Hi,
Simply said, you submit another Job in the event thread which will be
blocked and can't receive the this job submission event. So your second job
submission is never processed, and the getPreferredLocations method is never
returned.
Fei Hu wrote
> Dear all,
>
> I tried to customize my own
Dear all,
I tried to customize my own RDD. In the getPreferredLocations() function, I
used the following code to query anonter RDD, which was used as an input to
initialize this customized RDD:
* val results: Array[Array[DataChunkPartition]] =
context.runJob(partitionsRDD, (con