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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9626) TestBlockReplacement#testBlockReplacement fails occasionally
Date Thu, 07 Jan 2016 19:46:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15087975#comment-15087975
] 

Xiao Chen commented on HDFS-9626:
---------------------------------


Error Message
{noformat}
Did not achieve expected replication to expected nodes after more than 20000 msec. See logs
for details.
{noformat}
Stacktrace
{noformat}
java.util.concurrent.TimeoutException: Did not achieve expected replication to expected nodes
after more than
20000 msec. See logs for details.
at
org.apache.hadoop.hdfs.server.datanode.TestBlockReplacement.checkBlocks(TestBlockReplacement.java:296)
at
org.apache.hadoop.hdfs.server.datanode.TestBlockReplacement.testBlockReplacement(TestBlockReplacement.java:202)
at
org.apache.hadoop.hdfs.server.datanode.TestBlockReplacement.testBlockReplacement(TestBlockReplacement.java:99)
{noformat}
And the most interested logs are:
{noformat}
2016-01-07 11:01:08,434 [main] INFO  hdfs.TestBlockReplacement (TestBlockReplacement.java:checkBlocks(301))
- Block is not located at 127.0.0.1:61050
2016-01-07 11:01:08,435 [main] INFO  hdfs.TestBlockReplacement (TestBlockReplacement.java:checkBlocks(313))
- Expected replica nodes are: 127.0.0.1:61045, 127.0.0.1:61050, 
2016-01-07 11:01:08,435 [main] INFO  hdfs.TestBlockReplacement (TestBlockReplacement.java:checkBlocks(314))
- Current actual replica nodes are: DatanodeInfoWithStorage[127.0.0.1:61045,DS-11926750-8c6a-4a6a-bd72-6e6adb5ef153,DISK],
DatanodeInfoWithStorage[127.0.0.1:61062,DS-b67e96ac-b53d-4540-825a-4e0d0a412c35,DISK], DatanodeInfoWithStorage[127.0.0.1:61054,DS-18ab56c7-16f3-46a5-8369-5596f385c73b,DISK],

{noformat}

> TestBlockReplacement#testBlockReplacement fails occasionally
> ------------------------------------------------------------
>
>                 Key: HDFS-9626
>                 URL: https://issues.apache.org/jira/browse/HDFS-9626
>             Project: Hadoop HDFS
>          Issue Type: Test
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>
> testBlockPlacement sometimes fail in test case 4 in {{checkBlocks}}. I'll post the detailed
error in comment.
> Thanks [~jojochuang] for helping identify the issue.



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