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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1891) TestBackupNode fails intermittently
Date Wed, 04 May 2011 21:11:03 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13028963#comment-13028963
] 

Suresh Srinivas commented on HDFS-1891:
---------------------------------------

TestBackupNode failure is due to ipv6 address returned by java Socket.getLocalSocketAddress().
The returned address 0:0:0:0:0:0:0:0:50100.

We need to disable IPV6 by setting system property java.net.preferIPv4Stack to true,
as indicated in http://download.oracle.com/javase/6/docs/technotes/guides/net/ipv6_guide/index.html

{noformat}
2011-05-04 19:52:31,378 INFO  namenode.NameNode (NameNode.java:initialize(410)) - Backup Node
up at: 0:0:0:0:0:0:0:0/0:0:0:0:0:0:0:0:50100
2011-05-04 19:52:31,381 INFO  namenode.Checkpointer (Checkpointer.java:initialize(110)) -
Checkpoint Period : 3600 secs (60 min)
2011-05-04 19:52:31,381 INFO  namenode.Checkpointer (Checkpointer.java:initialize(112)) -
Log Size Trigger  : 67108864 bytes (65536 KB)
2011-05-04 19:52:31,382 INFO  namenode.TestBackupNode (TestBackupNode.java:waitCheckpointDone(95))
- Waiting checkpoint to complete...
2011-05-04 19:52:31,383 INFO  namenode.FSNamesystem (FSNamesystem.java:startCheckpoint(4548))
- Start checkpoint for 0:0:0:0:0:0:0:0:50100
2011-05-04 19:52:31,422 INFO  ipc.Server (Server.java:run(1422)) - IPC Server handler 2 on
47860, call startCheckpoint(NamenodeRegistration(0:0:0:0:0:0:0:0:50100, role=Backup Node)),
rpc version=1, client version=5, methodsFingerPrint=302283637 from 127.0.0.1:48060: error:
java.io.IOException: java.lang.NumberFormatException: For input string: "0:0:0:0:0:0:0:50100"
java.io.IOException: java.lang.NumberFormatException: For input string: "0:0:0:0:0:0:0:50100"
{noformat}

> TestBackupNode fails intermittently
> -----------------------------------
>
>                 Key: HDFS-1891
>                 URL: https://issues.apache.org/jira/browse/HDFS-1891
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.23.0
>            Reporter: Suresh Srinivas
>            Assignee: Giridharan Kesavan
>
> TestBackupNode fails due to unexpected ipv6 address format.

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