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From "Brandon Li (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3833) TestDFSShell fails on Windows due to file read write race
Date Tue, 21 Aug 2012 23:48:38 GMT
Brandon Li created HDFS-3833:
--------------------------------

             Summary: TestDFSShell fails on Windows due to file read write race
                 Key: HDFS-3833
                 URL: https://issues.apache.org/jira/browse/HDFS-3833
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: test
    Affects Versions: 1-win
            Reporter: Brandon Li
            Assignee: Brandon Li


TestDFSShell sometimes fails due to the race between the write issued by the test and blockscanner.
Example stack trace:
{noformat}
Error Message

c:\A\HM\build\test\data\dfs\data\data1\current\blk_-7735708801221347790 (The requested operation
cannot be performed on a file with a user-mapped section open)

Stacktrace

java.io.FileNotFoundException: c:\A\HM\build\test\data\dfs\data\data1\current\blk_-7735708801221347790
(The requested operation cannot be performed on a file with a user-mapped section open)
	at java.io.FileOutputStream.open(Native Method)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:145)
	at java.io.PrintWriter.<init>(PrintWriter.java:218)
	at org.apache.hadoop.hdfs.TestDFSShell.corrupt(TestDFSShell.java:1133)
	at org.apache.hadoop.hdfs.TestDFSShell.testGet(TestDFSShell.java:1231)
{noformat}

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