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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10291) TestShortCircuitLocalRead failing
Date Thu, 14 Apr 2016 12:24:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15241038#comment-15241038
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Steve Loughran commented on HDFS-10291:
---------------------------------------

{code}
java.lang.IndexOutOfBoundsException: Requested more bytes than destination buffer size
	at org.apache.hadoop.fs.FSInputStream.validatePositionedReadArgs(FSInputStream.java:107)
	at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:975)
	at java.io.DataInputStream.read(DataInputStream.java:149)
	at org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead.checkFileContent(TestShortCircuitLocalRead.java:157)
	at org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead.doTestShortCircuitReadImpl(TestShortCircuitLocalRead.java:286)
	at org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead.doTestShortCircuitRead(TestShortCircuitLocalRead.java:241)
	at org.apache.hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead.testSmallFileLocalRead(TestShortCircuitLocalRead.java:308)
{code}

> TestShortCircuitLocalRead failing
> ---------------------------------
>
>                 Key: HDFS-10291
>                 URL: https://issues.apache.org/jira/browse/HDFS-10291
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.8.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>
> {{TestShortCircuitLocalRead}} failing as length of read is considered off end of buffer.
There's an off-by-one error somewhere in the test or the new validation code



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