org.apache.hadoop.mapred.YarnChild

Exception running child : java.lang.RuntimeException:

Samebug tips0

We couldn't find tips for this exception.

Don't give up yet. Paste your full stack trace to get a solution.

Solutions on the web234

  • via Unknown by Unknown author,
  • via Unknown by ianzeng,
  • via Stack Overflow by Ajay
    ,
  • Stack trace

    • org.apache.hadoop.mapred.YarnChild: Exception running child : java.lang.RuntimeException: at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1895) at org.apache.hadoop.mapreduce.task.JobContextImpl.getMapperClass(JobContextImpl.java:196) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:722) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163) Caused by: java.lang.ClassNotFoundException: Class org.apache.hadoop.example.QuasiMonteCarlo$QmcMapper not found at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:1801) at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1893) ... 8 more

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    Nikolay RybakNikolay Rybak
    2 times, last one
    Unknown visitor
    Unknown visitorOnce,
    Unknown visitor
    Unknown visitorOnce,
    Unknown visitor
    Unknown visitorOnce,
    Unknown visitor
    Unknown visitorOnce,
    10 more bugmates