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https://issues.apache.org/jira/browse/HDFS-13614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488493#comment-16488493
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Surendra Singh Lilhore commented on HDFS-13614:
-----------------------------------------------
{noformat}
java.io.IOException: Failed on local exception: java.io.IOException: Couldn't
set up IO streams; Host Details : local host is: "XXXXXXXXXXX"; destination
host is: "XXXXXXXXXXX;
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:799)
at org.apache.hadoop.ipc.Client.call(Client.java:1522)
at org.apache.hadoop.ipc.Client.call(Client.java:1454)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)
at com.sun.proxy.$Proxy15.blockReceivedAndDeleted(Unknown Source)
at
org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB.blockReceivedAndDeleted(DatanodeProtocolClientSideTranslatorPB.java:251)
at
org.apache.hadoop.hdfs.server.datanode.IncrementalBlockReportManager.sendIBRs(IncrementalBlockReportManager.java:180)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:575)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:718)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Couldn't set up IO streams
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:834)
at org.apache.hadoop.ipc.Client$Connection.access$2900(Client.java:394)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1571)
at org.apache.hadoop.ipc.Client.call(Client.java:1493)
... 8 more
Caused by: java.util.NoSuchElementException
at java.util.LinkedList.removeLast(LinkedList.java:283)
at
org.apache.hadoop.net.SocketIOWithTimeout$SelectorPool.get(SocketIOWithTimeout.java:414)
at
org.apache.hadoop.net.SocketIOWithTimeout$SelectorPool.select(SocketIOWithTimeout.java:325)
at
org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:203)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:652)
at
org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:757){noformat}
> DN failed to connect with NN because of NPE in SocketIOWithTimeout
> ------------------------------------------------------------------
>
> Key: HDFS-13614
> URL: https://issues.apache.org/jira/browse/HDFS-13614
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.2
> Reporter: Surendra Singh Lilhore
> Priority: Major
>
> {\{LinkedList$ListItr.next()}} is throwing NPE in {{SocketIOWithTimeout}}.
> Because of this socket connections are failing. It may be java bug also..
> https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8023148
>
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