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From Kris Coward <k...@melon.org>
Subject illustrate fails after join
Date Thu, 09 Dec 2010 00:13:54 GMT
Hi again,

Now I'm having a problem where, after JOINing 2 relations, I can't get
an ILLUSTRATE to work on the resulting relation (though a DUMP is
working just fine). The error produced is:

2010-12-09 00:10:52,076 [main] INFO org.apache.hadoop.metrics.jvm.JvmMetrics - Cannot initialize
JVM Metrics with processName=JobTracker, sessionId= - already initialized
2010-12-09 00:10:52,723 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2999: Unexpected
internal error. null Details at logfile: /home/kris/pig_1291831812543.log

the relation in question is the result of

x1 = JOIN y6 BY uid, z4 BY uid;

where y6 ilustrates as:

-----------------------------------------------
| y6     | uid: chararray  | installTime: int | 
-----------------------------------------------
|        | 100000257874171 | 1265951856       | 
|        | 697239231       | 1265954100       | 
-----------------------------------------------

and z4 illustrates as: 

---------------------------------------------------------
| z4     | uid: chararray | timestamp: int | value: int | 
---------------------------------------------------------
|        | 790470383      | 1270762540     | 300        | 
---------------------------------------------------------

(and both y6 and z4 have been produced by a pipeline which includes a
filter requiring (uid is not null) ).

Any ideas what might help make this work?

Thanks,
Kris

-- 
Kris Coward					http://unripe.melon.org/
GPG Fingerprint: 2BF3 957D 310A FEEC 4733  830E 21A4 05C7 1FEB 12B3

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