Github user zsxwing commented on the pull request:

    https://github.com/apache/spark/pull/6599#issuecomment-109918665
  
    > @zsxwing is that import renaming needed?
    
    No. Just removed it.
    
    > Do we have any additional info on whether this is really the only thing 
stopping the raw Maven artifact from working with Hadoop 1?
    
    I built Core with `Hadoop 1.0.4` and `Hadoop 2.4.0` and verified all 
classes have the same byte codes except 
`WriteInputFormatTestDataGenerator.scala` which is only used in python tests.
    
    However, some places about `Parquet` and `Hive` in Spark SQL still have 
similar issues. I don't know if `Parquet` and `Hive` in Maven are compatible 
with Hadoop 1. If not, I don't think we should support it in Spark SQL since 
`Parquet` and `Hive` are already not compatible.


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