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

Stack Overflow | user5532529 | 4 days ago
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    Stack Overflow | 4 days ago | user5532529
    java.lang.IncompatibleClassChangeError: Found class org.apache.hadoop.mapreduce.JobContext, but interface was expected
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    Root Cause Analysis

    1. java.lang.IncompatibleClassChangeError

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

      at org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat.isSplitable()
    2. Hadoop
      JobClient.writeNewSplits
      1. org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat.isSplitable(KeyValueTextInputFormat.java:52)
      2. org.apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:246)
      3. org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:885)
      3 frames