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From "David Ingham (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-5294) [AMQP 1.0 JMS] Thread deadlock due to JVM bug JDK-8022788
Date Mon, 04 Nov 2013 18:58:17 GMT
David Ingham created QPID-5294:
----------------------------------

             Summary: [AMQP 1.0 JMS] Thread deadlock due to JVM bug JDK-8022788
                 Key: QPID-5294
                 URL: https://issues.apache.org/jira/browse/QPID-5294
             Project: Qpid
          Issue Type: Bug
          Components: Java Client
    Affects Versions: 0.24
         Environment: Qpid JMS AMQP 1.0 client lib
            Reporter: David Ingham


A deadlock is occasionally observed in heavy load testing. This is apparently due to the following
JVM bug:

JDK-8022788 : deadlock in SSLSocketImpl between between write and close
Affected Versions:          7u60
Fixed Versions:               7u60
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8022788

The bug manifests itself with the following deadlock:

Found one Java-level deadlock:
=============================
"Thread-392":
  waiting for ownable synchronizer 0x000000078af1c4a0, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),
  which is held by "Thread-391"
"Thread-391":
  waiting to lock monitor 0x00007f48d4483790 (object 0x000000078af1be60, a sun.security.ssl.SSLSocketImpl),
  which is held by "Thread-392"

Java stack information for the threads listed above:
===================================================
"Thread-392":
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x000000078af1c4a0> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
        at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:799)
        at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:672)
        at sun.security.ssl.SSLSocketImpl.sendAlert(SSLSocketImpl.java:2007)
        at sun.security.ssl.SSLSocketImpl.warning(SSLSocketImpl.java:1834)
        at sun.security.ssl.SSLSocketImpl.closeInternal(SSLSocketImpl.java:1602)
        - locked <0x000000078af1be60> (a sun.security.ssl.SSLSocketImpl)
        at sun.security.ssl.SSLSocketImpl.close(SSLSocketImpl.java:1538)
        at org.apache.qpid.amqp_1_0.client.Connection$2.run(Connection.java:267)
        at java.lang.Thread.run(Thread.java:724)
"Thread-391":
        at sun.security.ssl.SSLSocketImpl.getConnectionState(SSLSocketImpl.java:649)
        - waiting to lock <0x000000078af1be60> (a sun.security.ssl.SSLSocketImpl)
        at sun.security.ssl.SSLSocketImpl.isClosed(SSLSocketImpl.java:1446)
        at java.net.Socket.getTcpNoDelay(Socket.java:961)
        at sun.security.ssl.BaseSSLSocketImpl.getTcpNoDelay(BaseSSLSocketImpl.java:345)
        at sun.security.ssl.SSLSocketImpl.writeRecordInternal(SSLSocketImpl.java:819)
        at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:801)
        at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:122)
        - locked <0x000000078af1c570> (a sun.security.ssl.AppOutputStream)
        at org.apache.qpid.amqp_1_0.framing.ConnectionHandler$BytesOutputHandler.processBytes(ConnectionHandler.java:420)
        at org.apache.qpid.amqp_1_0.framing.ConnectionHandler$FrameToBytesSourceAdapter.getBytes(ConnectionHandler.java:305)
        at org.apache.qpid.amqp_1_0.framing.ConnectionHandler$SequentialBytesSource.getBytes(ConnectionHandler.java:371)
        - locked <0x000000078af1c5c8> (a org.apache.qpid.amqp_1_0.framing.ConnectionHandler$SequentialBytesSource)
        at org.apache.qpid.amqp_1_0.framing.ConnectionHandler$BytesOutputHandler.run(ConnectionHandler.java:406)
        at java.lang.Thread.run(Thread.java:724)





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