10:10 a.m.
[
https://issues.jboss.org/browse/WFLY-4113?page=com.atlassian.jira.plugin....
]
James Perkins commented on WFLY-4113:
-------------------------------------
Thread dump from a local hang
{code}
"Remoting "endpoint" task-10":
at org.jboss.remoting3.remote.OutboundMessage.cancel(OutboundMessage.java:289)
- waiting to lock <0x00000007aed930d8> (a org.xnio.streams.BufferPipeOutputStream)
at
org.jboss.remoting3.remote.RemoteConnectionChannel.closeMessages(RemoteConnectionChannel.java:560)
at
org.jboss.remoting3.remote.RemoteConnectionChannel.closeAction(RemoteConnectionChannel.java:542)
at
org.jboss.remoting3.spi.AbstractHandleableCloseable.closeAsync(AbstractHandleableCloseable.java:359)
at
org.jboss.remoting3.remote.RemoteConnectionHandler.closeAllChannels(RemoteConnectionHandler.java:423)
- locked <0x00000007aec0f708> (a java.util.ArrayDeque)
at org.jboss.remoting3.remote.RemoteConnectionHandler.sendCloseRequest(
RemoteConnectionHandler.java:232)
at
org.jboss.remoting3.remote.RemoteConnectionHandler.handleConnectionClose(RemoteConnectionHandler.java:112)
at org.jboss.remoting3.remote.RemoteReadListener$1$1.run(RemoteReadListener.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
"Remoting 3 thread 1":
at
org.jboss.remoting3.remote.RemoteConnection$RemoteWriteListener.send(RemoteConnection.java:295)
- waiting to lock <0x00000007aec0f708> (a java.util.ArrayDeque)
at org.jboss.remoting3.remote.RemoteConnection.send(RemoteConnection.java:122)
at org.jboss.remoting3.remote.OutboundMessage$1.accept(OutboundMessage.java:154)
at org.xnio.streams.BufferPipeOutputStream.send(BufferPipeOutputStream.java:122)
at org.xnio.streams.BufferPipeOutputStream.send(BufferPipeOutputStream.java:115)
at org.xnio.streams.BufferPipeOutputStream.flush(BufferPipeOutputStream.java:139)
- locked <0x00000007aed930d8> (a org.xnio.streams.BufferPipeOutputStream)
at org.xnio.streams.BufferPipeOutputStream.close(BufferPipeOutputStream.java:157)
- locked <0x00000007aed930d8> (a org.xnio.streams.BufferPipeOutputStream)
at org.jboss.remoting3.remote.OutboundMessage.close(OutboundMessage.java:283)
- locked <0x00000007aed930d8> (a org.xnio.streams.BufferPipeOutputStream)
at java.io.FilterOutputStream.close(FilterOutputStream.java:160)
at
org.jboss.as.protocol.mgmt.FlushableDataOutputImpl.close(FlushableDataOutputImpl.java:123)
at
org.jboss.as.controller.remote.ModelControllerClientOperationHandler$CancelAsyncRequestHandler$1.execute(ModelControllerClientOperationHandler.java:296)
at
org.jboss.as.protocol.mgmt.AbstractMessageHandler$2$1.doExecute(AbstractMessageHandler.java:283)
at
org.jboss.as.protocol.mgmt.AbstractMessageHandler$AsyncTaskRunner.run(AbstractMessageHandler.java:504)
at org.jboss.threads.SimpleDirectExecutor.execute(SimpleDirectExecutor.java:33)
at org.jboss.threads.QueueExecutor.runTask(QueueExecutor.java:808)
at org.jboss.threads.QueueExecutor.access$100(QueueExecutor.java:45)
at org.jboss.threads.QueueExecutor$Worker.run(QueueExecutor.java:828)
at java.lang.Thread.run(Thread.java:745)
at org.jboss.threads.JBossThread.run(JBossThread.java:122)
{code}
The deadlock seems to be happening on
https://github.com/jamezp/wildfly/blob/8.x/controller/src/test/java/org/j...
for me.
8.2.0.Final build hangs
-----------------------
Key: WFLY-4113
URL: https://issues.jboss.org/browse/WFLY-4113
Project: WildFly
Issue Type: Feature Request
Components: Test Suite
Affects Versions: 8.2.0.Final
Reporter: Peter Major
Assignee: David Lloyd
Attachments: jstack.txt
When trying to build 8.2.0.Final locally, my build just hangs indefinitely while
executing a unit test in the controller module:
{noformat}
Running org.jboss.as.controller.ModelControllerClientTestCase
{noformat}
Running jstack against the build suggests that there is a deadlock between
{noformat}
- waiting to lock <0x00000007bc3f96c8> (a org.xnio.streams.BufferPipeOutputStream)
at
org.jboss.remoting3.remote.RemoteConnectionChannel.closeMessages(RemoteConnectionChannel.java:560)
at
org.jboss.remoting3.remote.RemoteConnectionChannel.closeAction(RemoteConnectionChannel.java:542)
at
org.jboss.remoting3.spi.AbstractHandleableCloseable.closeAsync(AbstractHandleableCloseable.java:359)
at
org.jboss.remoting3.remote.RemoteConnectionHandler.closeAllChannels(RemoteConnectionHandler.java:423)
- locked <0x00000007b8d8e6f8> (a java.util.ArrayDeque)
at
org.jboss.remoting3.remote.RemoteConnectionHandler.sendCloseRequest(RemoteConnectionHandler.java:232)
{noformat}
and
{noformat}
- waiting to lock <0x00000007b8d8e6f8> (a java.util.ArrayDeque)
at org.jboss.remoting3.remote.RemoteConnection.send(RemoteConnection.java:122)
at org.jboss.remoting3.remote.OutboundMessage$1.accept(OutboundMessage.java:154)
at org.xnio.streams.BufferPipeOutputStream.send(BufferPipeOutputStream.java:122)
at org.xnio.streams.BufferPipeOutputStream.send(BufferPipeOutputStream.java:115)
at org.xnio.streams.BufferPipeOutputStream.flush(BufferPipeOutputStream.java:139)
- locked <0x00000007bc3f96c8> (a org.xnio.streams.BufferPipeOutputStream)
at org.xnio.streams.BufferPipeOutputStream.close(BufferPipeOutputStream.java:157)
- locked <0x00000007bc3f96c8> (a org.xnio.streams.BufferPipeOutputStream)
at org.jboss.remoting3.remote.OutboundMessage.close(OutboundMessage.java:283)
- locked <0x00000007bc3f96c8> (a org.xnio.streams.BufferPipeOutputStream)
at java.io.FilterOutputStream.close(FilterOutputStream.java:160)
{noformat}
Preferably locks should be obtained in the same order across the different code paths to
prevent deadlocks.
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James Perkins (JIRA)