Ah, you're right actually.  I hadn't looked closely enough at that bug.
We'll have to get the Jasper guys to fix that and then upgrade.

Thanks,
Don

On Mon, Oct 19, 2009 at 10:39 AM, Marc Guillemot <[email protected]>wrote:

>
> This seems to be a really old issue that relates to something
> different... or do you mean that GAE uses a 5 years old version of Jasper?
>
> I've just look at the current sources of PageContextImpl
>
> http://svn.apache.org/repos/asf/tomcat/trunk/java/org/apache/jasper/runtime/PageContextImpl.java
> and it seems to me that the problem still exists there.
>
> Cheers,
> Marc.
>
> Don Schwarz a écrit :
> > Yes, this is:
> >
> > https://issues.apache.org/bugzilla/show_bug.cgi?id=31171
> >
> > We need to bundle a later version of Jasper with the App Engine SDK to
> > fix this.
> >
> > On Mon, Oct 19, 2009 at 10:24 AM, Marc Guillemot <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> >
> >     Hi,
> >
> >     any progress on this issue?
> >
> >     Is it possible that it comes from a bug in Jasper, not able to
> recognize
> >     RuntimeException occurring in a PrivilegedExceptionAction?
> >
> >     // org.apache.jasper.runtime.PageContextImpl
> >
> >     public void handlePageException(final Throwable t) throws
> IOException,
> >         ServletException {
> >       if (t == null)
> >         throw new NullPointerException("null Throwable");
> >
> >       if (SecurityUtil.isPackageProtectionEnabled()) {
> >         try {
> >           AccessController.doPrivileged(
> >               new PrivilegedExceptionAction<Void>() {
> >             public Void run() throws Exception {
> >               doHandlePageException(t);
> >               return null;
> >             }
> >           });
> >         } catch (PrivilegedActionException e) {
> >           Exception ex = e.getException();
> >           if (ex instanceof IOException) {
> >             throw (IOException) ex;
> >           } else {
> >             throw (ServletException) ex; <------ here?
> >           }
> >         }
> >       } else {
> >         doHandlePageException(t);
> >       }
> >
> >     }
> >
> >     Cheers,
> >     Marc.
> >
> >     Toby Reyelts a écrit :
> >      > There's an outstanding issue in the version of Jasper App Engine
> is
> >      > currently using that can cause exceptions escaping a JSP to be
> >      > incorrectly cast to ServletException. As a temporary workaround,
> >     you can
> >      > wrap the body of your JSP in a try-catch block to get the actual
> >     exception.
> >      >
> >      > On Thu, Jul 30, 2009 at 1:13 PM, Blessed Geek
> >     <[email protected] <mailto:[email protected]>
> >      > <mailto:[email protected] <mailto:[email protected]>>>
> wrote:
> >      >
> >      >
> >      >
> http://cuckooberra.blessed-are-the-geek.com/TableMgr/TableMgr.jsp
> >      >
> >      >     Any idea what this error log means? LoggedIn.jsp is a rather
> >     simple
> >      >     jsp, getting a temp authtoken and exchanging it for a
> >     permanent one.
> >      >     My app runs fine on local eclipse plugin, but on deployment
> >     this error
> >      >     resulted.
> >      >
> >      >     07-30 07:30AM 49.848
> >      >     /TableMgr/LoggedIn.jsp
> >      >     java.lang.ClassCastException: java.lang.NullPointerException
> >     cannot be
> >      >     cast to javax.servlet.ServletException
> >      >            at
> >     org.apache.jasper.runtime.PageContextImpl.handlePageException
> >      >     (PageContextImpl.java:754)
> >      >
> >      >
> >      >
> >      >
> >      > >
> >
> >
> >
> >
> >
> > >
>
>
> >
>

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