java.lang.IllegalStateException: Reducer has been already set

Stack Overflow | cody123 | 6 months ago
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    Adding multiple Reducer using ChainReducer throwing Exception

    Stack Overflow | 6 months ago | cody123
    java.lang.IllegalStateException: Reducer has been already set

    Root Cause Analysis

    1. java.lang.IllegalStateException

      Reducer has been already set

      at org.apache.hadoop.mapreduce.lib.chain.Chain.checkReducerAlreadySet()
    2. Hadoop
      Chain.checkReducerAlreadySet
      1. org.apache.hadoop.mapreduce.lib.chain.Chain.checkReducerAlreadySet(Chain.java:662)
      1 frame