org.apache.hadoop.mapred.FileAlreadyExistsException: Output directory output already exists

cnblogs.com | 5 months ago
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    Root Cause Analysis

    1. org.apache.hadoop.mapred.FileAlreadyExistsException

      Output directory output already exists

      at org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.checkOutputSpecs()
    2. Hadoop
      FileOutputFormat.checkOutputSpecs
      1. org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.checkOutputSpecs(FileOutputFormat.java:137)
      1 frame