I'm afraid I don't get the request. Could you please create a feature
request with a patch, clearly explaining what is wrong today and what
your patch fixes?
Thanks,
Eelco
On 7/17/06, Ittay Dror <[EMAIL PROTECTED]> wrote:
> Hi,
>
> We're using plugins similar to Eclipse's to decouple functionality. Each
> plugin's classes run in their own class loader.
>
> We've encountered a problem in onNewBrowserWindow(). it uses
> Objects.cloneObject(), which uses the default ObjectInputStream, that uses
> the class loader associated with the execution stack, rather than the
> object's. so trying to get the class of the object when reading it back fails.
>
> This can be solved by changing cloneObject to:
> public static Object cloneObject(final Object object)
> {
> if (object == null)
> {
> return null;
> }
> else
> {
> try
> {
> final ByteArrayOutputStream out = new
> ByteArrayOutputStream(256);
> ObjectOutputStream oos = new ObjectOutputStream(out);
> oos.writeObject(object);
> ObjectInputStream ois = new ObjectInputStream(new
> ByteArrayInputStream(out
> .toByteArray())) {
> protected Class
> resolveClass(ObjectStreamClass desc) throws IOException,
> ClassNotFoundException {
> String className = desc.getName();
> return Class.forName(className, true,
> object.getClass().getClassLoader()); }
> };
> return ois.readObject();
> }
> catch (ClassNotFoundException e)
> {
> throw new WicketRuntimeException("Internal error cloning
> object", e);
> }
> catch (IOException e)
> {
> throw new WicketRuntimeException("Internal error cloning
> object", e);
> }
> }
> }
>
> i think that it should work fine in this context since the object is already
> accessible when writing it. it is working for us.
>
> btw, a problem that is caused by this failure (and the throwing of
> WicketRuntimeException) is that the PageMap contains null entries (or rather,
> the session contains attributes with null values). i couldn't track why
> exactly this happens.
>
> regards,
> ittay
>
>
>
> --
> ===================================
> Ittay Dror,
> Chief architect, openQRM TL,
> R&D, Qlusters Inc.
> [EMAIL PROTECTED]
> +972-3-6081994 Fax: +972-3-6081841
>
> http://www.openQRM.org
> - Keeps your Data-Center Up and Running
>
>
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-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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