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Update application Eclipse Mars from Eclipse Kepler [message #1720988]

Fri, 22 January 2016 10:36

labine labine

Messages: 10
Registered: December 2015

Junior Member

Hi,

I'm trying to update my application to Eclipse Mars from Eclipse Kepler.

After I updated my target platform, i launch the application and the following exception is catched.

org.eclipse.swt.SWTException: Invalid thread access
	at org.eclipse.swt.SWT.error(SWT.java:4491)
	at org.eclipse.swt.SWT.error(SWT.java:4406)
	at org.eclipse.swt.SWT.error(SWT.java:4377)
	at org.eclipse.swt.widgets.Display.error(Display.java:1258)
	at org.eclipse.swt.widgets.Display.checkDevice(Display.java:764)
	at org.eclipse.swt.widgets.Display.getHighContrast(Display.java:1872)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application.setCSSContextVariables(E4Application.java:312)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Application.createE4Workbench(E4Application.java:293)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:620)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	at my.MyApplication.start(MyApplication.java:52)

Seems like my startup configuration is missing something.

Have you an idea ?

Thanks.

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Re: Update application Eclipse Mars from Eclipse Kepler [message #1721529 is a reply to message #1720988]

Thu, 28 January 2016 04:24

Brian de Alwis

Messages: 877
Registered: January 2012

Senior Member

You haven't provided enough detail to help. What platform is this on? If OS X, make sure you run with -XstartOnFirstThread.

Are you sure your my.MyApplication.start() is being started on the main thread? Otherwise, this indicates that you're (accidentally) creating a Display instance from another thread, such as by calling Display.getDefault(). Put a breakpoint on Display's constructors and see how/when they're being created.

Brian.

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