Hello Everybody,
In my actual GWT Project, i have a User Interface with different
widgets. Because we continued the project from another person, we were
not able to take the newest GWT Version, so our Application is with
GWT1.7.
Now when i start my application normally, everything works. But as
soon as i start the application in the hosted Mode for debugging, i
get the follogwing error:
[ERROR] Unable to load module entry point class
ch.zhaw.geotagging.web.client.GeoTaggingMain (see associated exception
for details)
java.lang.AssertionError: A widget that has an existing parent widget
may not be added to the detach list
at
com.google.gwt.user.client.ui.RootPanel.detachOnWindowClose(RootPanel.java:
122)
at com.google.gwt.user.client.ui.RootPanel.get(RootPanel.java:197)
at
ch.zhaw.geotagging.web.client.DrivenWay.buildInputForm(DrivenWay.java:
97)
at ch.zhaw.geotagging.web.client.DrivenWay.<init>(DrivenWay.java:43)
at
ch.zhaw.geotagging.web.client.GeoTaggingMain.onModuleLoad(GeoTaggingMain.java:
29)
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 com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:326)
at
com.google.gwt.dev.shell.BrowserWidget.attachModuleSpace(BrowserWidget.java:
343)
at com.google.gwt.dev.shell.ie.BrowserWidgetIE6.access
$300(BrowserWidgetIE6.java:37)
at
com.google.gwt.dev.shell.ie.BrowserWidgetIE6$External.gwtOnLoad(BrowserWidgetIE6.java:
77)
at
com.google.gwt.dev.shell.ie.BrowserWidgetIE6$External.invoke(BrowserWidgetIE6.java:
161)
at
com.google.gwt.dev.shell.ie.IDispatchImpl.Invoke(IDispatchImpl.java:
294)
at
com.google.gwt.dev.shell.ie.IDispatchImpl.method6(IDispatchImpl.java:
194)
at
org.eclipse.swt.internal.ole.win32.COMObject.callback6(COMObject.java:
117)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:1925)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2966)
at
com.google.gwt.dev.SwtHostedModeBase.processEvents(SwtHostedModeBase.java:
264)
at
com.google.gwt.dev.HostedModeBase.pumpEventLoop(HostedModeBase.java:
557)
at com.google.gwt.dev.HostedModeBase.run(HostedModeBase.java:405)
at com.google.gwt.dev.HostedMode.main(HostedMode.java:232)
I really need the debugging function, because some stuff is not
working as it should..
The code line in the error report (at
ch.zhaw.geotagging.web.client.DrivenWay.buildInputForm(DrivenWay.java:
97))
is not the first line, where we use the "
RootPanel.get("xx").add(xx);" Method, so i really don't get it, why
the error comes at this line. I searched with google to find some
solution, but i didn't understand, why i have this error..
If somebody has an idea..
Thanks and with best regards.
Jan
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