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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10935) TestFileChecksum tests are failing after HDFS-10460 (Mac only?)
Date Wed, 12 Oct 2016 10:42:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15568361#comment-15568361
] 

Wei-Chiu Chuang commented on HDFS-10935:
----------------------------------------

I ran the tests in multiple JDK versions ranging from JDK 1.8.0_05 to JDK 1.8.0_102 on CentOS
6.5 (I tested both with/without native libisal library), and I got the following error for
all tests in TestFileChecksum.:

testStripedFileChecksumWithMissedDataBlocksRangeQuery5(org.apache.hadoop.hdfs.TestFileChecksum)
 Time elapsed: 4.436 sec  <<< ERROR!
java.lang.IllegalStateException: failed to create a child event loop
        at sun.nio.ch.IOUtil.makePipe(Native Method)
        at sun.nio.ch.EPollSelectorImpl.<init>(EPollSelectorImpl.java:65)
        at sun.nio.ch.EPollSelectorProvider.openSelector(EPollSelectorProvider.java:36)
        at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:125)
        at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:119)
        at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:97)
        at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:31)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:77)
        at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:50)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:58)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:46)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:38)
        at org.apache.hadoop.hdfs.server.datanode.web.DatanodeHttpServer.<init>(DatanodeHttpServer.java:132)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.startInfoServer(DataNode.java:913)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1353)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:489)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2671)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2559)
        at org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1613)
        at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:860)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:491)
        at org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:450)
        at org.apache.hadoop.hdfs.TestFileChecksum.setup(TestFileChecksum.java:78)

Maybe it's just my env issue. Can't tell.

> TestFileChecksum tests are failing after HDFS-10460 (Mac only?)
> ---------------------------------------------------------------
>
>                 Key: HDFS-10935
>                 URL: https://issues.apache.org/jira/browse/HDFS-10935
>             Project: Hadoop HDFS
>          Issue Type: Bug
>         Environment: JDK 1.8.0_91 on Mac OS X Yosemite 10.10.5
>            Reporter: Wei-Chiu Chuang
>            Assignee: SammiChen
>
> On my Mac, TestFileChecksum has been been failing since HDFS-10460. However, the jenkins
jobs have not reported the failures. Maybe it's an issue with my Mac or JDK.
> 9 out of 21 tests failed. 
> {noformat}
> java.lang.AssertionError: Checksum mismatches!
> 	at org.junit.Assert.fail(Assert.java:88)
> 	at org.junit.Assert.assertTrue(Assert.java:41)
> 	at org.apache.hadoop.hdfs.TestFileChecksum.testStripedFileChecksumWithMissedDataBlocksRangeQuery(TestFileChecksum.java:227)
> 	at org.apache.hadoop.hdfs.TestFileChecksum.testStripedFileChecksumWithMissedDataBlocksRangeQuery10(TestFileChecksum.java:336)
> 	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$1.runReflectiveCall(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> {noformat}



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