I have experienced the same issue. My guess is that a more careful
reading of the spec would enlighten us all. The ClassCastException does
not occur when referencing objects that have page scope. For example,
if I simply recompile a bean (making no changes to the source) then
attempt to reload a .jsp which uses that bean:
<jsp:useBean id="utils" class="util.XMLUtilsBean" scope="session"/>
I get a ClassCastException. I have to either
a.) change the "id" attribute value
b.) restart the server
c.) use
session.removeAttribute("utils");
prior to invoking the bean.
> I encountered the same thing on my jsp page using a bean. I encountered
> the same thing for servlets. It was unpredicatable and it didn't happen
> everytime. When it does happen, all I did was restart tomcat and it
> would work. My servlets are also set to be reloadable.
>
> I would appreciate if someone knows where to get the fix for this.
>
> --
> Antonio W. Lagnada
> [EMAIL PROTECTED] - email
>
> This email address is specifically
> for JSP-Interest email list
>
>
> ---- Laiwu Luo <[EMAIL PROTECTED]> wrote:
> > ***Please Note: This email was has been in a queue since Friday, September,
> > 1. You may or may not have already received it. For more information,
> > please contact [EMAIL PROTECTED]
> > We are following model 2 architecture to develop an application on
> > Tomcat3.1 server. But we encounter a problem whenever we recompile
> > the
> > controller servlet code, we have to restart Tomcat server; otherwise,
> > JSP page will get "java.lang.ClassCastException" which relates to the
> > code we use to cast a java bean after retrieved it from session object
> > inside JSP code. (By the way, we have edited the "conf/server.xml"
> > file
> > so that the application codes are reloadable.)
> >
> > We are anxious to know if anyone encounter the similar problem and
> > how
> > to solve it.
> >
> > Thanks,
> >
> > --
> > Laiwu Luo
> >
> > ===========================================================================
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> > Some relevant FAQs on JSP/Servlets can be found at:
> >
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> >
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> >
> > http://java.sun.com/products/jsp/faq.html
> > http://www.esperanto.org.nz/jsp/jspfaq.html
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>
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> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
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|********************************|
| Armen Ezekielian <[EMAIL PROTECTED]> |
| Science & Collaborations Group |
| The Ohio Supercomputer Center |
| http://www.osc.edu |
|********************************|
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