FYI, this issue seems to be related to not handling Flume IO.  My Java process 
was inheriting IO and not reading it causing flume to suspend.

-Ed

On Nov 10, 2014, at 7:27 PM, Ed Judge <[email protected]> wrote:

> Has anyone had experience with starting/stopping flume from another Java 
> process via ProcessBuilder?
> Seems like I am able to start it the first time (have it do a transfer and 
> log messages) then destroy it.
> However, the next time I start it, it doesn’t do any transfer or writing to 
> its log file.  I do see the following process listed:
> 
> /bin/bash /vagrant/flume/bin/apache-flume-1.5.0.1-bin/bin/flume-ng agent -n 
> a1 -c ./conf --conf-file ./conf/FlumeAgent.1.conf --classpath 
> /vagrant/flume/bin/apache-flume-1.5.0.1-bin/lib/*:/home/hadoop/hadoop/share/hadoop/common/*:/home/hadoop/hadoop/share/hadoop/common/lib/*:/home/hadoop/hadoop/share/hadoop/hdfs/*
>  -Dflume.monitoring.type=http -Dflume.monitoring.port=14001 
> -Dflume.log.file=FlumeAgent.1.log
> 
> 14001 is unresponsive too.
> 
> Any suggestions for how I should go about debugging this?
> 
> Thanks,
> -Ed
> 

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