java.lang.Exception: java.lang.NullPointerException

Stack Overflow | ItayB | 3 months ago
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    java.lang.Exception: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at WordCount2$TokenizerMapper.setup()
    2. Unknown
      WordCount2$TokenizerMapper.setup
      1. WordCount2$TokenizerMapper.setup(WordCount2.java:47)
      1 frame
    3. Hadoop
      LocalJobRunner$Job$MapTaskRunnable.run
      1. org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:143)
      2. org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
      3. org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
      4. org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
      4 frames
    4. Java RT
      Thread.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      2. java.util.concurrent.FutureTask.run(FutureTask.java:266)
      3. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      4. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      5. java.lang.Thread.run(Thread.java:745)
      5 frames