHandlerFuture.getIoFuture().addNotifier(...
- public void handleDone
EndpointImpl.closeAction()
"Remoting "master:client-one:MANAGEMENT" task-3" prio=10 tid=0x00007f4a100fc800 nid=0x44b3 in Object.wait() [0x00007f4a68999000]
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java.lang.Thread.State: WAITING (on object monitor)
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at java.lang.Object.wait(Native Method)
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- waiting on <0x00000000fe87aee0> (a java.lang.Object)
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at java.lang.Object.wait(Object.java:485)
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at org.jboss.remoting3.spi.AbstractHandleableCloseable.close(AbstractHandleableCloseable.java:190)
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- locked <0x00000000fe87aee0> (a java.lang.Object)
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at org.xnio.IoUtils.safeClose(IoUtils.java:137)
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at org.jboss.remoting3.EndpointImpl$5.handleDone(EndpointImpl.java:317)
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at org.jboss.remoting3.EndpointImpl$5.handleDone(EndpointImpl.java:293)
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at org.xnio.IoFuture$HandlingNotifier.notify(IoFuture.java:212)
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at org.xnio.AbstractIoFuture$NotifierRunnable.run(AbstractIoFuture.java:729)
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at org.xnio.IoUtils$2.execute(IoUtils.java:72)
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at org.xnio.AbstractIoFuture.runNotifier(AbstractIoFuture.java:702)
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at org.xnio.AbstractIoFuture$NotifierState.doNotify(AbstractIoFuture.java:275)
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at org.xnio.AbstractIoFuture$NotifierState.notifyDone(AbstractIoFuture.java:256)
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at org.xnio.AbstractIoFuture.setResult(AbstractIoFuture.java:628)
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at org.xnio.FutureResult.setResult(FutureResult.java:83)
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at org.xnio.IoUtils$ResultNotifier.handleDone(IoUtils.java:684)
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at org.xnio.IoUtils$ResultNotifier.handleDone(IoUtils.java:673)
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at org.xnio.IoFuture$HandlingNotifier.notify(IoFuture.java:212)
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at org.xnio.AbstractIoFuture$NotifierRunnable.run(AbstractIoFuture.java:729)
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at org.xnio.IoUtils$2.execute(IoUtils.java:72)
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at org.xnio.AbstractIoFuture.runNotifier(AbstractIoFuture.java:702)
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at org.xnio.AbstractIoFuture$NotifierState.doNotify(AbstractIoFuture.java:275)
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at org.xnio.AbstractIoFuture$NotifierState.notifyDone(AbstractIoFuture.java:256)
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at org.xnio.AbstractIoFuture$NotifierState.notifyDone(AbstractIoFuture.java:257)
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at org.xnio.AbstractIoFuture$CancellableState.notifyDone(AbstractIoFuture.java:334)
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at org.xnio.AbstractIoFuture.setResult(AbstractIoFuture.java:628)
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at org.xnio.FutureResult.setResult(FutureResult.java:83)
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at org.jboss.remoting3.remote.ClientConnectionOpenListener$Authentication$2.run(ClientConnectionOpenListener.java:763)
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at org.jboss.remoting3.EndpointImpl$TrackingExecutor$1.run(EndpointImpl.java:731)
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at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
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at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
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at java.lang.Thread.run(Thread.java:662)
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- cloned from
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- Resolved
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- Verified
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- is caused by
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- Resolved
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- is incorporated by
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JBEAP-5504 (7.0.z) Upgrade xnio from 3.3.6 to 3.4.0
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- Verified
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- Verified
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- relates to
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- Resolved
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