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
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)
--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira
