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Posted to common-dev@hadoop.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2007/04/04 22:48:32 UTC

[jira] Resolved: (HADOOP-1058) ClassCastException in TextInputFormat.getRecordReader

     [ https://issues.apache.org/jira/browse/HADOOP-1058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley resolved HADOOP-1058.
-----------------------------------

    Resolution: Duplicate

This was fixed by removing the port rolling in mini-mr cluster in HADOOP-1085.

> ClassCastException in TextInputFormat.getRecordReader
> -----------------------------------------------------
>
>                 Key: HADOOP-1058
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1058
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.11.2
>            Reporter: Nigel Daley
>
> Running TestMiniMRLocalFS on Linux, I saw this exception during the 3rd job that it runs: 
>     [junit] 2007-02-28 21:10:14,739 INFO  mapred.TaskRunner (MapTaskRunner.java:close(46)) - task_0003_m_000001_0 done; removing files.
>     [junit] 2007-02-28 21:10:14,746 INFO  mapred.TaskInProgress (TaskInProgress.java:updateStatus(328)) - Error from task_0003_m_000001_0: java.lang.ClassCastException: org.apache.hadoop.mapred.TestMiniMRLocalFS$MyInputFormat$MySplit
>     [junit] 	at org.apache.hadoop.mapred.TextInputFormat.getRecordReader(TextInputFormat.java:46)
>     [junit] 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:145)
>     [junit] 	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1444)
>     [junit] 2007-02-28 21:10:14,747 INFO  mapred.TaskInProgress (TaskInProgress.java:failedSubTask(380)) - Task 'task_0003_m_000001_0' has been lost.
>     [junit] 2007-02-28 21:10:14,748 INFO  mapred.JobTracker (JobTracker.java:removeMarkedTasks(802)) - Removed completed task 'task_0003_m_000001_0' from 'tracker_foo.com:60042'
>     [junit] 2007-02-28 21:10:15,145 INFO  mapred.TaskTracker (TaskTracker.java:reportProgress(1056)) - task_0003_r_000000_0 0.11111112% reduce > copy (1 of 3 at 0.00 MB/s) > 
>     [junit] 2007-02-28 21:10:15,373 INFO  mapred.JobClient (JobClient.java:runJob(584)) - Task Id : task_0003_m_000001_0, Status : FAILED
>     [junit] task_0003_m_000001_0: 2007-02-28 21:10:11,670 WARN  mapred.TaskTracker (TaskTracker.java:main(1449)) - Error running child
>     [junit] task_0003_m_000001_0: java.lang.ClassCastException: org.apache.hadoop.mapred.TestMiniMRLocalFS$MyInputFormat$MySplit
>     [junit] task_0003_m_000001_0: 	at org.apache.hadoop.mapred.TextInputFormat.getRecordReader(TextInputFormat.java:46)
>     [junit] task_0003_m_000001_0: 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:145)
>     [junit] task_0003_m_000001_0: 	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1444)

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