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Posted to issues@spark.apache.org by "Tejas Patil (JIRA)" <ji...@apache.org> on 2016/03/10 04:04:40 UTC

[jira] [Created] (SPARK-13793) PipeRDD doesn't propagate exceptions while reading parent RDD

Tejas Patil created SPARK-13793:
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             Summary: PipeRDD doesn't propagate exceptions while reading parent RDD
                 Key: SPARK-13793
                 URL: https://issues.apache.org/jira/browse/SPARK-13793
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.6.0
            Reporter: Tejas Patil
            Priority: Minor


PipeRDD creates a process to run the command and spawns a thread to feed the input data to the process's stdin. If there is any exception in the child thread which gets the input data from the parent RDD, the child thread does not propagate that exception to the main thread. eg. In event of fetch failures, since the exception is not be propagated, the entire stage fails. The correct behaviour would be to recompute the parent(s) and then relaunch the stage.



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