java.lang.IncompatibleClassChangeError: Found class org.apache.hadoop.mapreduce.TaskAttemptContext, but interface was expected

pig-user | Russell Jurney | 2 years ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    Re: Pig 0.14 - Download, no hadoop install, local mode doesn't work?

    pig-user | 2 years ago | Russell Jurney
    java.lang.IncompatibleClassChangeError: Found class org.apache.hadoop.mapreduce.TaskAttemptContext, but interface was expected
  2. 0

    Re: Pig 0.14 - Download, no hadoop install, local mode doesn't work?

    pig-user | 2 years ago | Russell Jurney
    java.lang.IncompatibleClassChangeError: Found class org.apache.hadoop.mapreduce.TaskAttemptContext, but interface was expected

    Root Cause Analysis

    1. java.lang.IncompatibleClassChangeError

      Found class org.apache.hadoop.mapreduce.TaskAttemptContext, but interface was expected

      at org.apache.pig.piggybank.storage.XMLLoader$XMLRecordReader.initialize()
    2. org.apache.pig
      Main.main
      1. org.apache.pig.piggybank.storage.XMLLoader$XMLRecordReader.initialize(XMLLoader.java:102)
      2. org.apache.pig.impl.io.ReadToEndLoader.initializeReader(ReadToEndLoader.java:210)
      3. org.apache.pig.impl.io.ReadToEndLoader.getNextHelper(ReadToEndLoader.java:248)
      4. org.apache.pig.impl.io.ReadToEndLoader.getNext(ReadToEndLoader.java:229)
      5. org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLoad.getNextTuple(POLoad.java:137)
      6. org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:307)
      7. org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POLimit.getNextTuple(POLimit.java:122)
      8. org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:307)
      9. org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:246)
      10. org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:307)
      11. org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore.getNextTuple(POStore.java:159)
      12. org.apache.pig.backend.hadoop.executionengine.fetch.FetchLauncher.runPipeline(FetchLauncher.java:161)
      13. org.apache.pig.backend.hadoop.executionengine.fetch.FetchLauncher.launchPig(FetchLauncher.java:81)
      14. org.apache.pig.backend.hadoop.executionengine.HExecutionEngine.launchPig(HExecutionEngine.java:278)
      15. org.apache.pig.PigServer.launchPlan(PigServer.java:1390)
      16. org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1375)
      17. org.apache.pig.PigServer.storeEx(PigServer.java:1034)
      18. org.apache.pig.PigServer.store(PigServer.java:997)
      19. org.apache.pig.PigServer.openIterator(PigServer.java:910)
      20. org.apache.pig.tools.grunt.GruntParser.processDump(GruntParser.java:746)
      21. org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:372)
      22. org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:230)
      23. org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:205)
      24. org.apache.pig.tools.grunt.Grunt.run(Grunt.java:66)
      25. org.apache.pig.Main.run(Main.java:558)
      26. org.apache.pig.Main.main(Main.java:170)
      26 frames