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From: Bill Graham <billgraham@gmail.com>
Date: Mon, 6 Dec 2010 10:51:22 -0800
Message-ID: <AANLkTimt0rbfTwjd=d8FfLqzfP+=+OFTq9KiFBvPHiss@mail.gmail.com>
Subject: Re: Why system.exit() present in Demux.java
To: chukwa-user@incubator.apache.org
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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
<Stuti_Awasthi@persistent.co.in> wrote:
> Hi all,
>
> I am facing issues while executing Junit test cases for my custom process=
or.
> This is what I have done :
>
>
>
> =B7=A0=A0=A0=A0=A0=A0=A0=A0 I have created my own processor class extende=
d from
> AbstractProcessor.java.
>
> =B7=A0=A0=A0=A0=A0=A0=A0=A0 For testing I wrote the Junit test class and =
passed .done file
> location and output directory location to Demux.main()
>
> =B7=A0=A0=A0=A0=A0=A0=A0=A0 Demux class run and successfully executes my =
custom processor
>
> =B7=A0=A0=A0=A0=A0=A0=A0=A0 Convert .done to .evt file in output director=
y as desired.
>
>
>
> Issue : Code of Demux.main() class :
>
>
>
> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 public static void main(Str=
ing[] args) throws Exception {
>
> =A0=A0=A0 int res =3D ToolRunner.run(new Configuration(), new Demux(), ar=
gs);
>
> =A0=A0=A0 System.exit(res);
>
> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 =A0}
>
>
>
> 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 te=
st
> class. Because of this the control is not reaching my assertion and testc=
ase
> is not successful.
>
>
>
> Questions
>
> =B7=A0=A0=A0=A0=A0=A0=A0=A0 I want to know why we have this System.exit()=
 in Demux.java class
> ?
>
> =B7=A0=A0=A0=A0=A0=A0=A0=A0 Is there any way I can execute my testcase su=
ccessfully ? Have any
> one tested processor classes given by chukwa ? Eg : Syslog, TsProcessor e=
tc
>
> =B7=A0=A0=A0=A0=A0=A0=A0=A0 Since Demux is a daemon which runs continuous=
ly . So does
> everytime this demux class is called for every .done file ?
>
>
>
> Please Suggest
>
>
>
> Thanks
>
> Stuti Awasthi
>
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