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https://issues.apache.org/jira/browse/GEODE-4615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Bruce Schuchardt resolved GEODE-4615.
-------------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
> Deadlock shutting down client cache
> -----------------------------------
>
> Key: GEODE-4615
> URL: https://issues.apache.org/jira/browse/GEODE-4615
> Project: Geode
> Issue Type: Bug
> Components: client/server
> Affects Versions: 1.1.0
> Reporter: Bruce Schuchardt
> Assignee: Bruce Schuchardt
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.5.0
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> A test became deadlocked when a thread executing a query was requesting a PDX
> type ID from its server at the same time another thread was closing the
> cache. I wrote a unit test to reproduce this problem. Here is the deadlock:
>
> {noformat}
> "ConnectionManagerJUnitTest thread":
> at
> org.apache.geode.cache.client.internal.pooling.PooledConnection.internalDestroy(PooledConnection.java:76)
> - waiting to lock <0x000000076bbc3d20> (a
> org.apache.geode.cache.client.internal.pooling.PooledConnection)
> at
> org.apache.geode.cache.client.internal.pooling.PooledConnection.internalClose(PooledConnection.java:101)
> at
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl$ConnectionMap.close(ConnectionManagerImpl.java:1164)
> - locked <0x000000076b848f30> (a
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl$ConnectionMap)
> at
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerJUnitTest$3.run(ConnectionManagerJUnitTest.java:613)
> "main":
> at
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl$ConnectionMap.addConnection(ConnectionManagerImpl.java:1059)
> - waiting to lock <0x000000076b848f30> (a
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl$ConnectionMap)
> at
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl.addConnection(ConnectionManagerImpl.java:463)
> at
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerImpl.borrowConnection(ConnectionManagerImpl.java:245)
> at
> org.apache.geode.cache.client.internal.pooling.ConnectionManagerJUnitTest.testThatMapCloseCausesCacheClosedException(ConnectionManagerJUnitTest.java:631)
> - locked <0x000000076bbc3d20> (a
> org.apache.geode.cache.client.internal.pooling.PooledConnection)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
> at
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
> at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
> {noformat}
> The "main" thread obtains a Connection and then, with its sync lock held,
> obtains another Connection to simulate the PDX registration.
> The background thread waits for the other thread to be ready and then closes
> the ConnectionMap.
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