Hey guys,
I am getting quite random internal GWT errors when I am using the GWT
canvas widget in complex cases. Sometimes, seemingly random, JSNI
errors are fired such as:
com.google.gwt.dev.shell.HostedModeException: Something other than an
int was returned from JSNI method
'@com.google.gwt.dom.client.CanvasElement::getWidth()': JS value of
type JavaScript object(20511), expected int
at com.google.gwt.dev.shell.JsValueGlue.getIntRange(JsValueGlue.java:
266)
at com.google.gwt.dev.shell.JsValueGlue.get(JsValueGlue.java:144)
at
com.google.gwt.dev.shell.ModuleSpace.invokeNativeInt(ModuleSpace.java:
247)
at
com.google.gwt.dev.shell.JavaScriptHost.invokeNativeInt(JavaScriptHost.java:
75)
at com.google.gwt.dom.client.CanvasElement$.getWidth$
(CanvasElement.java)
at
com.google.gwt.canvas.client.Canvas.getCoordinateSpaceWidth(Canvas.java:
127)
at...
These errors occur quite often, but do not seem to break anything.
They usually originate from a getCoordinateSpaceHeight() call on the
canvas. I tried digging in the debugger to find out what's wrong, but
the debugger does not cross the JSNI boundary, so I can't see what's
going on in javascript.
Anyone got any idea what is causing these errors?
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