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https://issues.apache.org/jira/browse/HDFS-586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12750654#action_12750654
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Hairong Kuang commented on HDFS-586:
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1. add a log message before the test goes to sleep.
2. instead of using while(true), I would prefer to put break condition there.
3, better use logging instead of System.out.print.
> TestBlocksWithNotEnoughRacks fails
> ----------------------------------
>
> Key: HDFS-586
> URL: https://issues.apache.org/jira/browse/HDFS-586
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 0.21.0
> Reporter: Hairong Kuang
> Assignee: Jitendra Nath Pandey
> Fix For: 0.21.0
>
> Attachments: HDFS-586.1.patch
>
>
> TestBlocksWithNotEnoughRacks failed with the following error on my Mac laptop:
> {noformat}
> Testcase: testUnderReplicatedNotEnoughRacks took 33.209 sec
> FAILED
> null
> junit.framework.AssertionFailedError: null
> at
> org.apache.hadoop.hdfs.server.namenode.TestBlocksWithNotEnoughRacks.testUnderReplicatedNotEnoughRacks(TestBlocksWithNotEnoughRacks.java:127)
> {noformat}
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