Hi,
I'm afraid this won't work.
You'll need to wrap it in RuntimeException and unwrap it in your other
filter.
On Thu, May 30, 2013 at 5:18 PM, Eusie <ygou....@gmail.com> wrote:
> Hi Martin,
>
> Thanks for your reply. However, the case here is not about runtime
> exceptions, instead I'd like to throw checked exceptions.
>
> The problem I could see is within WicketFilter, where you'll find this
> line:
>
> if (!requestCycle.**processRequestAndDetach())
>
> which processes requests. The reason why checked exceptions are not able
> to be thrown is of the signature of processRequestAndDetach:
>
> public boolean processRequestAndDetach() {
> }
>
> Where no exceptions can be thrown.
>
> Also regarding IExceptionMapper, it cannot throw any exception because of
> the signature of its map() interface, see below:
>
> public class CustomExceptionMapperProvider implements
> IProvider<IExceptionMapper>
> {
> @Override
> public IExceptionMapper get()
> {
> return new IExceptionMapper(){
>
> // Exception e cannot be re-thrown here because of the
> signature of the interface below
> @Override
> public IRequestHandler map(Exception e) {
> System.out.println("**CustomExceptionMapperProvider
> caught: " + e.getMessage());
> // this is not allowed here: throw e;
> return null;
> }};
> }
> }
>
> My question is, how would Wicket allow checked exceptions to be thrown?
>
> (By the way, I'm testing using Wicket version 6.3.)
>
> Many thanks,
> Yuci
>
>
> On 29/05/2013 13:41, Martin Grigorov wrote:
>
>> Hi,
>>
>> Wicket catches all runtime exceptions and gives them to all configured
>> IRequestCycleListeners (#onException()). If none of them knows how to
>> process the exception then the exception is given to IExceptionMapper (see
>> Application#**newExceptionMapper). The default impl of this mapper is to
>> show
>> the configured IApplicationSettings#**getInternalErrorPage().
>>
>> As a final resort you can provide your own IExceptionMapper that re-throws
>> OAuth2AccessTokenRequiredExcep****tion.
>>
>>
>>
>>
>> On Wed, May 29, 2013 at 2:41 PM, Eusie <ygou....@gmail.com> wrote:
>>
>> Hi,
>>>
>>> I am using Spring OAuth2ClientContextFilter to handle the OAuth Dance. In
>>> the thread calling stack, OAuth2ClientContextFilter is in the upstream of
>>> WicketFilter (See below the Error Message).
>>>
>>> When an access token is needed, I'd like to throw an
>>> OAuth2AccessTokenRequiredExcep****tion exception in Wicket so as to ask
>>> the
>>>
>>> upstream OAuth2ClientContextFilter to handle the exception to redirect
>>> the
>>> user to be authenticated.
>>>
>>> But the problem is Wicket Page seems not able to throw an exception as
>>> below:
>>>
>>> public HomePage(final PageParameters parameters) throws Exception {
>>> }
>>>
>>> ################### Error Message ###################
>>>
>>> Last cause: OAuth2 access denied.
>>> WicketMessage: Can't instantiate page using constructor 'public
>>> com.mycompany.HomePage(org.****apache.wicket.request.mapper.***
>>> *parameter.PageParameters)
>>>
>>> throws java.lang.Exception' and argument ''. Might be it doesn't exist,
>>> may
>>> be it is not visible (public).
>>>
>>> Stacktrace
>>>
>>> Root cause:
>>>
>>> org.springframework.security.****oauth2.client.**
>>> OAuth2AccessTokenRequiredExcep****tion: OAuth2 access denied.
>>> at com.mycompany.HomePage.<init>(****HomePage.java:22)
>>> at java.lang.reflect.Constructor.****newInstance(Constructor.**
>>> java:**
>>> 513)
>>> at org.apache.wicket.session.****DefaultPageFactory.newPage(**
>>> DefaultPageFactory.java:170)
>>> at org.apache.wicket.session.****DefaultPageFactory.newPage(**
>>> DefaultPageFactory.java:75)
>>> at org.apache.wicket.****DefaultMapperContext.****
>>> newPageInstance(**
>>> DefaultMapperContext.java:133)
>>> at org.apache.wicket.core.****request.handler.PageProvider.****
>>> resolvePageInstance(****PageProvider.java:278)
>>> at org.apache.wicket.core.****request.handler.PageProvider.****
>>> getPageInstance(PageProvider.****java:166)
>>> at org.apache.wicket.request.****handler.render.PageRenderer.**
>>> getPage(PageRenderer.java:78)
>>> at org.apache.wicket.request.****handler.render.**
>>> WebPageRenderer.renderPage(****WebPageRenderer.java:94)
>>> at org.apache.wicket.request.****handler.render.**
>>> WebPageRenderer.respond(****WebPageRenderer.java:244)
>>> at org.apache.wicket.core.****request.handler.**
>>> RenderPageRequestHandler.****respond(****RenderPageRequestHandler.java:*
>>> ***165)
>>> at org.apache.wicket.request.****cycle.RequestCycle$**
>>> HandlerExecutor.respond(****RequestCycle.java:830)
>>> at org.apache.wicket.request.****RequestHandlerStack.execute(**
>>> RequestHandlerStack.java:64)
>>> at org.apache.wicket.request.****cycle.RequestCycle.execute(**
>>> RequestCycle.java:253)
>>> at org.apache.wicket.request.****cycle.RequestCycle.**
>>> processRequest(RequestCycle.****java:210)
>>> at org.apache.wicket.request.****cycle.RequestCycle.**
>>> processRequestAndDetach(****RequestCycle.java:281)
>>> at org.apache.wicket.protocol.****http.WicketFilter.**
>>> processRequest(WicketFilter.****java:188)
>>> at org.apache.wicket.protocol.****http.WicketFilter.doFilter(**
>>> WicketFilter.java:245)
>>> at org.apache.catalina.core.****ApplicationFilterChain.**
>>> internalDoFilter(****ApplicationFilterChain.java:****235)
>>> at org.apache.catalina.core.****ApplicationFilterChain.****
>>> doFilter(**
>>> ApplicationFilterChain.java:****206)
>>> at org.springframework.security.****web.FilterChainProxy$**
>>> VirtualFilterChain.doFilter(****FilterChainProxy.java:312)
>>> at org.springframework.security.****web.access.intercept.**
>>> FilterSecurityInterceptor.****invoke(****FilterSecurityInterceptor.****
>>> java:116)
>>> at org.springframework.security.****web.access.intercept.**
>>> FilterSecurityInterceptor.****doFilter(****FilterSecurityInterceptor.**
>>> java:83)
>>> at org.springframework.security.****web.FilterChainProxy$**
>>> VirtualFilterChain.doFilter(****FilterChainProxy.java:324)
>>> at org.springframework.security.****oauth2.client.filter.**
>>> OAuth2ClientContextFilter.****doFilter(****OAuth2ClientContextFilter.**
>>> java:94)
>>>
>>> ##############################****#######################
>>>
>>>
>>> While in Spring MVC, an exception can be thrown like this:
>>>
>>> @RequestMapping("/orcid/info")
>>> public String orcidInfo(Model model, HttpSession session) throws
>>> Exception {
>>> }
>>>
>>> My question is: how can I throw an exception in Wicket, which will be
>>> handled by another upstream filter, say OAuth2ClientContextFilter in this
>>> case.
>>>
>>> Many thanks,
>>> Yuci
>>>
>>>
>
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