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Pig >> mail # user >> Trunk version does not like my macros

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Re: Trunk version does not like my macros
Apache mail servers strip attachments.  Could you post your script somewhere or send it inline?


On Jul 26, 2012, at 7:41 AM, Alex Rovner wrote:

> Gentlemen,
> We have recently attempted to compile and use the latest trunk code and have encountered a rather strange issue. Our job which is attached, has been working fine on V11 of pig that we have compiled of trunk a while back:
> Apache Pig version 0.11.0-SNAPSHOT (r1227411)
> compiled Jan 04 2012, 19:34:06
> When we attempted to switch to the latest trunk version yesterday, we have encountered the following exception:
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during parsing. Can not create a Path from a null string
> at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1595)
> at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1534)
> at org.apache.pig.PigServer.registerQuery(PigServer.java:516)
> at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:987)
> at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:412)
> at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:193)
> at org.apache.pig.PigServer.registerScript(PigServer.java:590)
> at org.apache.pig.PigServer.registerScript(PigServer.java:692)
> at org.apache.pig.PigServer.registerScript(PigServer.java:665)
> at com.proclivitysystems.etl.job.PIGJobRunner.run(PIGJobRunner.java:244)
> ... 2 more
> Caused by: java.lang.IllegalArgumentException: Can not create a Path from a null string
> at org.apache.hadoop.fs.Path.checkPathArg(Path.java:78)
> at org.apache.hadoop.fs.Path.<init>(Path.java:90)
> at org.apache.pig.impl.io.FileLocalizer.fetchFilesInternal(FileLocalizer.java:766)
> at org.apache.pig.impl.io.FileLocalizer.fetchFile(FileLocalizer.java:733)
> at org.apache.pig.parser.QueryParserDriver.getMacroFile(QueryParserDriver.java:350)
> at org.apache.pig.parser.QueryParserDriver.makeMacroDef(QueryParserDriver.java:406)
> at org.apache.pig.parser.QueryParserDriver.expandMacro(QueryParserDriver.java:268)
> at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:169)
> at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1587)
> ... 11 more
> I have tried to step through to figure out whats going on, and it seems like the parser is trying to load our macro named "roas" from a "null" file thus causing this issue. As you can see in the script we are not referencing any external macros. All macros are defined within the file.
> Any help would be appreciated.
> Thanks
> Alex