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Posted to dev@pig.apache.org by "Xuefu Zhang (JIRA)" <ji...@apache.org> on 2011/04/11 23:31:05 UTC

[jira] [Commented] (PIG-1988) Importing an empty macro file causing NPE

    [ https://issues.apache.org/jira/browse/PIG-1988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13018579#comment-13018579 ] 

Xuefu Zhang commented on PIG-1988:
----------------------------------

+1

> Importing an empty macro file causing NPE
> -----------------------------------------
>
>                 Key: PIG-1988
>                 URL: https://issues.apache.org/jira/browse/PIG-1988
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>            Reporter: Xuefu Zhang
>            Assignee: Richard Ding
>             Fix For: 0.9.0
>
>         Attachments: PIG-1988.patch
>
>
> The following script, which imports an empty macro file, causes a NPE.
> import 'macros.pig';
> A = load 'x';
> B = foreach A generate flatten($0);
> Stack trace:
> Caused by: java.lang.NullPointerException
>         at org.antlr.runtime.tree.BaseTree.addChildren(BaseTree.java:133)
>         at org.apache.pig.parser.QueryParserUtils.replaceNodeWithNodeList(QueryParserUtils.java:194)
>         at org.apache.pig.parser.QueryParserDriver.macroImport(QueryParserDriver.java:409)
>         at org.apache.pig.parser.QueryParserDriver.expandImport(QueryParserDriver.java:274)
>         at org.apache.pig.parser.QueryParserDriver.expandMacro(QueryParserDriver.java:214)
>         at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:86)

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