Lei (Eddy) Xu created HDFS-12994:
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Summary: TestReconstructStripedFile.testNNSendsErasureCodingTasks
fails due to socket timeout
Key: HDFS-12994
URL: https://issues.apache.org/jira/browse/HDFS-12994
Project: Hadoop HDFS
Issue Type: Bug
Components: erasure-coding
Affects Versions: 3.0.0
Reporter: Lei (Eddy) Xu
Assignee: Lei (Eddy) Xu
Occasionally, {{testNNSendsErasureCodingTasks}} fails due to socket timeout
{code}
2017-12-26 20:35:19,961 [StripedBlockReconstruction-0] INFO datanode.DataNode
(StripedBlockReader.java:createBlockReader(132)) - Exception while creating
remote block reader, datanode 127.0.0.1:34145
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at
org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedBlockReader.newConnectedPeer(StripedBlockReader.java:148)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedBlockReader.createBlockReader(StripedBlockReader.java:123)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedBlockReader.<init>(StripedBlockReader.java:83)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedReader.createReader(StripedReader.java:169)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedReader.initReaders(StripedReader.java:150)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedReader.init(StripedReader.java:133)
at
org.apache.hadoop.hdfs.server.datanode.erasurecode.StripedBlockReconstructor.run(StripedBlockReconstructor.java:56)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
{code}
while the target datanode is removed in the test:
{code}
2017-12-26 20:35:18,710 [Thread-2393] INFO net.NetworkTopology
(NetworkTopology.java:remove(219)) - Removing a node:
/default-rack/127.0.0.1:34145
{code}
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