might be you need to drain stdout/stderr of subprocess...otherwise
subprocess can deadlock
http://stackoverflow.com/questions/3054531/correct-usage-of-processbuilder

On 27 August 2015 at 16:11, pranay <pranay.ton...@impetus.co.in> wrote:

> I have a java program that does this - (using Spark 1.3.1 ) Create a
> command
> string that uses "spark-submit" in it ( with my Class file etc ), and i
> store this string in a temp file somewhere as a shell script Using
> Runtime.exec, i execute this script and wait for its completion, using
> process.waitFor Doing ps -ef shows me SparkSubmitDriverBootstrapper , the
> script running my class ... parent child relationship..
>
> The job gets triggered on spark-cluster and gets over but
> SparkSubmitDriverBootstrapper still shows up, due to this the
> process.waitFor never comes out and i can't detect the execution end...
>
> If i run the /temp file independently. things work file... only when i
> trigger /temp scrict inside Runtime.exec , this issue occurs... Any
> comments
> ?
>
>
>
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