org.apache.pig.impl.logicalLayer.FrontendException

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  • Pig Exception On Azure when submitting simple task
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    • org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias Logs at org.apache.pig.PigServer.openIterator(PigServer.java:905) at org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:683) at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:303) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:190) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:166) at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:69) at org.apache.pig.Main.run(Main.java:495) at org.apache.pig.Main.main(Main.java:111) Caused by: org.apache.pig.PigException: ERROR 1002: Unable to store alias Logs at org.apache.pig.PigServer.storeEx(PigServer.java:1004) at org.apache.pig.PigServer.store(PigServer.java:967) at org.apache.pig.PigServer.openIterator(PigServer.java:880) ... 7 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:293) at org.apache.pig.PigServer.launchPlan(PigServer.java:1318) at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1303) at org.apache.pig.PigServer.storeEx(PigServer.java:1000) ... 9 more Caused by: java.lang.RuntimeException: Could not resolve error that occured when launching map reduce job: java.lang.NullPointerException at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher$JobControlThreadExceptionHandler.uncaughtException(MapReduceLauncher.java:600) at java.lang.Thread.dispatchUncaughtException(Thread.java:1964)
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