Hadoop incompatible build versions

Today I came across a build error with a newer version of CDH 0.20.2+320 installed on a new machine to be used as a new datanode. The datanode failed to join the cluster and the log is shown below. In order to fix this error, the build version of a data node has to be exactly the same as the namenode.

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One response to “Hadoop incompatible build versions”

  1. Abu Shoeb says:

    Hey did you mange to fix it? I have the same issue. Thanks

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