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From "Lohit Vijayarenu (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4697) KFS::getBlockLocations() fails with files having multiple blocks
Date Thu, 20 Nov 2008 19:44:44 GMT
KFS::getBlockLocations() fails with files having multiple blocks
----------------------------------------------------------------

                 Key: HADOOP-4697
                 URL: https://issues.apache.org/jira/browse/HADOOP-4697
             Project: Hadoop Core
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.17.0
         Environment: Hadoop on KFS
            Reporter: Lohit Vijayarenu
            Assignee: Sriram Rao
             Fix For: 0.19.1


getBlockLocations() on KFS fail with the following stack trace for large files (with multiple
blocks).
{noformat}
 java.lang.IllegalArgumentException: Offset 67108864 is outside of file
 (0..67108863)
        at
 org.apache.hadoop.mapred.FileInputFormat.getBlockIndex(FileInputFormat.java:336)
        at
 org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:248)
        at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:742)
        at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1026)
        at org.apache.hadoop.examples.WordCount.run(WordCount.java:149)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
        at org.apache.hadoop.examples.WordCount.main(WordCount.java:155)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
 sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at
 org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
        at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:141)
        at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:54)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
{noformat}

blkStart was not updated properly.

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