Ewan Higgs created HDFS-13579: --------------------------------- Summary: Out of memory when running TestDFSStripedOutputStreamWithFailure testCloseWithExceptionsInStreamer Key: HDFS-13579 URL: https://issues.apache.org/jira/browse/HDFS-13579 Project: Hadoop HDFS Issue Type: Bug Reporter: Ewan Higgs
When running TestDFSStripedOutputStreamWithFailure testCloseWithExceptionsInStreamer we often get OOM errors. It's not every time, but it occurs frequently. We have reproduced this on a few different machines. This seems to have been introduced in f83716b7f2e5b63e4c2302c374982755233d4dd6 by HDFS-13251. Output from the test: {code:java} java.lang.OutOfMemoryError: unable to create new native thread at java.lang.Thread.start0(Native Method) at java.lang.Thread.start(Thread.java:714) at io.netty.util.concurrent.SingleThreadEventExecutor.shutdownGracefully(SingleThreadEventExecutor.java:578) at io.netty.util.concurrent.MultithreadEventExecutorGroup.shutdownGracefully(MultithreadEventExecutorGroup.java:146) at io.netty.util.concurrent.AbstractEventExecutorGroup.shutdownGracefully(AbstractEventExecutorGroup.java:69) at org.apache.hadoop.hdfs.server.datanode.web.DatanodeHttpServer.close(DatanodeHttpServer.java:270) at org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown(DataNode.java:2023) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNode(MiniDFSCluster.java:2023) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNodes(MiniDFSCluster.java:2013) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1992) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1966) at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1959) at org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailureBase.tearDown(TestDFSStripedOutputStreamWithFailureBase.java:222) at org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure.testCloseWithExceptionsInStreamer(TestDFSStripedOutputStreamWithFailure.java:266) 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: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.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) 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$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.junit.runner.JUnitCore.run(JUnitCore.java:160) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:54) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70){code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org