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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4000) TestParallelLocalRead fails with "input ByteBuffers must be direct buffers"
Date Thu, 04 Oct 2012 02:45:07 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins updated HDFS-4000:
------------------------------

          Resolution: Fixed
       Fix Version/s: 2.0.3-alpha
    Target Version/s:   (was: 2.0.3-alpha)
        Hadoop Flags: Reviewed
              Status: Resolved  (was: Patch Available)

I've committed this and merged to branch-2. Thanks Colin.
                
> TestParallelLocalRead fails with "input ByteBuffers must be direct buffers"
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-4000
>                 URL: https://issues.apache.org/jira/browse/HDFS-4000
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.0.3-alpha
>            Reporter: Eli Collins
>            Assignee: Colin Patrick McCabe
>             Fix For: 2.0.3-alpha
>
>         Attachments: HDFS-4000.001.patch
>
>
> I think this may be related to HDFS-3753, passes when I revert it. Here's failure. Looks
like it needs the same fix as TestShortCircuitLocalRead, not sure why that didn't show up
in the jenkins run.
> {noformat}
> java.lang.AssertionError: Check log for errors
> 	at org.junit.Assert.fail(Assert.java:91)
> 	at org.apache.hadoop.hdfs.TestParallelReadUtil.runTestWorkload(TestParallelReadUtil.java:373)
> 	at org.apache.hadoop.hdfs.TestParallelLocalRead.testParallelReadByteBuffer(TestParallelLocalRead.java:61)
> {noformat}
> {noformat}
> 2012-10-02 15:39:49,481 ERROR hdfs.TestParallelReadUtil (TestParallelReadUtil.java:run(227))
- ReadWorker-1-/TestParallelRead.dat.0: Error while testing read at 199510 length 14773
> java.lang.IllegalArgumentException: input ByteBuffers must be direct buffers
> 	at org.apache.hadoop.util.NativeCrc32.nativeVerifyChunkedSums(Native Method)
> 	at org.apache.hadoop.util.NativeCrc32.verifyChunkedSums(NativeCrc32.java:57)
> 	at org.apache.hadoop.util.DataChecksum.verifyChunkedSums(DataChecksum.java:291)
> 	at org.apache.hadoop.hdfs.BlockReaderLocal.doByteBufferRead(BlockReaderLocal.java:501)
> 	at org.apache.hadoop.hdfs.BlockReaderLocal.read(BlockReaderLocal.java:409)
> 	at org.apache.hadoop.hdfs.DFSInputStream$ByteBufferStrategy.doRead(DFSInputStream.java:561)
> 	at org.apache.hadoop.hdfs.DFSInputStream.readBuffer(DFSInputStream.java:594)
> 	at org.apache.hadoop.hdfs.DFSInputStream.readWithStrategy(DFSInputStream.java:648)
> 	at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:696)
> 	at org.apache.hadoop.hdfs.TestParallelReadUtil$DirectReadWorkerHelper.read(TestParallelReadUtil.java:91)
> 	at org.apache.hadoop.hdfs.TestParallelReadUtil$DirectReadWorkerHelper.pRead(TestParallelReadUtil.java:104)
> 	at org.apache.hadoop.hdfs.TestParallelReadUtil$ReadWorker.pRead(TestParallelReadUtil.java:275)
> 	at org.apache.hadoop.hdfs.TestParallelReadUtil$ReadWorker.run(TestParallelReadUtil.java:223)
> {noformat}

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