https://bz.apache.org/bugzilla/show_bug.cgi?id=58397
Bug ID: 58397
Summary: Data race on field
org.apache.catalina.tribes.transport.nio.PooledParalle
lSender.connected
Product: Tomcat 8
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: yilong...@runtimeverification.com
Reported by RV-Predict (a dynamic race detector) when running the test suite:
Data race on field
org.apache.catalina.tribes.transport.nio.PooledParallelSender.connected: {{{
Concurrent write in thread T1 (locks held: {Monitor@77f324cd,
Monitor@54110076, Monitor@77f324c6, Monitor@77f32527, Monitor@77f32529})
----> at
org.apache.catalina.tribes.transport.nio.PooledParallelSender.disconnect(PooledParallelSender.java:76)
- locked Monitor@77f32529 at
org.apache.catalina.tribes.transport.nio.PooledParallelSender.disconnect(PooledParallelSender.java:n/a)
at
org.apache.catalina.tribes.transport.ReplicationTransmitter.stop(ReplicationTransmitter.java:75)
- locked Monitor@77f32527 at
org.apache.catalina.tribes.transport.ReplicationTransmitter.stop(ReplicationTransmitter.java:n/a)
at
org.apache.catalina.tribes.group.ChannelCoordinator.internalStop(ChannelCoordinator.java:217)
- locked Monitor@77f324c6 at
org.apache.catalina.tribes.group.ChannelCoordinator.internalStop(ChannelCoordinator.java:n/a)
at
org.apache.catalina.tribes.group.ChannelCoordinator.stop(ChannelCoordinator.java:121)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.stop(ChannelInterceptorBase.java:171)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.stop(ChannelInterceptorBase.java:171)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.stop(ChannelInterceptorBase.java:171)
at
org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.stop(NonBlockingCoordinator.java:467)
- locked Monitor@54110076 at
org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.stop(NonBlockingCoordinator.java:463)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.stop(ChannelInterceptorBase.java:171)
at
org.apache.catalina.tribes.group.GroupChannel.stop(GroupChannel.java:444)
- locked Monitor@77f324cd at
org.apache.catalina.tribes.group.GroupChannel.stop(GroupChannel.java:n/a)
at
org.apache.catalina.tribes.group.interceptors.TestNonBlockingCoordinator.tearDown(TestNonBlockingCoordinator.java:127)
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.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.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
Concurrent read in thread T280 (locks held: {Monitor@23afd3e1})
----> at
org.apache.catalina.tribes.transport.nio.PooledParallelSender.sendMessage(PooledParallelSender.java:58)
at
org.apache.catalina.tribes.transport.ReplicationTransmitter.sendMessage(ReplicationTransmitter.java:54)
at
org.apache.catalina.tribes.group.ChannelCoordinator.sendMessage(ChannelCoordinator.java:82)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.sendMessage(ChannelInterceptorBase.java:76)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.sendMessage(ChannelInterceptorBase.java:76)
at
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector.sendMessage(TcpFailureDetector.java:93)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.sendMessage(ChannelInterceptorBase.java:76)
at
org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.sendElectionMsg(NonBlockingCoordinator.java:260)
at
org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.sendElectionMsgToNextInline(NonBlockingCoordinator.java:270)
at
org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.handleOtherToken(NonBlockingCoordinator.java:365)
at
org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.handleToken(NonBlockingCoordinator.java:331)
at
org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.processCoordMessage(NonBlockingCoordinator.java:322)
at
org.apache.catalina.tribes.group.interceptors.NonBlockingCoordinator.messageReceived(NonBlockingCoordinator.java:498)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:81)
at
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector.messageReceived(TcpFailureDetector.java:117)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:81)
at
org.apache.catalina.tribes.group.interceptors.DomainFilterInterceptor.messageReceived(DomainFilterInterceptor.java:48)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:81)
at
org.apache.catalina.tribes.group.ChannelCoordinator.messageReceived(ChannelCoordinator.java:262)
at
org.apache.catalina.tribes.transport.ReceiverBase.messageDataReceived(ReceiverBase.java:242)
at
org.apache.catalina.tribes.transport.nio.NioReplicationTask.drainChannel(NioReplicationTask.java:211)
at
org.apache.catalina.tribes.transport.nio.NioReplicationTask.run(NioReplicationTask.java:102)
- locked Monitor@23afd3e1 at
org.apache.catalina.tribes.transport.nio.NioReplicationTask.run(NioReplicationTask.java:n/a)
T280 is created by T177
at
java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:1010)
}}}
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