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https://issues.apache.org/jira/browse/HDFS-10405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15284162#comment-15284162
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Xiaobing Zhou commented on HDFS-10405:
--------------------------------------
The stack trace:
{noformat}
Picked up _JAVA_OPTIONS: -Dfile.encoding=UTF-8
Running org.apache.hadoop.hdfs.server.namenode.TestEditLog
Tests run: 48, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 109.01 sec <<<
FAILURE! - in org.apache.hadoop.hdfs.server.namenode.TestEditLog
testResetThreadLocalCachedOps[0](org.apache.hadoop.hdfs.server.namenode.TestEditLog)
Time elapsed: 11.898 sec <<< ERROR!
java.io.IOException: Timed out waiting for Mini HDFS Cluster to start
at
org.apache.hadoop.hdfs.MiniDFSCluster.waitClusterUp(MiniDFSCluster.java:1345)
at
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:848)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:482)
at
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:441)
at
org.apache.hadoop.hdfs.server.namenode.TestEditLog.testResetThreadLocalCachedOps(TestEditLog.java:1567)
testReadActivelyUpdatedLog[1](org.apache.hadoop.hdfs.server.namenode.TestEditLog)
Time elapsed: 2.433 sec <<< ERROR!
java.lang.IllegalStateException: failed to create a child event loop
at sun.nio.ch.KQueueArrayWrapper.init(Native Method)
at sun.nio.ch.KQueueArrayWrapper.<init>(KQueueArrayWrapper.java:100)
at sun.nio.ch.KQueueSelectorImpl.<init>(KQueueSelectorImpl.java:87)
at
sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:42)
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:122)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.startInfoServer(DataNode.java:891)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1285)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:479)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2584)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2472)
at
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1592)
at
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:844)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:482)
at
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:441)
at
org.apache.hadoop.hdfs.server.namenode.TestEditLog.testReadActivelyUpdatedLog(TestEditLog.java:1647){noformat}
> Test failure on trunk: TestEditLog
> ----------------------------------
>
> Key: HDFS-10405
> URL: https://issues.apache.org/jira/browse/HDFS-10405
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.8.0
> Reporter: Xiaobing Zhou
>
> It's been noticed there are some test failures: TestEditLog and
> TestReconstructStripedBlocks
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