At 
@328:?<https://github.com/apache/hive/blob/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/mr/MapRedTask.java>


    if (environmentVariables.get(HIVE_DEBUG_RECURSIVE).equals("y")) {
      // swap debug options in HADOOP_CLIENT_OPTS to those that the child JVM 
should have
      assert environmentVariables.containsKey(HIVE_CHILD_CLIENT_DEBUG_OPTS)
          && environmentVariables.get(HIVE_MAIN_CLIENT_DEBUG_OPTS) != null : 
HIVE_CHILD_CLIENT_DEBUG_OPTS?


Thanks,

~Remus

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