[
https://issues.apache.org/jira/browse/NUTCH-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
wilco sheh updated NUTCH-1891:
------------------------------
Description:
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$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
was:
java.lang.Exception: java.lang.IncompatibleClassChangeError: Found interface
org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
at
org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462)
at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:522)
Caused by: java.lang.IncompatibleClassChangeError: Found interface
org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
at
org.apache.gora.mapreduce.GoraOutputFormat.getRecordWriter(GoraOutputFormat.java:83)
> Can't run nutch2.3-snapshot on hadoop2.4.0 using gora0.5 and mongodb as
> backend datastore
> -----------------------------------------------------------------------------------------
>
> Key: NUTCH-1891
> URL: https://issues.apache.org/jira/browse/NUTCH-1891
> Project: Nutch
> Issue Type: Bug
> Components: storage
> Affects Versions: 2.3
> Environment: nutch-2.3-snapshot, hadoop2.4,gora0.5 mongodb
> Reporter: wilco sheh
> Priority: Critical
> Fix For: 2.3
>
>
> java.lang.Exception: java.lang.IncompatibleClassChangeError: Found interface
> org.apache.hadoop.mapreduce.TaskAttemptContext, but class was expected
> at
> org.apache.hadoop.mapred.LocalJobRunner$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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