com.metamx.common.IAE: Unknown file system scheme [maprfs]

Google Groups | Pavel Zaytsev | 8 months ago
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    Advice on Druid cluster configuration on mapr5

    Google Groups | 8 months ago | Pavel Zaytsev
    com.metamx.common.IAE: Unknown file system scheme [maprfs]

    Root Cause Analysis

    1. com.metamx.common.IAE

      Unknown file system scheme [maprfs]

      at io.druid.indexer.JobHelper.serializeOutIndex()
    2. Druid Hadoop
      IndexGeneratorJob$IndexGeneratorReducer.reduce
      1. io.druid.indexer.JobHelper.serializeOutIndex(JobHelper.java:417)
      2. io.druid.indexer.IndexGeneratorJob$IndexGeneratorReducer.reduce(IndexGeneratorJob.java:703)
      3. io.druid.indexer.IndexGeneratorJob$IndexGeneratorReducer.reduce(IndexGeneratorJob.java:469)
      3 frames
    3. Hadoop
      Child$4.run
      1. org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:164)
      2. org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:620)
      3. org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:458)
      4. org.apache.hadoop.mapred.Child$4.run(Child.java:278)
      4 frames
    4. Java RT
      Subject.doAs
      1. java.security.AccessController.doPrivileged(Native Method)
      2. javax.security.auth.Subject.doAs(Subject.java:415)
      2 frames
    5. Hadoop
      UserGroupInformation.doAs
      1. org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
      1 frame
    6. Hadoop
      Child.main
      1. org.apache.hadoop.mapred.Child.main(Child.java:267)
      1 frame