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Date: Mon, 9 May 2016 13:23:12 +0000 (UTC)
From: "Kihwal Lee (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12965473.1462501384000.142182.1462800192944@Atlassian.JIRA>
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References: <JIRA.12965473.1462501384000@Atlassian.JIRA> <JIRA.12965473.1462501384239@arcas>
Subject: [jira] [Commented] (HDFS-10372) Fix for failing
 TestFsDatasetImpl#testCleanShutdownOfVolume
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archived-at: Mon, 09 May 2016 13:23:15 -0000


    [ https://issues.apache.org/jira/browse/HDFS-10372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15276350#comment-15276350 ] 

Kihwal Lee commented on HDFS-10372:
-----------------------------------

[~shahrs87], it's up to you to decide whether to improve it as [~iwasakims] suggested.

> Fix for failing TestFsDatasetImpl#testCleanShutdownOfVolume
> -----------------------------------------------------------
>
>                 Key: HDFS-10372
>                 URL: https://issues.apache.org/jira/browse/HDFS-10372
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.7.3
>            Reporter: Rushabh S Shah
>            Assignee: Rushabh S Shah
>         Attachments: HDFS-10372.patch
>
>
> TestFsDatasetImpl#testCleanShutdownOfVolume fails very often.
> We added more debug information in HDFS-10260 to find out why this test is failing.
> Now I think I know the root cause of failure.
> I thought that {{LocatedBlock#getLocations()}} returns an array of DatanodeInfo but now I realized that it returns an array of DatandeStorageInfo (which is subclass of DatanodeInfo).
> In the test I intended to check whether the exception contains the xfer address of the DatanodeInfo. Since {{DatanodeInfo#toString()}} method returns the xfer address, I checked whether exception contains {{DatanodeInfo#toString}} or not.
> But since  {{LocatedBlock#getLocations()}} returned an array of DatanodeStorageInfo, it has storage info in the toString() implementation.


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