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From "Nasser Ebrahim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9475) execution of org.apache.hadoop.hdfs.net.TcpPeerServer.close() causes timeout on Hadoop-2.6.0 with IBM-JDK-1.8
Date Sun, 20 Nov 2016 14:58:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15681274#comment-15681274
] 

Nasser Ebrahim commented on HDFS-9475:
--------------------------------------

Hi Rakesh,

We are interested to know whether this problem still exists with the latest level of IBM JDK
8.  We are happy to analyze the issue if it still exists. In that case, we have couple of
more questions to understand the issue better.
 - Whether the issue occurred only with s390x linux or it can be recreatable with intel/power
architecture of linux. 
 - If the problem is recreatable with other architectures of linux, whether the problem is
recreatable with openJDK or Oracle JDK 8?.

Thank you,
Nasser Ebrahim

> execution of org.apache.hadoop.hdfs.net.TcpPeerServer.close() causes timeout on Hadoop-2.6.0
with IBM-JDK-1.8
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-9475
>                 URL: https://issues.apache.org/jira/browse/HDFS-9475
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.6.0, 2.7.1
>         Environment: IBM JDK 1.8.0
> Architecture:  s390x GNU/Linux
>            Reporter: Rakesh Sharma
>            Priority: Blocker
>
> -------------------------------------------------------------------------------
> Test set: org.apache.hadoop.hdfs.server.balancer.TestBalancer
> -------------------------------------------------------------------------------
> Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 101.69 sec <<<
FAILURE! - in org.apache.hadoop.hdfs.server.balancer.TestBalancer
> testTwoReplicaShouldNotInSameDN(org.apache.hadoop.hdfs.server.balancer.TestBalancer)
 Time elapsed: 100.008 sec  <<< ERROR!
> java.lang.Exception: test timed out after 100000 milliseconds
> 	at java.nio.channels.spi.AbstractSelectableChannel.implCloseChannel(AbstractSelectableChannel.java:245)
> 	at java.nio.channels.spi.AbstractInterruptibleChannel.close(AbstractInterruptibleChannel.java:126)
> 	at sun.nio.ch.ServerSocketAdaptor.close(ServerSocketAdaptor.java:149)
> 	at org.apache.hadoop.hdfs.net.TcpPeerServer.close(TcpPeerServer.java:153)
> 	at org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.kill(DataXceiverServer.java:223)
> 	at org.apache.hadoop.hdfs.server.datanode.DataNode.shutdown(DataNode.java:1663)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdownDataNodes(MiniDFSCluster.java:1750)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1721)
> 	at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1705)
> 	at org.apache.hadoop.hdfs.server.balancer.TestBalancer.testTwoReplicaShouldNotInSameDN(TestBalancer.java:1382)



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