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From Mark <static.void....@gmail.com>
Subject Cassandra & Pig
Date Fri, 24 Sep 2010 17:32:25 GMT
  I am trying to run the Cassandra pig example but I keep receiving...

org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable 
to open iterator for alias rows
     at org.apache.pig.PigServer.openIterator(PigServer.java:521)
     at 
org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:544)
     at 
org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:241)
     at 
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:162)
     at 
org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:138)
     at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:75)
     at org.apache.pig.Main.main(Main.java:357)
Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 
1002: Unable to store alias rows
     at org.apache.pig.PigServer.store(PigServer.java:577)
     at org.apache.pig.PigServer.openIterator(PigServer.java:504)
     ... 6 more
Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 
2117: Unexpected error when launching map reduce job.
     at 
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:209)
     at 
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.execute(HExecutionEngine.java:308)
     at 
org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:835)
     at org.apache.pig.PigServer.store(PigServer.java:569)
     ... 7 more
Caused by: java.lang.RuntimeException: Could not resolve error that 
occured when launching map reduce job: java.lang.NoClassDefFoundError: 
org/apache/thrift/TBase
     at 
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$JobControlThreadExceptionHandler.uncaughtException(MapReduceLauncher.java:510)
     at java.lang.Thread.dispatchUncaughtException(Thread.java:1855)

Any ideas whats going on?



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