[jboss-jira] [JBoss JIRA] (JGRP-1761) LockServiceTest: deadlock

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1761?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-1761.
----------------------------

    Resolution: Done


Narrowed synchronized scope of {{ClientLockTable.unlockAll()}}.
                
> LockServiceTest: deadlock
> -------------------------
>
>                 Key: JGRP-1761
>                 URL: https://issues.jboss.org/browse/JGRP-1761
>             Project: JGroups
>          Issue Type: Bug
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 3.5
>
>
> {noformat}
> Found one Java-level deadlock:
>    =============================
>    "Thread-157":
>      waiting to lock monitor 0x00007fc2d0002a98 (object 0x00000000ceed9348, a org.jgroups.protocols.Locking$ClientLockTable),
>      which is held by "pool-2-thread-10"
>    "pool-2-thread-10":
>      waiting to lock monitor 0x00007fc2d0002b48 (object 0x00000000cf48bc30, a org.jgroups.protocols.Locking$ClientLock),
>      which is held by "Thread-157"
>    
>    Java stack information for the threads listed above:
>    ===================================================
>    "Thread-157":
>        at org.jgroups.protocols.Locking$ClientLockTable.removeClientLock(Locking.java:1030)
>        - waiting to lock <0x00000000ceed9348> (a org.jgroups.protocols.Locking$ClientLockTable)
>        at org.jgroups.protocols.Locking$ClientLock._unlock(Locking.java:947)
>        - locked <0x00000000cf48bc30> (a org.jgroups.protocols.Locking$ClientLock)
>        at org.jgroups.protocols.Locking$ClientLock.unlock(Locking.java:878)
>        - locked <0x00000000cf48bc30> (a org.jgroups.protocols.Locking$ClientLock)
>        at org.jgroups.protocols.Locking.down(Locking.java:160)
>        at org.jgroups.stack.ProtocolStack.down(ProtocolStack.java:1034)
>        at org.jgroups.JChannel.down(JChannel.java:765)
>        at org.jgroups.blocks.locking.LockService$LockImpl.unlock(LockService.java:161)
>        at org.jgroups.blocks.LockServiceTest.unlock(LockServiceTest.java:486)
>        at org.jgroups.blocks.LockServiceTest$AbstractAwaiter.run(LockServiceTest.java:366)
>        at java.lang.Thread.run(Thread.java:724)
>    "pool-2-thread-10":
>        at org.jgroups.protocols.Locking$ClientLock.unlock(Locking.java:878)
>        - waiting to lock <0x00000000cf48bc30> (a org.jgroups.protocols.Locking$ClientLock)
>        at org.jgroups.protocols.Locking$ClientLockTable.unlockAll(Locking.java:1046)
>        - locked <0x00000000ceed9348> (a org.jgroups.protocols.Locking$ClientLockTable)
>        at org.jgroups.protocols.Locking.unlockAll(Locking.java:282)
>        at org.jgroups.protocols.Locking.down(Locking.java:164)
>        at org.jgroups.stack.ProtocolStack.down(ProtocolStack.java:1034)
>        at org.jgroups.JChannel.down(JChannel.java:765)
>        at org.jgroups.blocks.locking.LockService.unlockAll(LockService.java:65)
>        at org.jgroups.blocks.LockServiceTest.unlockAll(LockServiceTest.java:57)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>        at java.lang.reflect.Method.invoke(Method.java:606)
>        at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
>        at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:564)
>        at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:213)
>        at org.testng.internal.Invoker.invokeMethod(Invoker.java:653)
>        at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
>        at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
>        at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
>        at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
>        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:724)
>    
>    Found 1 deadlock.
> {noformat}

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