tomscut created HDFS-16506:
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Summary: Unit tests failed because of OutOfMemoryError
Key: HDFS-16506
URL: https://issues.apache.org/jira/browse/HDFS-16506
Project: Hadoop HDFS
Issue Type: Bug
Reporter: tomscut
Unit tests failed because of OutOfMemoryError.
An example:
[[OutOfMemoryError|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4009/5/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt].|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4009/5/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt]
{code:java}
[ERROR] Tests run: 32, Failures: 0, Errors: 3, Skipped: 0, Time elapsed: 95.727
s <<< FAILURE! - in
org.apache.hadoop.hdfs.server.blockmanagement.TestBlockInfoStriped
[ERROR] testGetBlockInfo[4: ErasureCodingPolicy=[Name=RS-10-4-1024k,
Schema=[ECSchema=[Codec=rs, numDataUnits=10, numParityUnits=4]],
CellSize=1048576,
Id=5]](org.apache.hadoop.hdfs.server.blockmanagement.TestBlockInfoStriped)
Time elapsed: 15.831 s <<< ERROR!
java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:717)
at
io.netty.util.concurrent.ThreadPerTaskExecutor.execute(ThreadPerTaskExecutor.java:32)
at
io.netty.util.internal.ThreadExecutorMap$1.execute(ThreadExecutorMap.java:57)
at
io.netty.util.concurrent.SingleThreadEventExecutor.doStartThread(SingleThreadEventExecutor.java:975)
at
io.netty.util.concurrent.SingleThreadEventExecutor.ensureThreadStarted(SingleThreadEventExecutor.java:958)
at
io.netty.util.concurrent.SingleThreadEventExecutor.shutdownGracefully(SingleThreadEventExecutor.java:660)
at
io.netty.util.concurrent.MultithreadEventExecutorGroup.shutdownGracefully(MultithreadEventExecutorGroup.java:163)
at
io.netty.util.concurrent.AbstractEventExecutorGroup.shutdownGracefully(AbstractEventExecutorGroup.java:70)
at
org.apache.hadoop.hdfs.server.datanode.web.DatanodeHttpServer.close(DatanodeHttpServer.java:346)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown(DataNode.java:2348)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNode(MiniDFSCluster.java:2166)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNodes(MiniDFSCluster.java:2156)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:2135)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:2109)
at
org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:2102)
at org.apache.hadoop.hdfs.MiniDFSCluster.close(MiniDFSCluster.java:3479)
at
org.apache.hadoop.hdfs.server.blockmanagement.TestBlockInfoStriped.testGetBlockInfo(TestBlockInfoStriped.java:257)
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$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748) {code}
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