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Pig >> mail # user >> run pig 0.12.0 under hadoop 2.2.0


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Re: run pig 0.12.0 under hadoop 2.2.0
you have the wrong hadoop on your classpath, or you did not recompile
against hadoop 2.
On Thu, Dec 12, 2013 at 12:18 PM, qiaoresearcher
<[EMAIL PROTECTED]>wrote:

> Everything was fine with hadoop 1.x and pig 0.11.
> Recently I installed hadoop 2.2.0 and pig 0.12.0, and run some simple one
> line script : load some csv file data into a relation. The job is failed.
>
> The error log message is given below:
>
> $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
>
> Backend error message during job submission
> -------------------------------------------
> Unexpected System Error Occured: java.lang.IncompatibleClassChangeError:
> Found interface org.apache.hadoop.mapreduce.JobContext, but class was
> expected
> at
>
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.setupUdfEnvAndStores(PigOutputFormat.java:225)
> at
>
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat.checkOutputSpecs(PigOutputFormat.java:186)
> at
> org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:456)
> at
>
> org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:342)
> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1268)
> at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1265)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
>
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
> at org.apache.hadoop.mapreduce.Job.submit(Job.java:1265)
> at
>
> org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob.submit(ControlledJob.java:335)
> at
>
> org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl.run(JobControl.java:240)
> at
> org.apache.pig.backend.hadoop20.PigJobControl.run(PigJobControl.java:121)
> at java.lang.Thread.run(Thread.java:722)
> at
>
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$1.run(MapReduceLauncher.java:270)
>
> Pig Stack Trace
> ---------------
> ERROR 1066: Unable to open iterator for alias batting
>
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to
> open iterator for alias batting
> at org.apache.pig.PigServer.openIterator(PigServer.java:880)
> at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:774)
> at
>
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:372)
> at
>
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:198)
> at
>
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:173)
> at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:69)
> at org.apache.pig.Main.run(Main.java:541)
> at org.apache.pig.Main.main(Main.java:156)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:601)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
> Caused by: java.io.IOException: Job terminated with anomalous status FAILED
> at org.apache.pig.PigServer.openIterator(PigServer.java:872)
> ... 12 more
>
> ===============================================================================>
> Any comments? thanks!
>