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[ercp-dev] eSWT Demo: Unhandled event loop exception - Reason: NullPointerException
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Hello eRCP Developers,
I'm using the J9 as VM and the eRCP 1.2 Runtime package as Target Platform.
If i start eSWT Demo App (org.eclipse.ercp.swt.demo) with eWorkbench i'm
getting a Unhandled event loop exception because an
NullPointerException. (Look at strack-trace below).
I'm just doing this:
- I select the showcase "Label".
- I press the command "Start".
- Now i can see the Label example.
- And if i click on the command "Back to Menu".
- I'm getting the "Unhandled event loop exception".
I'm not just getting the exception with the "Label" showcase, also with
Calendar, CaptionedControl, Command, Composite, Low-Level-Graphics,
Menu, MessageBox, MobileShell, MultiPage, PhoneBook, Table BUT NOT WITH
Browser, MVC-ListBox and Tree.
I checked out the source via CVS at
:pserver:anonymous@xxxxxxxxxxxxxxx:/cvsroot/rt, but also the plugin
(org.eclipse.ercp.swt.demo_1.2.0.jar) in the eRCP Runtime package causes
the same exception.
I don't think that this is a bug, but more an configuration fault in my
eclipse.
Do you have any idea, why i get this error ?
Regards
Lukas
java.lang.NullPointerException
at
org.eclipse.ercp.swt.samples.eswtdemo.MainMenu$MyBackground.controlResized(MainMenu.java:174)
at
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:148)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:614)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:649)
at org.eclipse.swt.widgets.Widget.internal_sendEvent(Widget.java:618)
at org.eclipse.swt.widgets.Control.setBounds(Control.java:1403)
at org.eclipse.swt.widgets.Composite.setBounds(Composite.java:370)
at org.eclipse.swt.layout.FillLayout.layout(FillLayout.java:198)
at org.eclipse.swt.widgets.Composite.layout(Composite.java:341)
at org.eclipse.swt.widgets.Composite.setBounds(Composite.java:373)
at org.eclipse.swt.widgets.Control.setBounds(Control.java:1426)
at org.eclipse.ui.internal.LayoutPart.setBounds(LayoutPart.java:328)
at
org.eclipse.ui.internal.presentations.PresentablePart.setBounds(PresentablePart.java:118)
at
org.eclipse.ui.internal.presentations.NativeStackPresentation.setControlSize(NativeStackPresentation.java:59)
at
org.eclipse.ui.internal.presentations.NativeStackPresentation.setBounds(NativeStackPresentation.java:45)
at org.eclipse.ui.internal.PartStack.setBounds(PartStack.java:941)
at org.eclipse.ui.internal.LayoutTree.doSetBounds(LayoutTree.java:543)
at org.eclipse.ui.internal.LayoutTree.setBounds(LayoutTree.java:534)
at
org.eclipse.ui.internal.PartSashContainer.resizeSashes(PartSashContainer.java:759)
at
org.eclipse.ui.internal.PartSashContainer.access$0(PartSashContainer.java:750)
at
org.eclipse.ui.internal.PartSashContainer$1.controlResized(PartSashContainer.java:165)
at
org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:148)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:614)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:649)
at org.eclipse.swt.widgets.Widget.internal_sendEvent(Widget.java:618)
at org.eclipse.swt.widgets.Control.setBounds(Control.java:1403)
at org.eclipse.swt.widgets.Composite.setBounds(Composite.java:370)
at org.eclipse.swt.layout.FillLayout.layout(FillLayout.java:198)
at org.eclipse.swt.widgets.Composite.layout(Composite.java:341)
at org.eclipse.swt.widgets.Composite.setBounds(Composite.java:373)
at org.eclipse.ui.internal.layout.TrimLayout.layout(TrimLayout.java:575)
at org.eclipse.swt.widgets.Composite.layout(Composite.java:341)
at
org.eclipse.ercp.swt.mobile.CommandHandle.handleEvent(Command.java:1706)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82)
at org.eclipse.swt.widgets.Display.filterEvent(Display.java:562)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:613)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:649)
at org.eclipse.swt.widgets.Widget.internal_sendEvent(Widget.java:618)
at org.eclipse.swt.widgets.Control.focusCallback(Control.java:2417)
at com.ibm.ugl.p3ml.OS.Display_ReadAndDispatch(Native Method)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1404)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1581)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1545)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:270)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:143)
at org.eclipse.ercp.eworkbench.eWorkbench.run(eWorkbench.java:74)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.eclipse.equinox.internal.app.EclipseAppContainer.callMethodWithException(EclipseAppContainer.java:574)
at
org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:195)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
at org.eclipse.equinox.launcher.Main.main(Main.java:1212)
Unhandled event loop exception
Reason:
java.lang.NullPointerException
