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

["Richard Ding (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-1988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Ding updated PIG-1988:
------------------------------

    Attachment: 1988.pig

> 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: 1988.pig
>
>
> 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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