org.apache.pig.backend.executionengine.ExecException

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  • Pig error: Unable to create input splits
    via by Geoffrey Gallaway,
  • Re: Pig error: Unable to create input splits
    via by Unknown author,
  • 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"
    via by Viraj Bhat,
  • Pig error: Unable to create input splits
    via by Geoffrey Gallaway,
    • org.apache.pig.backend.executionengine.ExecException: ERROR 2118: Unable to create input splits for: file://home/geoffeg/test.json at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher.getStats(Launcher.java:169) at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:270) at org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:308) at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1007) at org.apache.pig.PigServer.store(PigServer.java:697) at org.apache.pig.PigServer.openIterator(PigServer.java:590)
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