I'm having a problem reloading a document. The first time I try to reload I
just get a blank page, on the second try to reload it seems to work. But
sometimes on the second reload I get:
java.lang.IllegalStateException: RunnableQueue not started or has exited
at
org.apache.batik.util.RunnableQueue.invokeAndWait(RunnableQueue.java:257)
at
com.fireflydesign.svg.SVGStage$AnimationTimer.run(SVGStage.java:639)
and things don't function anymore.
I assume that I need to shut somethings down before changing the document?
Is that what you are referring to when you say "don't load new SVG documents
until pending DOM updates"?
Thanks,
Denis
----- Original Message -----
From: "George Armhold" <[EMAIL PROTECTED]>
To: "Batik Users" <[EMAIL PROTECTED]>
Sent: Monday, September 29, 2003 12:29 PM
Subject: Re: JSVGComponent dynamic DOM update, invokeAndWait threading issue
> Sorry for the late reply to this thread; I was travelling when your
> reply came in.
>
> Thomas DeWeese wrote:
>
> >> So now my question is: how can I know when it's safe to call
> >> UpdateManager um = getUpdateManager();
> >> RunnableQueue rq = um.getUpdateRunnableQueue();
> >>
> >> and add things to the RunnableQueue?
> >
> >
> > It is safe after the first GVT rendering completes. This is
> > _before_ the managerStarted call back, so this shouldn't be the
> > problem. You should have enough instrumentation in your code now to
> > figure out what the sequence of events is that leads to the Null
> > UpdateManager is.
>
> Indeed, thanks to your help. It seems there were two key issues in my
> code:
>
> - make sure sure UpdateManager is available (wait until
> gvtRenderingCompleted event) before starting DOM updates.
>
> - don't load new SVG documents until pending DOM updates
> (UpdateManager's RunnableQueue) to the currently loaded doc have
> completed.
>
>
> Although I need to complete more testing, I have not seen any more
> crashes since applying these two fixes. Thanks!
>
>
> --
> George Armhold
> Rutgers University
> eLearning Grant, DCIS
>
>
>
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