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Posted to dev@nutch.apache.org by "wilco sheh (JIRA)" <ji...@apache.org> on 2014/11/25 07:59:12 UTC
[jira] [Resolved] (NUTCH-1891) Can't run nutch2.3-snapshot on
hadoop2.4.0 using gora0.5 and mongodb as backend datastore
[ https://issues.apache.org/jira/browse/NUTCH-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
wilco sheh resolved NUTCH-1891.
-------------------------------
Resolution: Fixed
> Can't run nutch2.3-snapshot on hadoop2.4.0 using gora0.5 and mongodb as backend datastore
> -----------------------------------------------------------------------------------------
>
> Key: NUTCH-1891
> URL: https://issues.apache.org/jira/browse/NUTCH-1891
> Project: Nutch
> Issue Type: Bug
> Components: storage
> Affects Versions: 2.3
> Environment: nutch-2.3-snapshot, hadoop2.4,gora0.5 mongodb
> Reporter: wilco sheh
> Priority: Critical
> Fix For: 2.3
>
>
> java.lang.Exception: java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
> at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462)
> at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:522)
> Caused by: java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
> at org.apache.gora.mapreduce.GoraOutputFormat.getRecordWriter(GoraOutputFormat.java:83)
> at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.<init>(MapTask.java:624)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:744)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:744)
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