Andy Hahn wrote:
>
>
> I have kind of sorted this out..
>
> My goal is simple - I don't ever want my users to see errors caused by
> actions or jsps, and I want to be able to record every error.
>
> My configuration is struts 2.1.6, struts-spring-plugin,
> struts-tiles-plugin, hibernate, jsp, tomcat.
>
> This topic seems to be seldom fully covered, in particular for S2. Many
> people recommend either defining an error-page in web.xml or using global
> exception mappings.
>
> I have resorted to using the latter, and so far it has been catching both
> action and jsp exceptions. From looking at Figure 1.4 on page 15 of
> Struts 2 In Action, it appears that the Exception interceptor will fire
> after the Result has completed, which would theoretically catch any
> exceptions thrown by the JSP. And that seems to be happening for me. I
> would have expected Struts 2 to have to hand off control of the JSP to the
> container at some point but who knows how its working its magic.
>
> So I guess my solution is to use a global exception mapping and skip the
> web.xml error-page. I then record the exception details in a service and
> then redirect to an Action which renders a generic error page JSP. So far
> so good. If anyone has any thoughts, please let me know. Thanks!
>
>
>
>
>> Date: Mon, 26 Jan 2009 14:21:39 +0000
>> From: ahardy.str...@cyberspaceroad.com
>> To: user@struts.apache.org
>> Subject: Re: Handling JSP exceptions in Struts2
>>
>> Did you sort this out already Andy?
>>
>> I can't remember whether the web.xml error page is the same mechanism as
>> the
>> error page declaration.
>>
>> As for grabbing the exception object, I guess it must be in some servlet
>> container scope like the request attributes under some key or other.
>>
>> You could even use an interceptor to check for exceptions after the
>> result.
>>
>> Sorry I can't be more specific, I guess it leaves up to you to try out
>> different
>> strategies. Presuming that you're not using templating of any kind since
>> you
>> didn't mention it, it shouldn't be too difficult. But you also didn't say
>> what
>> the problem was with your web.xml approach.
>>
>> I can see you having problems though if you don't buffer your response.
>>
>> Regards
>> Adam
>>
>> Andy on 22/01/09 14:18, wrote:
>> > Thanks for the response. What I'd like to do is allow an action to
>> handle
>> > the JSP exception instead of a JSP, so that I can save the exception to
>> the
>> > DB and then redirect the user to an error page. The problem I am
>> having is
>> > trying to get the exception object to pass to the action. This is what
>> I was
>> > trying to use (web.xml):
>> >
>> > <error-page> <exception-type>java.lang.Exception</exception-type>
>> > <location>/canvas.action</location> </error-page>
>> >
>> >
>> >
>> >> Date: Thu, 22 Jan 2009 11:19:35 +0000 From:
>> >> ahardy.str...@cyberspaceroad.com To: user@struts.apache.org Subject:
>> Re:
>> >> Handling JSP exceptions in Struts2
>> >>
>> >> Andy on 20/01/09 17:49, wrote:
>> >>> Using the Exception interceptor works great for catching exceptions
>> throw
>> >>> by actions. However I am wondering what is the recommended method
>> for
>> >>> catching and handling exceptions thrown by a JSP? I assume that JSP
>> >>> exceptions are outside the S2 scope and are to be handled at the
>> >>> container level?
>> >> Assumption correct.
>> >>
>> >> Your situation might be quite simple if you have a basic JSP. Put in
>> an
>> >> error declaration
>> >>
>> >> <%@ page errorPage="/WEB-INF/jsp/error.jsp" %>
>> >>
>> >> and handle it there.
>> >>
>> >> If you're using multiple JSPs with a templating system like tiles, it
>> gets
>> >> more complicated. I do and I put a meta-redirect in my error JSP so
>> that
>> >> the browser doesn't show the mix of correct and broken fragments.
>> >>
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Hellow,
I am using struts2.0 in my project.I am getting all error messages after
submitting the form.
But i am not getting the error messages in proper order as the fields order
in form.
please let me know how to solve this one.please tell me if any of you know.
Regards
Nageswara Rao
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