[
https://issues.apache.org/jira/browse/PIG-2275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Daniel Dai updated PIG-2275:
----------------------------
Resolution: Fixed
Fix Version/s: 0.11
0.10
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Unit tests pass. test-patch result:
[exec] -1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] -1 release audit. The applied patch generated 458 release
audit warnings (more than the trunk's current 447 warnings).
No new files added, ignore release audit warning.
Patch committed to both trunk and 0.10 branch.
> NullPointerException from ILLUSTRATE
> ------------------------------------
>
> Key: PIG-2275
> URL: https://issues.apache.org/jira/browse/PIG-2275
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Doug Daniels
> Assignee: Daniel Dai
> Fix For: 0.10, 0.11
>
> Attachments: PIG-2275-1.patch, PIG-2275-2.patch
>
>
> I'm getting a NullPointerException from ILLUSTRATE on a simple script using
> the webcrawl data from the "Programming Pig" book:
> https://github.com/alanfgates/programmingpig/blob/master/data/webcrawl
> The script is:
> {code}
> A = load 'webcrawl' USING PigStorage('\t') AS ( url: chararray, pagerank:
> float, links:{ link: ( url: chararray ) } );
> B = filter A by url is not null;
> C = store B into 'output';
> {code}
> The stack trace I'm getting is:
> {code}
> java.lang.NullPointerException
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFilter.illustratorMarkup(POFilter.java:200)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POFilter.getNext(POFilter.java:155)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:290)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getNext(POStore.java:138)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:261)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:256)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:58)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
> at
> org.apache.pig.pen.LocalMapReduceSimulator.launchPig(LocalMapReduceSimulator.java:194)
> at
> org.apache.pig.pen.ExampleGenerator.getData(ExampleGenerator.java:257)
> at
> org.apache.pig.pen.ExampleGenerator.getData(ExampleGenerator.java:238)
> at
> org.apache.pig.pen.LineageTrimmingVisitor.init(LineageTrimmingVisitor.java:103)
> at
> org.apache.pig.pen.LineageTrimmingVisitor.<init>(LineageTrimmingVisitor.java:98)
> at
> org.apache.pig.pen.ExampleGenerator.getExamples(ExampleGenerator.java:166)
> at org.apache.pig.PigServer.getExamples(PigServer.java:1258)
> at
> org.apache.pig.tools.grunt.GruntParser.processIllustrate(GruntParser.java:698)
> at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.Illustrate(PigScriptParser.java:591)
> at
> org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:306)
> 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:456)
> at org.apache.pig.Main.main(Main.java:108)
> {code}
> I'm running this in local mode, though I don't know if it makes a difference.
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