hadoop streaming failed with error code 1

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This topic contains 3 replies, has 3 voices, and was last updated by   1 year, 1 month ago.

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    Topic
  • #44142

    Anupam Gupta
    Participant

    Hi,

    I am trying to write my first mapreduce program that doubles the integers from 1 to 100.

    ints = to.dfs(1:100)
    calc = mapreduce(input = ints,
    map = function(k, v) cbind(v, 2*v))
    from.dfs(calc)

    However, I get an error message:
    13/11/19 16:02:36 INFO streaming.StreamJob: killJob…
    Streaming Command Failed!
    Error in mr(map = map, reduce = reduce, combine = combine, in.folder = if (is.list(input)) { :
    hadoop streaming failed with error code 1

    I am using CentOS and 2-Node cluster with RStudio running on the Master node.

    However, after reassigning the environmental variables (HADOOP_CMD, HADOOP_CONF, HADOOP_STREAMING etc) in R using putty, I am able to run the program in the R Command Line (putty). When I run the same program in RStudio, I get the error message.

    Please help.

    Thanks,
    Vedant

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  • #48792


    Participant

    First time I do the tutorial for RHadoop correctly. Now im geting the same error

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    #46186

    Anupam Gupta
    Participant

    Yes I have set the following environmental variables:
    HADOOP_HOME
    HADOOP_CMD
    JAVA_HOME
    HADOOP_MAPRED_HOME
    HADOOP_STREAMING
    HADOOP_CONF
    LD_LIBRARY_PATH

    But I still getting the same error message.

    Thanks,
    Anupam

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    #44231

    abdelrahman
    Moderator

    Hi Anupam,

    Have you tried to source the environment variables before running the R?

    Thanks
    -Abdelrahman

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