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Date: Tue, 27 Mar 2012 02:49:26 +0000 (UTC)
From: "Jonathan Coveney (Commented) (JIRA)" <jira@apache.org>
To: pig-dev@hadoop.apache.org
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Subject: [jira] [Commented] (PIG-2540) AvroStorage can't read schema on
 amazon s3 in elastic mapreduce
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    [ https://issues.apache.org/jira/browse/PIG-2540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239128#comment-13239128 ] 

Jonathan Coveney commented on PIG-2540:
---------------------------------------

Committed to 0.10 (r1305716) and trunk (r1305715). Testing on 0.9 now.
                
> AvroStorage can't read schema on amazon s3 in elastic mapreduce
> ---------------------------------------------------------------
>
>                 Key: PIG-2540
>                 URL: https://issues.apache.org/jira/browse/PIG-2540
>             Project: Pig
>          Issue Type: Bug
>          Components: data, piggybank
>    Affects Versions: 0.9.1, 0.10
>         Environment: Amazon Elastic MapReduce
>            Reporter: Russell Jurney
>            Assignee: Russell Jurney
>            Priority: Critical
>              Labels: avro, avro_udf, aws, emr, pants, pig, s3, sad, unhappy
>             Fix For: 0.10
>
>         Attachments: PIG-2540.tests_fail.patch, PIG-2540.tests_fail.patch.2, PIG-2540_almost_there.patch, TEST-org.apache.pig.piggybank.test.storage.avro.TestAvroStorage.txt
>
>
> grunt> emails = load 's3://agile.data/again_inbox' using AvroStorage();
> grunt> describe emails
> Schema for emails unknown.
> grunt> a = limit emails 10;
> grunt> dump a
> 2012-02-16 22:15:58,347 [main] INFO  org.apache.pig.tools.pigstats.ScriptState - Pig features used in the script: LIMIT
> 2012-02-16 22:15:58,483 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler - File concatenation threshold: 100 optimistic? false
> 2012-02-16 22:15:58,542 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer - MR plan size before optimization: 1
> 2012-02-16 22:15:58,542 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer - MR plan size after optimization: 1
> 2012-02-16 22:15:58,632 [main] INFO  org.apache.pig.tools.pigstats.ScriptState - Pig script settings are added to the job
> 2012-02-16 22:15:58,658 [main] INFO  org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - mapred.job.reduce.markreset.buffer.percent is not set, set to default 0.3
> 2012-02-16 22:15:58,665 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2017: Internal error creating job configuration.
> 2012-02-16 22:15:58,665 [main] ERROR org.apache.pig.tools.grunt.Grunt - org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias a
> 	at org.apache.pig.PigServer.openIterator(PigServer.java:901)
> 	at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:652)
> 	at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:303)
> 	at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:188)
> 	at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:164)
> 	at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:67)
> 	at org.apache.pig.Main.run(Main.java:497)
> 	at org.apache.pig.Main.main(Main.java:111)
> 	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.RunJar.main(RunJar.java:156)
> Caused by: org.apache.pig.PigException: ERROR 1002: Unable to store alias a
> 	at org.apache.pig.PigServer.storeEx(PigServer.java:1000)
> 	at org.apache.pig.PigServer.store(PigServer.java:963)
> 	at org.apache.pig.PigServer.openIterator(PigServer.java:876)
> 	... 12 more
> Caused by: org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobCreationException: ERROR 2017: Internal error creating job configuration.
> 	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getJob(JobControlCompiler.java:731)
> 	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.compile(JobControlCompiler.java:263)
> 	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:149)
> 	at org.apache.pig.PigServer.launchPlan(PigServer.java:1314)
> 	at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1299)
> 	at org.apache.pig.PigServer.storeEx(PigServer.java:996)
> 	... 14 more
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
> 	at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.setInputPaths(FileInputFormat.java:352)
> 	at org.apache.pig.piggybank.storage.avro.AvroStorage.setLocation(AvroStorage.java:138)
> 	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler.getJob(JobControlCompiler.java:387)
> 	... 19 more

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