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From Gajo Csaba <csaba.g...@cosylab.com>
Subject Re: [Fwd: Threads in a plug-in]
Date Thu, 29 Oct 2009 12:34:42 GMT
Which is the main class of maven? I found in 
org.apache.maven.cli.MavenCli this as the last line of the public static 
void main method, so maybe this is it:

System.exit( result );

Regards,
Csaba


Nick Stolwijk wrote:
> I think Maven executes a System.exit at the end, which will terminate all
> threads, regardless of daemon state.
>
> With regards,
>
> Nick Stolwijk
> ~Java Developer~
>
> IPROFS BV.
> Claus Sluterweg 125
> 2012 WS Haarlem
> http://www.iprofs.nl
>
>
> On Thu, Oct 29, 2009 at 1:09 PM, James Russo <jr@halo3.net> wrote:
>
>   
>> Hello,
>>
>> Actually it is the other way around. Daemon threads will not hold up JVM
>> from exiting, but non-deamon threads will.
>>
>> "Marks this thread as either a daemon thread or a user thread. The Java
>> Virtual Machine exits when the only threads running are all daemon threads."
>>
>> The daemon flag will be set if the creating thread is a daemon thread.
>> Maybe force the setDaemon to false on the newly created thread and that may
>> give you desired effect.
>>
>> -jr
>>
>>
>> Brian Fox wrote:
>>
>>     
>>> Maven just exits when it's done and then the jdk pulls everything
>>> down. Isn't there a flag you can set on a thread to mark it as a
>>> daemon thread, and then the system waits before killing it?
>>>
>>> On Wed, Oct 28, 2009 at 9:20 AM, Gajo Csaba <csaba.gajo@cosylab.com>
>>> wrote:
>>>
>>>
>>>       
>>>> Good idea! I was actually hoping there was some switch I can set in Maven
>>>> to
>>>> tell it not to terminate my thread, but I guess your idea would work fine
>>>> as
>>>> well. Thanks!
>>>> Csaba
>>>>
>>>>
>>>> Stephen Connolly wrote:
>>>>
>>>>
>>>>         
>>>>> add a second goal
>>>>>
>>>>> the first goal will store some thread completion object in MavenSession
>>>>> or
>>>>> in a Class level static field
>>>>>
>>>>> When all threads are finished the completion object will be updated by
>>>>> the
>>>>> last thread
>>>>>
>>>>> The second goal blocks until the completion object is completed.
>>>>>
>>>>> Then add the second goal execution to your project at the appropriate
>>>>> phase
>>>>> where you need the execution to have completed...
>>>>>
>>>>> for example if you start the threads in the process-sources phase, you
>>>>> might
>>>>> be happy to let them run in the background until the test phase has
>>>>> completed, but they must be finished by the time the package phase runs,
>>>>> so
>>>>> I would bind your execution of the second goal to the test phase
>>>>>
>>>>> -Stephen
>>>>>
>>>>> 2009/10/28 Gajo Csaba <csaba.gajo@cosylab.com>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>           
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>>>>
>>>>
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>>
>>     
>
>   


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