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Chukwa >> mail # user >> Why system.exit() present in Demux.java


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Re: Why system.exit() present in Demux.java
I'm not sure why System.exit get's called but I suspect someone had a
use case to know the return status of the process. If that's causing
problems with unit tests, you could have your unit test call
Demux.run(String[] args) directly.
On Fri, Dec 3, 2010 at 12:51 AM, Stuti Awasthi
<[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I am facing issues while executing Junit test cases for my custom processor.
> This is what I have done :
>
>
>
> ·         I have created my own processor class extended from
> AbstractProcessor.java.
>
> ·         For testing I wrote the Junit test class and passed .done file
> location and output directory location to Demux.main()
>
> ·         Demux class run and successfully executes my custom processor
>
> ·         Convert .done to .evt file in output directory as desired.
>
>
>
> Issue : Code of Demux.main() class :
>
>
>
>                 public static void main(String[] args) throws Exception {
>
>     int res = ToolRunner.run(new Configuration(), new Demux(), args);
>
>     System.exit(res);
>
>                  }
>
>
>
> After converting .done file to .evt file , Demux class end the process by
> System.exit() command due to which control is not returned to my JUnit test
> class. Because of this the control is not reaching my assertion and testcase
> is not successful.
>
>
>
> Questions
>
> ·         I want to know why we have this System.exit() in Demux.java class
> ?
>
> ·         Is there any way I can execute my testcase successfully ? Have any
> one tested processor classes given by chukwa ? Eg : Syslog, TsProcessor etc
>
> ·         Since Demux is a daemon which runs continuously . So does
> everytime this demux class is called for every .done file ?
>
>
>
> Please Suggest
>
>
>
> Thanks
>
> Stuti Awasthi
>
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB