https://bz.apache.org/bugzilla/show_bug.cgi?id=58389
Bug ID: 58389
Summary: Data race on field
org.apache.tomcat.util.threads.TaskQueue.parent
Product: Tomcat 8
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Util
Assignee: [email protected]
Reporter: [email protected]
Reported by RV-Predict (a dynamic race detector) when running the test suite:
Data race on field org.apache.tomcat.util.threads.TaskQueue.parent: {{{
Concurrent read in thread T48 (locks held: {Monitor@23069647})
----> at org.apache.tomcat.util.threads.TaskQueue.force(TaskQueue.java:63)
at
org.apache.tomcat.util.threads.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:166)
at
org.apache.tomcat.util.threads.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:141)
at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:306)
- locked Monitor@23069647 at
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:259)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
T48 is created by T47
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
Concurrent write in thread T1 (locks held: {Monitor@23f9dda5,
Monitor@23f9da07, Monitor@23f9da2f, Monitor@23f9ec39})
----> at
org.apache.tomcat.util.threads.TaskQueue.setParent(TaskQueue.java:54)
at
org.apache.tomcat.util.net.AbstractEndpoint.shutdownExecutor(AbstractEndpoint.java:596)
at
org.apache.tomcat.util.net.JIoEndpoint.stopInternal(JIoEndpoint.java:417)
at
org.apache.tomcat.util.net.AbstractEndpoint.stop(AbstractEndpoint.java:809)
at org.apache.coyote.AbstractProtocol.stop(AbstractProtocol.java:516)
at
org.apache.catalina.connector.Connector.stopInternal(Connector.java:1011)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
- locked Monitor@23f9ec39 at
org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:n/a)
at
org.apache.catalina.core.StandardService.stopInternal(StandardService.java:516)
- locked Monitor@23f9da2f at
org.apache.catalina.core.StandardService.stopInternal(StandardService.java:506)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
- locked Monitor@23f9da07 at
org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:n/a)
at
org.apache.catalina.core.StandardServer.stopInternal(StandardServer.java:790)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
- locked Monitor@23f9dda5 at
org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:n/a)
at org.apache.catalina.startup.Tomcat.stop(Tomcat.java:347)
at
org.apache.catalina.startup.TomcatBaseTest.tearDown(TomcatBaseTest.java:212)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
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.run(ParentRunner.java:309)
at junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:38)
at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:535)
at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:1182)
at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:1033)
T1 is the main thread
}}}
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