java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.getNamedOutputsList(CrunchMultipleOutputs.java:210) at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.checkNamedOutputName(CrunchMultipleOutputs.java:197) at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.addNamedOutput(CrunchMultipleOutputs.java:256) at > org.apache.crunch.io.impl.FileTargetImpl.configureForMapReduce(FileTargetImpl.java:65) at > org.apache.crunch.io.text.TextFileTarget.configureForMapReduce(TextFileTarget.java:70) at > org.apache.crunch.impl.mr.plan.MSCROutputHandler.configure(MSCROutputHandler.java:63) at > org.apache.crunch.io.impl.FileTargetImpl.accept(FileTargetImpl.java:71) at > org.apache.crunch.io.impl.SourceTargetImpl.accept(SourceTargetImpl.java:58) at > org.apache.crunch.impl.mr.plan.MSCROutputHandler.configureNode(MSCROutputHandler.java:51) at > org.apache.crunch.impl.mr.plan.JobPrototype.build(JobPrototype.java:138) at > org.apache.crunch.impl.mr.plan.JobPrototype.getCrunchJob(JobPrototype.java:114)

incubator-crunch-user | Johnny Zhang | 4 years ago
  1. 0

    Re: got error when run crunch 0.4.0 with Hadoop 2.0.0

    incubator-crunch-user | 4 years ago | Johnny Zhang
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.getNamedOutputsList(CrunchMultipleOutputs.java:210) at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.checkNamedOutputName(CrunchMultipleOutputs.java:197) at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.addNamedOutput(CrunchMultipleOutputs.java:256) at > org.apache.crunch.io.impl.FileTargetImpl.configureForMapReduce(FileTargetImpl.java:65) at > org.apache.crunch.io.text.TextFileTarget.configureForMapReduce(TextFileTarget.java:70) at > org.apache.crunch.impl.mr.plan.MSCROutputHandler.configure(MSCROutputHandler.java:63) at > org.apache.crunch.io.impl.FileTargetImpl.accept(FileTargetImpl.java:71) at > org.apache.crunch.io.impl.SourceTargetImpl.accept(SourceTargetImpl.java:58) at > org.apache.crunch.impl.mr.plan.MSCROutputHandler.configureNode(MSCROutputHandler.java:51) at > org.apache.crunch.impl.mr.plan.JobPrototype.build(JobPrototype.java:138) at > org.apache.crunch.impl.mr.plan.JobPrototype.getCrunchJob(JobPrototype.java:114)
  2. 0

    Re: got error when run crunch 0.4.0 with Hadoop 2.0.0

    incubator-crunch-user | 4 years ago | Johnny Zhang
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.getNamedOutputsList(CrunchMultipleOutputs.java:210) at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.checkNamedOutputName(CrunchMultipleOutputs.java:197) at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.addNamedOutput(CrunchMultipleOutputs.java:256) at > org.apache.crunch.io.impl.FileTargetImpl.configureForMapReduce(FileTargetImpl.java:65) at > org.apache.crunch.io.text.TextFileTarget.configureForMapReduce(TextFileTarget.java:70) at > org.apache.crunch.impl.mr.plan.MSCROutputHandler.configure(MSCROutputHandler.java:63) at > org.apache.crunch.io.impl.FileTargetImpl.accept(FileTargetImpl.java:71) at > org.apache.crunch.io.impl.SourceTargetImpl.accept(SourceTargetImpl.java:58) at > org.apache.crunch.impl.mr.plan.MSCROutputHandler.configureNode(MSCROutputHandler.java:51) at > org.apache.crunch.impl.mr.plan.JobPrototype.build(JobPrototype.java:138) at > org.apache.crunch.impl.mr.plan.JobPrototype.getCrunchJob(JobPrototype.java:114)
  3. 0

    got error when run crunch 0.4.0 with Hadoop 2.0.0

    incubator-crunch-user | 4 years ago | Johnny Zhang
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected
  4. Speed up your debug routine!

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  5. 0

    Re: got error when run crunch 0.4.0 with Hadoop 2.0.0

    incubator-crunch-user | 4 years ago | Matthias Friedrich
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected
  6. 0

    got error when run crunch 0.4.0 with Hadoop 2.0.0

    incubator-crunch-user | 4 years ago | Johnny Zhang
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected

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    Root Cause Analysis

    1. java.lang.IncompatibleClassChangeError

      Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.getNamedOutputsList(CrunchMultipleOutputs.java:210) at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.checkNamedOutputName(CrunchMultipleOutputs.java:197) at > org.apache.crunch.hadoop.mapreduce.lib.output.CrunchMultipleOutputs.addNamedOutput(CrunchMultipleOutputs.java:256) at > org.apache.crunch.io.impl.FileTargetImpl.configureForMapReduce(FileTargetImpl.java:65) at > org.apache.crunch.io.text.TextFileTarget.configureForMapReduce(TextFileTarget.java:70) at > org.apache.crunch.impl.mr.plan.MSCROutputHandler.configure(MSCROutputHandler.java:63) at > org.apache.crunch.io.impl.FileTargetImpl.accept(FileTargetImpl.java:71) at > org.apache.crunch.io.impl.SourceTargetImpl.accept(SourceTargetImpl.java:58) at > org.apache.crunch.impl.mr.plan.MSCROutputHandler.configureNode(MSCROutputHandler.java:51) at > org.apache.crunch.impl.mr.plan.JobPrototype.build(JobPrototype.java:138) at > org.apache.crunch.impl.mr.plan.JobPrototype.getCrunchJob(JobPrototype.java:114)

      at org.apache.crunch.impl.mr.plan.MSCRPlanner.plan()
    2. org.apache.crunch
      WordCount.run
      1. org.apache.crunch.impl.mr.plan.MSCRPlanner.plan(MSCRPlanner.java:111)
      2. org.apache.crunch.impl.mr.MRPipeline.plan(MRPipeline.java:144)
      3. org.apache.crunch.impl.mr.MRPipeline.run(MRPipeline.java:154)
      4. org.apache.crunch.impl.mr.MRPipeline.done(MRPipeline.java:183)
      5. org.apache.crunch.examples.WordCount.run(WordCount.java:70)
      5 frames
    3. Hadoop
      ToolRunner.run
      1. org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
      1 frame
    4. org.apache.crunch
      WordCount.main
      1. org.apache.crunch.examples.WordCount.main(WordCount.java:76)
      1 frame
    5. Java RT
      NativeMethodAccessorImpl.invoke0
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      1 frame