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Hello World Swing Client not showing up? [message #805829]

Fri, 24 February 2012 07:31

Kai Wähner

Messages: 4
Registered: February 2012

Junior Member

Hello.

I just downloaded and started the current release of Eclipse Scout. I use a Macbook Air with Lion and Java 6.

I tried to get started with the Hello World tutorial.

Server and SWT client work fine, but the Swing client does not show up. It starts and is running. No error messages or exceptions. Nevertheless, the client does not show up anywhere... There is also no seconds Eclipse / RCP starting as it is when I start a SWT client.

The console output of the client is:
2012-02-24 08:15:52.358 java[598:407] [Java CocoaComponent compatibility mode]: Enabled
2012-02-24 08:15:52.359 java[598:407] [Java CocoaComponent compatibility mode]: Setting timeout for SWT to 0.100000

The server does not have any console output.

Any guess? Do you need more details?

Best regards,
Kai

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Re: Hello World Swing Client not showing up? [message #805841 is a reply to message #805829]

Fri, 24 February 2012 07:57

Ivan Motsch

Messages: 154
Registered: March 2010

Senior Member

This is strong related to bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=212617

Basically on macosx swt must be started on first thread, swing/awt must be started on second thread.

For swing to work, the IDE must be started on second thread.
Unfortunately eclipse ties the -ws switch to this behaviour.

Following works for me on a MacBook Pro with Lion and Java 6 and eclipse 3.7.1:

1) Edit the eclipse IDE(!) eclipse.ini (Right click on eclipse app "Show Contents" and in the folder MacOS there is the eclipse.ini)
Change -XstartOnFirstThread to -XstartOnSecondThread

2a) Edit the run configuration for your application:
In the "Arguments - Program arguments" remove the -ws ${target.ws} switch and add --launcher.secondThread

2b) Edit the *.product configuration for your application:
In the "Launching" tab in the "Launching Arguments" section in the "All" and "macosx" tabs remove the -XstartOnFirstThread option and (eventually) add the -XstartOnSecondThread

I know, much to do, buit in the end it works. Unfortunately there is not yet an easier solution since eclipse ide does not know upfront whether it should start a core native ui such as swt or a secondary ui such as awt.

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Re: Hello World Swing Client not showing up? [message #805845 is a reply to message #805841]

Fri, 24 February 2012 07:59

Jeremie Bresson

Messages: 1252
Registered: October 2011

Senior Member

Thanks for this answer, because it is also something I am interseted in (Mac OS X 10.5).

I will give it a try.

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Re: Hello World Swing Client not showing up? [message #805866 is a reply to message #805845]

Fri, 24 February 2012 08:33

Kai Wähner

Messages: 4
Registered: February 2012

Junior Member

Thanks for the quick answer and explanation. At least, there is a workaround! Smile

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Re: Hello World Swing Client not showing up? [message #808246 is a reply to message #805866]

Mon, 27 February 2012 15:21

Ivan Motsch

Messages: 154
Registered: March 2010

Senior Member

did it work?

here a summarized (more comprehensive:-)) version:
1) The IDE eclipse.ini (as i re-checked it) must not necessarily be modified.
2) Start the IDE and go to the product configuration
3) Run/Debug the product, immediately stop it.
4) go to Run... / Debug... menu in eclipse IDE and remove the program argument -ws ${target.ws}
5) Start again.

For production environment:
The my_application.ini (in the my_application.app) typically contains the following

--launcher.secondThread
-vmargs
-Xms64m
-Xmx256m

This can be done by modifying the product configuration:

   <launcherArgs>
      <programArgsMac>--launcher.secondThread</programArgsMac>
      <vmArgs>-Xms64m
-Xmx256m</vmArgs>
   </launcherArgs>

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Re: Hello World Swing Client not showing up? [message #808797 is a reply to message #808246]

Tue, 28 February 2012 06:34

Jeremie Bresson

Messages: 1252
Registered: October 2011

Senior Member

This post gives me the occasion to try SWING (For the moment I was focusing on SWT).

The method you describe do not work for me...

I found also a VM argument specific to the mac:

-Dorg.eclipse.swt.internal.carbon.smallFonts

It was probably added by the SDK. I tried with and without it...
Is this argument needed ?

In some cases I got the lines:

[Java CocoaComponent compatibility mode]: Enabled
[Java CocoaComponent compatibility mode]: Setting timeout for SWT to 0.100000

and sometimes not.

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Re: Hello World Swing Client not showing up? [message #809088 is a reply to message #805829]

Tue, 28 February 2012 13:17

Matthias Villiger

Messages: 232
Registered: September 2011

Senior Member

There is also a short guide on how to use swing client on Mac OS X in the Minicrm Tutorial: New_Eclipse_Scout_Project.
At the end of chapter "Create a new Eclipse Scout project" you can find some hints. Do they help?

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