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Manoj Govindassamy commented on HDFS-12994: ------------------------------------------- [~eddyxu], The intention is to let client detect DN issues quicker? And, the problem should happen always when the DN is removed right? Just trying to understand the core issue. Thanks. > 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 > Attachments: HDFS-12994.00.patch, HDFS-12994.01.patch > > > 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} -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org