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Posted to dev@pig.apache.org by "Daniel Dai (JIRA)" <ji...@apache.org> on 2011/07/22 20:03:01 UTC
[jira] [Commented] (PIG-2181) Improvement : for error message when
describe misses alias
[ https://issues.apache.org/jira/browse/PIG-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13069650#comment-13069650 ]
Daniel Dai commented on PIG-2181:
---------------------------------
Good catch. +1 for patch. I will commit it if tests pass.
> Improvement : for error message when describe misses alias
> ----------------------------------------------------------
>
> Key: PIG-2181
> URL: https://issues.apache.org/jira/browse/PIG-2181
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Vivek Padmanabhan
> Assignee: Vivek Padmanabhan
> Priority: Minor
> Labels: newbie
> Fix For: 0.10
>
> Attachments: PIG-2181_1.patch
>
>
> In Pig 0.9, if I have a describe without an alias, it throws a NullPointerException like below.
> ERROR 2999: Unexpected internal error. null
> java.lang.NullPointerException
> at org.apache.pig.tools.grunt.GruntParser.processDescribe(GruntParser.java:270)
> at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:317)
> 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.exec(Grunt.java:81)
> at org.apache.pig.Main.run(Main.java:553)
> at org.apache.pig.Main.main(Main.java:108)
> For example;
> describe;
> This message is of no use from a users perspective. Especially when my script becomes large and I have added couple of describe statements.
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