[ https://issues.apache.org/jira/browse/GEODE-4615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated GEODE-4615: ---------------------------------- Labels: pull-request-available (was: ) > 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 > Time Spent: 0.5h > 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)