Hi,
I am trying to write into Cassandra via the CqlBulkOutputFormat from an apache flink program. The program succeeds to write into a cassandra-cluster while the program is running locally on my pc. However, when trying to run the program on the cluster, it seems to get stuck at SSTableSimpleUnsortedWriter.put() waiting for the Diskwriter-Thread, that is not running anymore. I am using cassandra version 1.5 and apache flink version 0.9.0. Attached is the full stacktrace. Thanks in advance, Susanne
2015-06-26 11:15:35 Full thread dump Java HotSpot(TM) 64-Bit Server VM (24.65-b04 mixed mode): "JMX server connection timeout 68" - Thread t@68 java.lang.Thread.State: TIMED_WAITING at java.lang.Object.wait(Native Method) - waiting on <117d0002> (a [I) at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:168) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "RMI TCP Connection(4)-172.16.30.87" - Thread t@67 java.lang.Thread.State: RUNNABLE at sun.management.ThreadImpl.dumpThreads0(Native Method) at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:446) at sun.reflect.GeneratedMethodAccessor62.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75) at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279) at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:193) at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:175) at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:117) at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:54) at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237) at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138) at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:252) at javax.management.StandardMBean.invoke(StandardMBean.java:405) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1487) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:97) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1328) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1420) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:848) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322) at sun.rmi.transport.Transport$1.run(Transport.java:177) at sun.rmi.transport.Transport$1.run(Transport.java:174) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:173) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - locked <4f733919> (a java.util.concurrent.ThreadPoolExecutor$Worker) "RMI Scheduler(0)" - Thread t@66 java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <258b8c46> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2082) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1090) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "Reference-Reaper:1" - Thread t@64 java.lang.Thread.State: WAITING at java.lang.Object.wait(Native Method) - waiting on <6ca65aeb> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151) at org.apache.cassandra.utils.concurrent.Ref$1.run(Ref.java:309) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - locked <6f0981a6> (a java.util.concurrent.ThreadPoolExecutor$Worker) "ScheduledTasks:1" - Thread t@62 java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <1d9b3207> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2082) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1090) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:807) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "DataSink (org.apache.flink.api.java.hadoop.mapred.HadoopOutputFormat@36305d63) (1/1)" - Thread t@60 java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <37f178c0> (a java.util.concurrent.SynchronousQueue$TransferStack) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460) at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359) at java.util.concurrent.SynchronousQueue.offer(SynchronousQueue.java:896) at org.apache.cassandra.io.sstable.SSTableSimpleUnsortedWriter.put(SSTableSimpleUnsortedWriter.java:187) at org.apache.cassandra.io.sstable.SSTableSimpleUnsortedWriter.sync(SSTableSimpleUnsortedWriter.java:174) at org.apache.cassandra.io.sstable.SSTableSimpleUnsortedWriter.close(SSTableSimpleUnsortedWriter.java:150) at org.apache.cassandra.io.sstable.CQLSSTableWriter.close(CQLSSTableWriter.java:271) at hadoop_cassandra.AbstractBulkRecordWriter.close(AbstractBulkRecordWriter.java:123) at hadoop_cassandra.AbstractBulkRecordWriter.close(AbstractBulkRecordWriter.java:116) at hadoop_cassandra.CqlFlinkRecordWriter.close(CqlFlinkRecordWriter.java:48) at org.apache.flink.api.java.hadoop.mapred.HadoopOutputFormatBase.close(HadoopOutputFormatBase.java:123) at org.apache.flink.runtime.operators.DataSinkTask.invoke(DataSinkTask.java:242) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:559) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "ForkJoinPool-1-worker-3" - Thread t@50 java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <4e2ea1f1> (a scala.concurrent.forkjoin.ForkJoinPool) at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Locked ownable synchronizers: - None "org.apache.hadoop.hdfs.PeerCache@72a69cb0" - Thread t@49 java.lang.Thread.State: TIMED_WAITING at java.lang.Thread.sleep(Native Method) at org.apache.hadoop.hdfs.PeerCache.run(PeerCache.java:252) at org.apache.hadoop.hdfs.PeerCache.access$000(PeerCache.java:39) at org.apache.hadoop.hdfs.PeerCache$1.run(PeerCache.java:135) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "Timer-0" - Thread t@42 java.lang.Thread.State: TIMED_WAITING at java.lang.Object.wait(Native Method) - waiting on <5789fd50> (a java.util.TaskQueue) at java.util.TimerThread.mainLoop(Timer.java:552) at java.util.TimerThread.run(Timer.java:505) Locked ownable synchronizers: - None "Flink Netty Server (38663) Thread 0" - Thread t@36 java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87) - locked <5049e02e> (a io.netty.channel.nio.SelectedSelectionKeySet) - locked <235a13cf> (a java.util.Collections$UnmodifiableSet) - locked <33f9f939> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98) at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310) at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "Hashed wheel timer #1" - Thread t@20 java.lang.Thread.State: TIMED_WAITING at java.lang.Thread.sleep(Native Method) at org.jboss.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:483) at org.jboss.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:392) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "flink-akka.remote.default-remote-dispatcher-16" - Thread t@31 java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <2455bc16> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool) at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Locked ownable synchronizers: - None "IOManager reader thread #1" - Thread t@29 java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <78af5afc> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$ReaderThread.run(IOManagerAsync.java:349) Locked ownable synchronizers: - None "IOManager writer thread #1" - Thread t@28 java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <407e944a> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at org.apache.flink.runtime.io.disk.iomanager.IOManagerAsync$WriterThread.run(IOManagerAsync.java:455) Locked ownable synchronizers: - None "flink-akka.remote.default-remote-dispatcher-14" - Thread t@25 java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <2455bc16> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool) at scala.concurrent.forkjoin.ForkJoinPool.idleAwaitWork(ForkJoinPool.java:2135) at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2067) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Locked ownable synchronizers: - None "New I/O server boss #6" - Thread t@24 java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87) - locked <183cb59b> (a sun.nio.ch.Util$2) - locked <39b6df8b> (a java.util.Collections$UnmodifiableSet) - locked <150e3c47> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102) at org.jboss.netty.channel.socket.nio.NioServerBoss.select(NioServerBoss.java:163) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212) at org.jboss.netty.channel.socket.nio.NioServerBoss.run(NioServerBoss.java:42) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - locked <6d3af755> (a java.util.concurrent.ThreadPoolExecutor$Worker) "New I/O worker #5" - Thread t@23 java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87) - locked <5997641d> (a sun.nio.ch.Util$2) - locked <622dd9de> (a java.util.Collections$UnmodifiableSet) - locked <303ab02d> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98) at org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:415) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - locked <4f2f2008> (a java.util.concurrent.ThreadPoolExecutor$Worker) "New I/O worker #4" - Thread t@22 java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87) - locked <5d047317> (a sun.nio.ch.Util$2) - locked <4f201ab6> (a java.util.Collections$UnmodifiableSet) - locked <44b9cb4f> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98) at org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:415) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - locked <10b37095> (a java.util.concurrent.ThreadPoolExecutor$Worker) "New I/O boss #3" - Thread t@21 java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87) - locked <1d2d2c9> (a sun.nio.ch.Util$2) - locked <380c8b0e> (a java.util.Collections$UnmodifiableSet) - locked <3f7d60e1> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98) at org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:415) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212) at org.jboss.netty.channel.socket.nio.NioClientBoss.run(NioClientBoss.java:42) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - locked <1465d8d2> (a java.util.concurrent.ThreadPoolExecutor$Worker) "New I/O worker #2" - Thread t@19 java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87) - locked <40637457> (a sun.nio.ch.Util$2) - locked <416b1cc7> (a java.util.Collections$UnmodifiableSet) - locked <5f2e6e5e> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98) at org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:415) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - locked <4708bd3f> (a java.util.concurrent.ThreadPoolExecutor$Worker) "New I/O worker #1" - Thread t@18 java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87) - locked <61500e23> (a sun.nio.ch.Util$2) - locked <4ed04dbe> (a java.util.Collections$UnmodifiableSet) - locked <4da01d5e> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98) at org.jboss.netty.channel.socket.nio.SelectorUtil.select(SelectorUtil.java:68) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.select(AbstractNioSelector.java:415) at org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:212) at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89) at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - locked <501a7f06> (a java.util.concurrent.ThreadPoolExecutor$Worker) "flink-akka.actor.default-dispatcher-5" - Thread t@16 java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <3639a75a> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool) at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Locked ownable synchronizers: - None "flink-akka.actor.default-dispatcher-4" - Thread t@15 java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <3639a75a> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool) at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Locked ownable synchronizers: - None "flink-akka.actor.default-dispatcher-3" - Thread t@14 java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <3639a75a> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool) at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2075) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Locked ownable synchronizers: - None "flink-akka.actor.default-dispatcher-2" - Thread t@13 java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <3639a75a> (a akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinPool) at scala.concurrent.forkjoin.ForkJoinPool.idleAwaitWork(ForkJoinPool.java:2135) at scala.concurrent.forkjoin.ForkJoinPool.scan(ForkJoinPool.java:2067) at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) Locked ownable synchronizers: - None "flink-scheduler-1" - Thread t@12 java.lang.Thread.State: TIMED_WAITING at java.lang.Thread.sleep(Native Method) at akka.actor.LightArrayRevolverScheduler.waitNanos(Scheduler.scala:226) at akka.actor.LightArrayRevolverScheduler$$anon$8.nextTick(Scheduler.scala:405) at akka.actor.LightArrayRevolverScheduler$$anon$8.run(Scheduler.scala:375) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "RMI TCP Accept-0" - Thread t@11 java.lang.Thread.State: RUNNABLE at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398) at java.net.ServerSocket.implAccept(ServerSocket.java:530) at java.net.ServerSocket.accept(ServerSocket.java:498) at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:52) at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:388) at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:360) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "RMI TCP Accept-3333" - Thread t@10 java.lang.Thread.State: RUNNABLE at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398) at java.net.ServerSocket.implAccept(ServerSocket.java:530) at java.net.ServerSocket.accept(ServerSocket.java:498) at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:388) at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:360) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "RMI TCP Accept-0" - Thread t@9 java.lang.Thread.State: RUNNABLE at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398) at java.net.ServerSocket.implAccept(ServerSocket.java:530) at java.net.ServerSocket.accept(ServerSocket.java:498) at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:388) at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:360) at java.lang.Thread.run(Thread.java:745) Locked ownable synchronizers: - None "Signal Dispatcher" - Thread t@4 java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Finalizer" - Thread t@3 java.lang.Thread.State: WAITING at java.lang.Object.wait(Native Method) - waiting on <31a2186> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209) Locked ownable synchronizers: - None "Reference Handler" - Thread t@2 java.lang.Thread.State: WAITING at java.lang.Object.wait(Native Method) - waiting on <288ee601> (a java.lang.ref.Reference$Lock) at java.lang.Object.wait(Object.java:503) at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133) Locked ownable synchronizers: - None "main" - Thread t@1 java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Native Method) - parking to wait for <e2a01da> (a java.util.concurrent.CountDownLatch$Sync) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834) at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303) at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:236) at akka.actor.ActorSystemImpl$TerminationCallbacks.ready(ActorSystem.scala:818) at akka.actor.ActorSystemImpl$TerminationCallbacks.ready(ActorSystem.scala:787) at scala.concurrent.Await$$anonfun$ready$1.apply(package.scala:86) at scala.concurrent.Await$$anonfun$ready$1.apply(package.scala:86) at scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53) at scala.concurrent.Await$.ready(package.scala:86) at akka.actor.ActorSystemImpl.awaitTermination(ActorSystem.scala:643) at akka.actor.ActorSystemImpl.awaitTermination(ActorSystem.scala:644) at org.apache.flink.runtime.taskmanager.TaskManager$.runTaskManager(TaskManager.scala:1315) at org.apache.flink.runtime.taskmanager.TaskManager$.selectNetworkInterfaceAndRunTaskManager(TaskManager.scala:1150) at org.apache.flink.runtime.taskmanager.TaskManager$.main(TaskManager.scala:1059) at org.apache.flink.runtime.taskmanager.TaskManager.main(TaskManager.scala) Locked ownable synchronizers: - None