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https://issues.apache.org/jira/browse/PIG-755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12702703#action_12702703
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David Ciemiewicz commented on PIG-755:
--------------------------------------
Thanks. Didn't know about the dry-run option.
Hopefully it will someday produce UTF-8 text given some of the parameters will
be in Chinese or Japanese characters. :^)
> Difficult to debug parameter substitution problems based on the error
> messages when running in local mode
> ---------------------------------------------------------------------------------------------------------
>
> Key: PIG-755
> URL: https://issues.apache.org/jira/browse/PIG-755
> Project: Pig
> Issue Type: Bug
> Components: grunt
> Affects Versions: 0.3.0
> Reporter: Viraj Bhat
> Fix For: 0.3.0
>
> Attachments: inputfile.txt, localparamsub.pig
>
>
> I have a script in which I do a parameter substitution for the input file. I
> have a use case where I find it difficult to debug based on the error
> messages in local mode.
> {code}
> A = load '$infile' using PigStorage() as
> (
> date : chararray,
> count : long,
> gmean : double
> );
> dump A;
> {code}
> 1) I run it in local mode with the input file in the current working directory
> {code}
> prompt $ java -cp pig.jar:/path/to/hadoop/conf/ org.apache.pig.Main
> -exectype local -param infile='inputfile.txt' localparamsub.pig
> {code}
> 2009-04-07 00:03:51,967 [main] ERROR
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore
> - Received error from storer function:
> org.apache.pig.backend.executionengine.ExecException: ERROR 2081: Unable to
> setup the load function.
> 2009-04-07 00:03:51,970 [main] INFO
> org.apache.pig.backend.local.executionengine.LocalPigLauncher - Failed jobs!!
> 2009-04-07 00:03:51,971 [main] INFO
> org.apache.pig.backend.local.executionengine.LocalPigLauncher - 1 out of 1
> failed!
> 2009-04-07 00:03:51,974 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
> 1066: Unable to open iterator for alias A
> ====================================================================
> Details at logfile: /home/viraj/pig-svn/trunk/pig_1239062631414.log
> ====================================================================
> ERROR 1066: Unable to open iterator for alias A
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to
> open iterator for alias A
> at org.apache.pig.PigServer.openIterator(PigServer.java:439)
> at
> org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:359)
> at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:193)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:99)
> at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:88)
> at org.apache.pig.Main.main(Main.java:352)
> Caused by: java.io.IOException: Job terminated with anomalous status FAILED
> at org.apache.pig.PigServer.openIterator(PigServer.java:433)
> ... 5 more
> ====================================================================
> 2) I run it in map reduce mode
> {code}
> prompt $ java -cp pig.jar:/path/to/hadoop/conf/ org.apache.pig.Main -param
> infile='inputfile.txt' localparamsub.pig
> {code}
> 2009-04-07 00:07:31,660 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting
> to hadoop file system at: hdfs://localhost:9000
> 2009-04-07 00:07:32,074 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting
> to map-reduce job tracker at: localhost:9001
> 2009-04-07 00:07:34,543 [Thread-7] WARN org.apache.hadoop.mapred.JobClient -
> Use GenericOptionsParser for parsing the arguments. Applications should
> implement Tool for the same.
> 2009-04-07 00:07:39,540 [main] INFO
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
> - 0% complete
> 2009-04-07 00:07:39,540 [main] ERROR
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
> - Map reduce job failed
> 2009-04-07 00:07:39,563 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
> 2100: inputfile does not exist.
> ====================================================================
> Details at logfile: /home/viraj/pig-svn/trunk/pig_1239062851400.log
> ====================================================================
> ERROR 2100: inputfile does not exist.
> org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to
> open iterator for alias A
> at org.apache.pig.PigServer.openIterator(PigServer.java:439)
> at
> org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:359)
> at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:193)
> at
> org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:99)
> at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:88)
> at org.apache.pig.Main.main(Main.java:352)
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1002:
> Unable to store alias A
> at org.apache.pig.PigServer.store(PigServer.java:470)
> at org.apache.pig.PigServer.openIterator(PigServer.java:427)
> ... 5 more
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1002:
> Unable to store alias A
> at org.apache.pig.PigServer.store(PigServer.java:503)
> at org.apache.pig.PigServer.store(PigServer.java:466)
> ... 6 more
> Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2997:
> Unable to recreate exception from backend error:
> org.apache.pig.backend.executionengine.ExecException: ERROR 2100: inputfile
> does not exist.
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher.getStats(Launcher.java:135)
> ====================================================================
> Here is evident that the error occurred because "input.txt" was truncated to
> "input"
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