Timothy Farkas created DRILL-6102:
-------------------------------------
Summary: CurrentModification Exception in BaseAllocator when
debugging
Key: DRILL-6102
URL: https://issues.apache.org/jira/browse/DRILL-6102
Project: Apache Drill
Issue Type: Improvement
Reporter: Timothy Farkas
Assignee: Timothy Farkas
The following ConcurrentModificationException was observed
{code:java}
Running org.apache.drill.TestTpchDistributed#tpch19_1
11:45:47.482 [main] ERROR o.a.d.exec.server.BootStrapContext - Pool did not
terminate
11:45:47.486 [main] ERROR o.a.d.exec.server.BootStrapContext - Error while
closing
java.util.ConcurrentModificationException: null
at
java.util.IdentityHashMap$IdentityHashMapIterator.nextIndex(IdentityHashMap.java:732)
~[na:1.7.0_141]
at java.util.IdentityHashMap$KeyIterator.next(IdentityHashMap.java:822)
~[na:1.7.0_141]
at org.apache.drill.exec.memory.BaseAllocator.print(BaseAllocator.java:751)
~[drill-memory-base-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at org.apache.drill.exec.memory.BaseAllocator.print(BaseAllocator.java:747)
~[drill-memory-base-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at org.apache.drill.exec.memory.BaseAllocator.print(BaseAllocator.java:747)
~[drill-memory-base-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at org.apache.drill.exec.memory.BaseAllocator.toString(BaseAllocator.java:542)
~[drill-memory-base-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at org.apache.drill.exec.memory.BaseAllocator.close(BaseAllocator.java:495)
~[drill-memory-base-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:76)
[drill-common-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:64)
[drill-common-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at
org.apache.drill.exec.server.BootStrapContext.close(BootStrapContext.java:256)
~[classes/:na]
at org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:76)
[drill-common-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:64)
[drill-common-1.13.0-SNAPSHOT.jar:1.13.0-SNAPSHOT]
at org.apache.drill.exec.server.Drillbit.close(Drillbit.java:254) [classes/:na]
at org.apache.drill.test.BaseTestQuery.closeClient(BaseTestQuery.java:311)
[test-classes/:1.13.0-SNAPSHOT]
at sun.reflect.GeneratedMethodAccessor262.invoke(Unknown Source) ~[na:na]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.7.0_141]
at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_141]
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
[junit-4.11.jar:na]
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
[junit-4.11.jar:na]
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
[junit-4.11.jar:na]
at
mockit.integration.junit4.internal.JUnit4TestRunnerDecorator.invokeExplosively(JUnit4TestRunnerDecorator.java:44)
[jmockit-1.3.jar:na]
at
mockit.integration.junit4.internal.MockFrameworkMethod.invokeExplosively(MockFrameworkMethod.java:29)
[jmockit-1.3.jar:na]
at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source) ~[na:na]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.7.0_141]
at java.lang.reflect.Method.invoke(Method.java:606) ~[na:1.7.0_141]
at
mockit.internal.util.MethodReflection.invokeWithCheckedThrows(MethodReflection.java:95)
[jmockit-1.3.jar:na]
at
mockit.internal.annotations.MockMethodBridge.callMock(MockMethodBridge.java:76)
[jmockit-1.3.jar:na]
at
mockit.internal.annotations.MockMethodBridge.invoke(MockMethodBridge.java:41)
[jmockit-1.3.jar:na]
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java)
[junit-4.11.jar:na]
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
[junit-4.11.jar:na]
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
[junit-4.11.jar:na]
at org.junit.rules.RunRules.evaluate(RunRules.java:20) [junit-4.11.jar:na]
at org.junit.runners.ParentRunner.run(ParentRunner.java:309) [junit-4.11.jar:na]
at org.junit.runners.Suite.runChild(Suite.java:127) [junit-4.11.jar:na]
at org.junit.runners.Suite.runChild(Suite.java:26) [junit-4.11.jar:na]
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
[junit-4.11.jar:na]
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
[junit-4.11.jar:na]
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
[junit-4.11.jar:na]
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
[junit-4.11.jar:na]
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
[junit-4.11.jar:na]
at org.junit.runners.ParentRunner.run(ParentRunner.java:309) [junit-4.11.jar:na]
at org.junit.runner.JUnitCore.run(JUnitCore.java:160) [junit-4.11.jar:na]
at org.junit.runner.JUnitCore.run(JUnitCore.java:138) [junit-4.11.jar:na]
at
org.apache.maven.surefire.junitcore.JUnitCoreWrapper.createRequestAndRun(JUnitCoreWrapper.java:113)
[surefire-junit47-2.17.jar:2.17]
at
org.apache.maven.surefire.junitcore.JUnitCoreWrapper.executeLazy(JUnitCoreWrapper.java:94)
[surefire-junit47-2.17.jar:2.17]
at
org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:58)
[surefire-junit47-2.17.jar:2.17]
at
org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:134)
[surefire-junit47-2.17.jar:2.17]
at
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
[surefire-booter-2.17.jar:2.17]
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
[surefire-booter-2.17.jar:2.17]
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
[surefire-booter-2.17.jar:2.17]{code}
This is happening because we don't synchronize on the DEBUG_LOCK in the
BaseAllocator#print method.
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