Thanks guys ,
in the past two days the matter has been clarified for me by Kent's
book . This additional info from here it's just great , and my
struggles to get this working are finally paying off .
cosmin
On 3/28/06, Denis Souza <[EMAIL PROTECTED]> wrote:
> On your getLink implementation you should "explain" to the service how to
> create an http link to it. Usually you can just call the link factory's
> constructLink method. Something like this:
>
> public ILink getLink(boolean isPost, Object parameters) {
> return linkFactory.constructLink(this, isPost, parameters, true);
> }
>
> You can inject a link factory into the service using your hivemodule.xml.
>
>
> -----Original Message-----
> From: Cosmin Bucur [mailto:[EMAIL PROTECTED]
> Sent: domingo, 26 de março de 2006 19:42
> To: Tapestry users
> Subject: Re: configuring an IEngineService in Tap4
>
> ok ... digging more into the problem , I realised that the problem now
> is me failing to understand how a IEngineService implementation should
> look . My implementation had getLink () { return null; } which I guess
> was causing the null pointer .
>
> But what should go there ? At this point I would be happy with a
> simple pointer towards proper documentation .
>
> Thanks ,
> Cosmin
>
> On 3/26/06, Cosmin Bucur <[EMAIL PROTECTED]> wrote:
> > ok well basically
> >
> > ognl: gives me the first error the outerproxy one .
> >
> > literal gives me a null pointer exception . The stack trace doesn't
> > contain any of my src files so it's a bit confusing . As far as I can
> > see there is nothing to point me towards the error :
> >
> >
> org.apache.tapestry.link.DefaultLinkRenderer.constructURL(DefaultLinkRendere
> r.java:117)
> >
> org.apache.tapestry.link.DefaultLinkRenderer.renderLink(DefaultLinkRenderer.
> java:62)
> >
> org.apache.tapestry.link.AbstractLinkComponent.renderComponent(AbstractLinkC
> omponent.java:95)
> > org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:617)
> >
> org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:434)
> >
> org.apache.tapestry.components.RenderBody.renderComponent(RenderBody.java:44
> )
> > $RenderBody_7.renderComponent($RenderBody_7.java)
> > org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:617)
> >
> org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:434)
> > org.apache.tapestry.html.Body.renderComponent(Body.java:129)
> > $Body_6.renderComponent($Body_6.java)
> > org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:617)
> >
> org.apache.tapestry.AbstractComponent.renderBody(AbstractComponent.java:434)
> > org.apache.tapestry.html.Shell.renderComponent(Shell.java:114)
> > $Shell_5.renderComponent($Shell_5.java)
> > org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:617)
> > org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:92)
> > org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:617)
> > org.apache.tapestry.BaseComponent.renderComponent(BaseComponent.java:92)
> > org.apache.tapestry.AbstractComponent.render(AbstractComponent.java:617)
> > org.apache.tapestry.AbstractPage.renderPage(AbstractPage.java:275)
> > org.apache.tapestry.engine.RequestCycle.renderPage(RequestCycle.java:366)
> >
> org.apache.tapestry.services.impl.ResponseRendererImpl.renderResponse(Respon
> seRendererImpl.java:71)
> >
> $ResponseRenderer_10a3786c9cb.renderResponse($ResponseRenderer_10a3786c9cb.j
> ava)
> >
> $ResponseRenderer_10a3786c9ca.renderResponse($ResponseRenderer_10a3786c9ca.j
> ava)
> > org.apache.tapestry.engine.PageService.service(PageService.java:68)
> > $IEngineService_10a3786ca3a.service($IEngineService_10a3786ca3a.java)
> >
> org.apache.tapestry.services.impl.EngineServiceInnerProxy.service(EngineServ
> iceInnerProxy.java:77)
> >
> org.apache.tapestry.services.impl.EngineServiceOuterProxy.service(EngineServ
> iceOuterProxy.java:66)
> > org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:248)
> >
> org.apache.tapestry.services.impl.InvokeEngineTerminator.service(InvokeEngin
> eTerminator.java:60)
> >
> $WebRequestServicer_10a3786ca15.service($WebRequestServicer_10a3786ca15.java
> )
> >
> $WebRequestServicer_10a3786ca14.service($WebRequestServicer_10a3786ca14.java
> )
> >
> $WebRequestServicer_10a3786ca11.service($WebRequestServicer_10a3786ca11.java
> )
> >
> $WebRequestServicer_10a3786ca10.service($WebRequestServicer_10a3786ca10.java
> )
> >
> org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.service(W
> ebRequestServicerPipelineBridge.java:56)
> >
> $ServletRequestServicer_10a3786c9f5.service($ServletRequestServicer_10a3786c
> 9f5.java)
> >
> $ServletRequestServicer_10a3786c9f4.service($ServletRequestServicer_10a3786c
> 9f4.java)
> >
> org.apache.tapestry.request.DecodedRequestInjector.service(DecodedRequestInj
> ector.java:55)
> >
> $ServletRequestServicerFilter_10a3786c9f1.service($ServletRequestServicerFil
> ter_10a3786c9f1.java)
> >
> $ServletRequestServicerFilter_10a3786c9f0.service($ServletRequestServicerFil
> ter_10a3786c9f0.java)
> >
> $ServletRequestServicer_10a3786c9f6.service($ServletRequestServicer_10a3786c
> 9f6.java)
> >
> org.apache.tapestry.multipart.MultipartDecoderFilter.service(MultipartDecode
> rFilter.java:52)
> >
> $ServletRequestServicerFilter_10a3786c9ef.service($ServletRequestServicerFil
> ter_10a3786c9ef.java)
> >
> $ServletRequestServicerFilter_10a3786c9ee.service($ServletRequestServicerFil
> ter_10a3786c9ee.java)
> >
> $ServletRequestServicer_10a3786c9f6.service($ServletRequestServicer_10a3786c
> 9f6.java)
> >
> org.apache.tapestry.services.impl.SetupRequestEncoding.service(SetupRequestE
> ncoding.java:53)
> >
> $ServletRequestServicerFilter_10a3786c9f3.service($ServletRequestServicerFil
> ter_10a3786c9f3.java)
> >
> $ServletRequestServicerFilter_10a3786c9f2.service($ServletRequestServicerFil
> ter_10a3786c9f2.java)
> >
> $ServletRequestServicer_10a3786c9f6.service($ServletRequestServicer_10a3786c
> 9f6.java)
> >
> $ServletRequestServicer_10a3786c9e9.service($ServletRequestServicer_10a3786c
> 9e9.java)
> >
> $ServletRequestServicer_10a3786c9e8.service($ServletRequestServicer_10a3786c
> 9e8.java)
> >
> org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:123
> )
> > org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:79)
> > javax.servlet.http.HttpServlet.service(HttpServlet.java:596)
> > javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
> > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428)
> >
> org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebAppl
> icationHandler.java:830)
> >
> org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterI
> nternal(OpenSessionInViewFilter.java:172)
> >
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestF
> ilter.java:76)
> >
> org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebAppl
> icationHandler.java:821)
> >
> org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandl
> er.java:471)
> > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568)
> > org.mortbay.http.HttpContext.handle(HttpContext.java:1530)
> >
> org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext
> .java:633)
> > org.mortbay.http.HttpContext.handle(HttpContext.java:1482)
> > org.mortbay.http.HttpServer.service(HttpServer.java:909)
> > org.mortbay.http.HttpConnection.service(HttpConnection.java:816)
> > org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:982)
> > org.mortbay.http.HttpConnection.handle(HttpConnection.java:833)
> > org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244)
> > org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357)
> > org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)
> >
> >
> > On 3/26/06, Cosmin Bucur <[EMAIL PROTECTED]> wrote:
> > > as far as the last error , it's because i started trying service
> > > instead of engine-service , at one point .
> > >
> > > I have fixed that and trying to get more information on new exceptions
> > >
> > > On 3/26/06, Cosmin Bucur <[EMAIL PROTECTED]> wrote:
> > > > Somehow that error dissapeared now , but I am getting something at the
> > > > injection line .
> > > >
> > > > <inject property="pdfService" object="service:pdfService"/>
> > > >
> > > > Error at context:/WEB-INF/tests/ServiceTest.page, line 20, column 84:
> > > > Error adding property pdfService to class tests.ServiceTest: Service
> > > > point tapestry.pdfService does not exist.
> > > >
> > > > My hivemodule.xml is the same as before ... I tried literal in front
> > > > of value="literal:pdfService"/> and i got errors that it can't be
> > > > found . Also tried object="literal:pdfService" but got some more
> > > > errors and i didn't think it should be used there .
> > > >
> > > >
> > > > On 3/26/06, Mike Snare <[EMAIL PROTECTED]> wrote:
> > > > > > <component id="serviceLnk" type="ServiceLink" >
> > > > > > <binding name="service" value="pdfService" />
> > > > > > </component>
> > > > >
> > > > > I think you want to use a literal: binding prefix on the value for
> > > > > service. What's happening is your expression 'pdfService' is an
> ognl
> > > > > expression that resolves to a call to getPdfService() on the class.
> > > > > It takes the resulting service and calls toString to generate the
> > > > > link. Since the actual object returned from getPdfService is a
> proxy
> > > > > (apparently an 'OuterProxy', to be specific) the link is hosed.
> > > > >
> > > > > Try:
> > > > > <component id="serviceLnk" type="ServiceLink" >
> > > > > <binding name="service" value="literal:pdfService" />
> > > > > </component>
> > > > >
> > > > >
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> > > > >
> > > > >
> > > >
> > >
> >
>
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