[PIG-452] Issues when non existent columns are projected

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.2.0
• Fix Version/s: 0.2.0
• Assignee: Alan Gates
• Reporter: Pradeep Kamath
• Created: 23/Sep/08 21:26
• Updated: 24/Mar/10 22:04
• Resolved: 24/Sep/08 18:39

Description

Script:

-- columns x,y,z do not exist
a = load 'st10k' as (name, age, gpa, x, y, z);
b = load 'st10k' as (name, age:chararray, gpa);
c = join a by (name, y), b by (name, age);
dump c;

Error:

2008-09-23 14:22:20,237 [main] ERROR org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Job failed!
2008-09-23 14:22:20,253 [main] ERROR org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher - Error message from task (map) tip_200809051428_0112_m_000000java.io.IOException: Received Error while processing the map plan.
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:197)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:158)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:79)
        at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:219)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)

2008-09-23 14:22:20,253 [main] ERROR org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher - Error message from task (map) tip_200809051428_0112_m_000000java.io.IOException: Received Error while processing the map plan.
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:197)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:158)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:79)
        at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:219)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)

2008-09-23 14:22:20,253 [main] ERROR org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher - Error message from task (map) tip_200809051428_0112_m_000000java.io.IOException: Received Error while processing the map plan.
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:197)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:158)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:79)
        at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:219)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)

2008-09-23 14:22:20,259 [main] ERROR org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.Launcher - Error message from task (map) tip_200809051428_0112_m_000000java.io.IOException: Received Error while processing the map plan.
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:197)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:158)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce$Map.map(PigMapReduce.java:79)
        at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:47)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:219)
        at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2124)

java.io.IOException: Unable to open iterator for alias: c [Job terminated with anomalous status FAILED]
        at org.apache.pig.PigServer.openIterator(PigServer.java:384)
        at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:268)
        at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:176)
        at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:83)
        at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:64)
        at org.apache.pig.Main.main(Main.java:306)
Caused by: java.io.IOException: Job terminated with anomalous status FAILED
        ... 6 more