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From "Rushabh S Shah (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10372) Fix for failing TestFsDatasetImpl#testCleanShutdownOfVolume
Date Fri, 06 May 2016 02:23:12 GMT
Rushabh S Shah created HDFS-10372:

             Summary: 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

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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