[
https://issues.apache.org/jira/browse/PIG-173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xu Zhang updated PIG-173:
-------------------------
Description:
Execute the following Pig statements in Grunt or with a Pig script, and a
NullPointerException is generated.
{noformat}
grunt> A = load '/user/pig/tests/data/singlefile/studentcolon10k' using
PigStorage(':');
grunt> B = foreach A generate $2, $1, $0;
grunt> define X `awk 'BEGIN {FS = ","; OFS = "\t"} {print $3, $2, $1}'` input
(stdin using
PigStorage(','));
grunt> C = stream B through X;
grunt> D = foreach C generate $0, $1;
2008-03-28 14:17:20,978 [main] ERROR org.apache.pig.tools.grunt.GruntParser -
java.lang.NullPointerException
at org.apache.pig.impl.logicalLayer.LOEval.outputSchema(LOEval.java:69)
at
org.apache.pig.impl.logicalLayer.parser.QueryParser.ForEachClause(QueryParser.java:1508)
at
org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:691)
at
org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:492)
at
org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:342)
at
org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:47)
at org.apache.pig.PigServer.registerQuery(PigServer.java:261)
at
org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:462)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:226)
at
org.apache.pig.tools.grunt.GruntParser.parseContOnError(GruntParser.java:73)
at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:54)
at org.apache.pig.Main.main(Main.java:253)
2008-03-28 14:17:20,979 [main] ERROR org.apache.pig.tools.grunt.GruntParser -
java.lang.NullPointerException
{noformat}
was:
Execute the following Pig statements in Grunt or with a Pig script, and a
NullPointerException is generated.
{noformat}
grunt> A = load '/user/pig/tests/data/singlefile/studentcolon10k' using
PigStorage(':');
grunt> B = foreach A generate $2, $1, $0;
grunt> define X `awk 'BEGIN {FS = ","; OFS = "\t"} {print $3, $2, $1}'` input
(stdin using
PigStorage(','));
grunt> C = stream B through X;
grunt> D = foreach C generate $0, $1;
2008-03-28 14:17:20,978 [main] ERROR org.apache.pig.tools.grunt.GruntParser -
java.lang.NullPointerException
at org.apache.pig.impl.logicalLayer.LOEval.outputSchema(LOEval.java:69)
at
org.apache.pig.impl.logicalLayer.parser.QueryParser.ForEachClause(QueryParser.java:1508)
at
org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:691)
at
org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:492)
at
org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:342)
at
org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:47)
at org.apache.pig.PigServer.registerQuery(PigServer.java:261)
at
org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:462)
at
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:226)
at
org.apache.pig.tools.grunt.GruntParser.parseContOnError(GruntParser.java:73)
at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:54)
at org.apache.pig.Main.main(Main.java:253)
2008-03-28 14:17:20,979 [main] ERROR org.apache.pig.tools.grunt.GruntParser -
java.lang.NullPointerException
{code}
> NullPointerException when running my Pig script with streaming
> --------------------------------------------------------------
>
> Key: PIG-173
> URL: https://issues.apache.org/jira/browse/PIG-173
> Project: Pig
> Issue Type: Bug
> Reporter: Xu Zhang
> Assignee: Arun C Murthy
> Priority: Critical
>
> Execute the following Pig statements in Grunt or with a Pig script, and a
> NullPointerException is generated.
> {noformat}
> grunt> A = load '/user/pig/tests/data/singlefile/studentcolon10k' using
> PigStorage(':');
> grunt> B = foreach A generate $2, $1, $0;
> grunt> define X `awk 'BEGIN {FS = ","; OFS = "\t"} {print $3, $2, $1}'` input
> (stdin using
> PigStorage(','));
> grunt> C = stream B through X;
> grunt> D = foreach C generate $0, $1;
> 2008-03-28 14:17:20,978 [main] ERROR org.apache.pig.tools.grunt.GruntParser -
> java.lang.NullPointerException
> at
> org.apache.pig.impl.logicalLayer.LOEval.outputSchema(LOEval.java:69)
> at
> org.apache.pig.impl.logicalLayer.parser.QueryParser.ForEachClause(QueryParser.java:1508)
> at
> org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:691)
> at
> org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:492)
> at
> org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:342)
> at
> org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:47)
> at org.apache.pig.PigServer.registerQuery(PigServer.java:261)
> at
> org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:462)
> at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:226)
> at
> org.apache.pig.tools.grunt.GruntParser.parseContOnError(GruntParser.java:73)
> at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:54)
> at org.apache.pig.Main.main(Main.java:253)
> 2008-03-28 14:17:20,979 [main] ERROR org.apache.pig.tools.grunt.GruntParser -
> java.lang.NullPointerException
> {noformat}
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