Hi, Just to make sure I understand. Do you say that other OSGi-Bundles bring with them their own FXCanvas?
I've been looking at the e(fx)clipse code [1] who deals with FXCanvas, ... but I can't think of a situation where we create multiple classloaders. Tom [1] https://github.com/eclipse/efxclipse-rt/blob/3.x/modules/core/org.eclipse.fx.osgi/src/main/java/org/eclipse/fx/osgi/fxloader/FXClassLoader.java On 04.10.18 15:03, marcel Austenfeld wrote: > Hello Kevin, > > I still have problems with the error: "java.lang.IllegalStateException: > Toolkit already initialized". > > However I found out that this error only occurs if I call SWT FXCanvas > classes located in different Eclipse plugins. > > I can create multiple JavaFX canvas if they are located in one Eclipse plugin. > > Vice versa if I try to to open the JavaFX SceneBuilder canvas which is > located in a seperate Eclipse plugin this error occurs again. > > So I wonder that beginning with Java 9 the JavaFX toolkit doesn't recognize > an already started toolkit in another Eclipse plugin (which was definitely > the case with Java 8!). > > Maybee this has something to do with the new module system of Java >=9? > > > > > Gesendet: Mittwoch, 26. September 2018 um 14:09 Uhr > Von: "Kevin Rushforth" <kevin.rushfo...@oracle.com> > An: "marcel Austenfeld" <marcel...@web.de>, openjfx-dev@openjdk.java.net > Betreff: Re: "Toolkit already initialized" error with OpenJDK 11 > I'm' not aware of anything that intentionally changed between FX in JDK > 8 and FX 11, but my guess is that the FX runtime is being shutdown after > your first FXCanvas exits. Try making the following call (only needed > one time) before creating your first FXCanvas: > > Platform.setImplicitExit(false); > > -- Kevin > > On 9/26/2018 4:22 AM, marcel Austenfeld wrote: >> First of all congratulation to the new release and thank you for the hard >> work on JavaFX. >> >> >> I have a problem with JavaFX which in my case is embedded in a Rich Client >> Platform of Eclipse. >> >> I integrated several SWT FXCanvas (some with SwingNode panels as a SWT_AWT >> replacement) into my app. >> >> This works fine in Java 8 which my current release depends on. >> >> However in Java 11 after the second panel is initialized at startup I get >> the following error: >> >> "Caused by: java.lang.IllegalStateException: Toolkit already initialized" >> >> Is there a new option available to avoid a new initialization of the toolkit >> if several FXCanvas are embedded in an application? >> Or do you now any changes since Java 8 which could the cause of such an >> exception? >> >> >> Thanks in advance for any help. > > -- Tom Schindl, CTO BestSolution.at EDV Systemhaus GmbH Eduard-Bodem-Gasse 5-7. A-6020 Innsbruck Reg. Nr. FN 222302s am Firmenbuchgericht Innsbruck
