RE: [Wrapper-user] No GUI ?!?

[Prasad K. <pra...@em...>]

When do you plan your next release?

Regards,
Prasad


-----Original Message-----
From: Leif Mortenson [mailto:le...@ta...]
Sent: Friday, December 06, 2002 1:50 PM
To: wra...@li...
Subject: Re: [Wrapper-user] No GUI ?!?


Good news, I got it working without showing the console :-)
The trick was to set the following in the startup info attribute when=20
creating the JavaProcess.
    startup_info.dwFlags=3DSTARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
    startup_info.wShowWindow=3DSW_HIDE;

For the ProcessFlags, I am using CREATE_NEW_PROCESS_GROUP

Anyway, I still want to do some more testing of this, but so far it=20
looks good.
This feature is already in CVS and will be in the next release.

Cheers,
Leif


Leif Mortenson wrote:

> I figured out how to allow Java to display a GUI while it is being run =

> as a service.  :-D BUT!  It will also display a console window at the=20
> same time. :-(
> I am currently creating the java process with the processflags:=20
> CREATE_NEW_PROCESS_GROUP
> In this mode, all features of the Wrapper work correctly, but there is =

> just that ugly console window to deal with.
>
> If I change the processFlags to: CREATE_NEW_PROCESS_GROUP |=20
> DETACHED_PROCESS then the console window goes away.   In this mode I=20
> am still able to capture all output from the JVM for logging=20
> purposes.  The problem is that in this mode, It does not seem to be=20
> possible to intercept system signals.   This means that the Wrapper=20
> will kill the JVM if the user logs out.  Furthermore,  the Wrapper=20
> views this as if the user had hit CTRL-C so the Wrapper will also=20
> exit.   In addition some features, like invoking a Thread Dump from=20
> within the JVM also fail.  So this does not seem to be a valid option.
>
> I will look into this some more, but it is all coming back to me from=20
> when I had looked into this about a year ago... :-(  If anyone knows=20
> how to intercept and generate system signals in a detached process, I=20
> would love to hear from you.
>
> Cheers,
> Leif
>
> Leif Mortenson wrote:
>
>> Kevin,
>>    From the log, it looks like you are trying to run your application =

>> as a Service.  The current version of the Wrapper does not allow the=20
>> Java process to access the desktop when running in that mode.  That=20
>> is why you can not see your GUI.
>>    If you run in console mode, then you should be able to see the GUI =

>> without any problems.
>>
>>    There is currently an open feature request to allow access to the=20
>> desktop when run as a service.  I have to figure out how to get it=20
>> working though :-)
>>
>>    Cheers,
>>    Leif
>>
>> Kevin & Laura Schmidt wrote:
>>
>>> Hello all,
>>>     I am attempting to use wrapper 2.2.9 on WIndows 2000, and I have =

>>> everything working....except....The GUI of my swing app doesnt=20
>>> show!!!  I am using the WrapperSimpleApp method to call my main,=20
>>> which constructs my mainFrame, calls mainFrame.show();, and then=20
>>> does some other stuff on startup.  Well, I see the output of the=20
>>> other stuff, but the GUI never pops up, minimized or otherwise.  I=20
>>> turned debug level to DEBUG, but didnt get an errors.
>>>     Help!!!!!!!!
>>>     -Kevin
>>>
>>> ps. Wrapper is a great program after *struggling* with =
JavaService!!!
>>>
>>> Here is a copy of my wrapper.log with DEBUG on:
>>>
>>> STATUS | wrapper  | 2002/12/06 10:10:05 | --> Wrapper Started as=20
>>> Service
>>>
>>
>>
>>
>>
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>
>
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