Eclipse Java application: Returning exit code \= 0 opens unwanted window

Question

We're building an application in Java based on Eclipse. Its entry point implements IApplication. The exit code is set by method start().

The problem is that if the exit code is not 0, Eclipse presents a dialog box saying "Java was started but returned exit code=...". After the user closes the dialog, the application terminates and the exit code is correctly set.

How can I prevent the warning dialog from being displayed?

Thanks, Ulrich

Windows 8.1

org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar

just by letting the start() method return. The return value then is the exit code. — Ulrich Scholz
– Ulrich Scholz, Commented May 9, 2015 at 7:28

Luis Matos · Accepted Answer · 2015-05-09 20:55:04Z

If you add this:

--launcher.suppressErrors

to your eclipse.ini file, it should prevent the dialog to be shown.

If you don't want the message to appear on your stderr as well, you should set the system variable "eclipse.exitdata" to empty. That will prevent any message to be written, either on stderr or on the dialog.

Annika Karjakina · Accepted Answer · 2018-06-20 19:39:36Z

Add the following line to your IApplication.start(IApplicationContext) method before returning your exit code:

// prevent launcher messages System.setProperty(IApplicationContext.EXIT_DATA_PROPERTY, ""); return exitCode;

And add --launcher.suppressErrors to the command you run.

Linking the useful bug on that topic: https://bugs.eclipse.org/bugs/show_bug.cgi?id=313819

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