Hi
Should not the <c:import url="${labApplicationWizard.currentPanel}"/> be
enclosed in a f:verbatim tag ?
Hermod
-----Original Message-----
From: Matthias Wessendorf [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 22, 2005 10:18 AM
To: MyFaces Discussion
Subject: Re: EL w/<c:import/>
perhaps a silly thing,
but try to use none scope for "labApplicationWizard"
-Matthias
Rob Williams wrote:
> Nevermind. It doesn't work with the RI either. I cannot believe it is
> impossible to use EL for a page include. This is all I'm trying to do:
>
> <html>
> <%@ taglib uri="http://java.sun.com/jsf/html"; prefix="h" %>
> <%@ taglib uri="http://java.sun.com/jsf/core"; prefix="f" %>
> <%@ taglib uri="http://java.sun.com/jstl/core_rt"; prefix="c" %>
> <f:view>
> <head>
> <title></title>
> </head>
> <body>
> <h:messages style="color: red" layout="table"/>
> <f:subview id="labApplicationPanelInfo">
> <h:form id="labApplicationForm"
> rendered="#{labApplicationWizard != null}">
> <c:import url="${labApplicationWizard.currentPanel}"/>
> </h:form>
> </f:subview>
> </body>
> </f:view>
> </html>
>
> I am trying to get the panel to embed by calling a bean method. How on
> Earth can that be too much to ask????
>
>
>
>
>
> On Mar 22, 2005, at 12:17 AM, Rob Williams wrote:
>
>> I am in the midst of trying to get an RI example running. Will let
>> you know.
>>
>> On Mar 22, 2005, at 12:02 AM, Matthias Wessendorf wrote:
>>
>>> no idea, strange. You said you'll test that with RI.
>>> Can you please submit the results here?
>>>
>>> -Matthias
>>>
>>> Rob Williams wrote:
>>>
>>>> Hi Matthias:
>>>> I saw this post. This was how I was navigating and how I ended up
>>>> in the ditch. When I do exactly as he says, I get the crazy loop
>>>> I reported. It is resolving the bean properly, which is a JSF
>>>> managed bean. I am sure of that.
>>>> The reason I'm sure of it is when you suggested Tiles I figured I
>>>> would plug that in since I was planning on using it anyway. Well,
>>>> Tiles was not the answer for this. I got it setup, and I was going
>>>> to follow the example from the Core book that shows the ability to
>>>> dynamically select a book from a menu and the tile will update
>>>> itself. Lo and behold, look what the core of that example has in
it:
>>>> <%@ taglib uri="http://java.sun.com/jstl/core_rt"; prefix="c" %>
>>>> <c:import url="${labApplicationWizard.currentPanel}"/>
>>>> (this is adapted to my problem but you can see David's version on
>>>> page 347 of the Core book.) So once I got this all plugged in and
>>>> working, now I get the following error:
>>>> java.lang.IllegalStateException: Cannot forward after response has
>>>> been committed
>>>> at
>>>>
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationD
>>>> isp atcher.java:324)
>>>> at
>>>>
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDis
>>>> pat cher.java:312)
>>>> at
>>>>
org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatc
>>>> h(S ervletExternalContextImpl.java:405)
>>>> at
>>>>
org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspV
>>>> iew HandlerImpl.java:280)
>>>> at
>>>>
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:
>>>> 300)
>>>> at
javax.faces.webapp.FacesServlet.service(FacesServlet.java:110)
>>>> Of course, the difference between my example and David's is that
>>>> his is only including html. I am trying to dynamically include
>>>> pages that have JSF components in them. Again, somehow people on
>>>> the sun newsgroups seem to think they got that working. I am
>>>> pretty convinced this is not going to work in MyFaces. I think as
>>>> a final exercise in futility I am going to try and get it running
>>>> against the RI. The people on that thread I quoted earlier today
>>>> seemed to claim they got it to work.
>>>> On Mar 21, 2005, at 11:12 PM, Matthias Wessendorf wrote:
>>>>
>>>>> Sergey.Smirnov from Exadel says:
>>>>>
>>>>> <snip>
>>>>> #{} is a propritory notation working only with the jsf tags.
>>>>> jsp:include is not a jsf tag, so you cannot use it in such manner.
>>>>> If your run-time environment supports Servlet 2.4 specification,
>>>>> you can use ${} notation to have an access to the same bean.
>>>>>
>>>>> Try the following code:
>>>>>
>>>>> <f:subview id="includeExample" rendered="#{SomeBean != null}">
>>>>> <jsp:include page="${SomeBean.jsfFileName}" />
>>>>> </f:subview>
>>>>>
>>>>> Note, rendered="#{SomeBean != null}" is an important part here.
>>>>> It guarantees that the SomeBean is loaded before you use it in
>>>>> the jsp:include
>>>>> </snip>
>>>>>
>>>>>
>>>>> So, are you in Servlet2.4 environment? (e.g. Tomcat5.xx)
>>>>>
>>>>> I haven't tried it, but it looks like, that the backing bean, that
>>>>> contains your page names must be created *first* via a JSF tag.
>>>>>
>>>>> in this <snip/> the rendered="#{SomeBean != null}"> checks if it
is
>>>>> be created *before* that "include".
>>>>>
>>>>> What kind of bean is behind
>>>>> ${sessionScope.labApplicationWizard.currentPanel}?
>>>>>
>>>>> Is it a *normal* (<jsp:useBean/>) or a backing / managed bean?
>>>>>
>>>>> -Matthias
>>>>>
>>>>>
>>>>> Rob Williams wrote:
>>>>>
>>>>>> Matthias:
>>>>>> I went back and looked this over again. Turns out that the people
>>>>>> on this thread:
>>>>>> http://forum.java.sun.com/thread.jspa?threadID=584037&tstart=360
>>>>>> got it to work using the RI and dynamically including jsf files.
??
>>>>>> Thanks.
>>>>>> On Mar 21, 2005, at 6:45 AM, Rob Williams wrote:
>>>>>>
>>>>>>> First off, guilty as charged: I am trying to dynamically include
>>>>>>> a file that contains JSF code.
>>>>>>>
>>>>>>> I reviewed the Core book again today to look at the Tiles
>>>>>>> section. Looks like I am going to have
>>>>>>> to make the WizardController in my scenario (which is deciding
>>>>>>> which panel to include in the
>>>>>>> wizard layout, which stays the same) into a TilesController and
>>>>>>> then it should be ok.
>>>>>>>
>>>>>>> My question is why on Earth do we have to do this? What is the
>>>>>>> point of having an EL if you
>>>>>>> can't use it for something like this? Tiles looks like a good
>>>>>>> solution to other problems, but
>>>>>>> for this I would prefer that dynamic content inclusion through
>>>>>>> a simple include tag and EL
>>>>>>> would just work!
>>>>>>>
>>>>>>> Thanks.
>>>>>>>
>>>>>>> On Mar 20, 2005, at 11:41 PM, Matthias Wessendorf wrote:
>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> Amit Modi wrote:
>>>>>>>>
>>>>>>>>> Try putting the <f:subview> tag inside the jsp you want to
>>>>>>>>> import.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> No, that should not be the reason.
>>>>>>>> In tiles example we also have <f:subview/> only in *template*
>>>>>>>> JSP file.
>>>>>>>>
>>>>>>>> One hint could be, that inside of JSTL you can't access
>>>>>>>> faces-config.xml
>>>>>>>>
>>>>>>>> So why not using Tiles with Apache MyFaces?
>>>>>>>>
>>>>>>>> -Matthias
>>>>>>>>
>>>>>>>>> -----Original Message-----
>>>>>>>>> From: Rob Williams [mailto:[EMAIL PROTECTED]
>>>>>>>>> Sent: Monday, March 21, 2005 4:42 AM
>>>>>>>>> To: MyFaces User List
>>>>>>>>> Subject: EL w/<c:import/>
>>>>>>>>> Here's the part of the page I am trying to get working:
>>>>>>>>> <f:subview id="labApplicationPanelInfo">
>>>>>>>>> <c:import
>>>>>>>>> url="${sessionScope.labApplicationWizard.currentPanel}"/>
>>>>>>>>> </f:subview>
>>>>>>>>> I did some reading about using EL and found the pieces that
>>>>>>>>> would allow me
>>>>>>>>> to stipulate the URL dynamically. When I first got the pieces
>>>>>>>>> in place and
>>>>>>>>> tried it with MyFaces, it blew up with an error saying it
>>>>>>>>> couldn't find the
>>>>>>>>> servlet path for the URL (but w/jsp on the end). I did some
>>>>>>>>> searches and
>>>>>>>>> there was some talk of a fix for it (I even found a diff of
>>>>>>>>> the source
>>>>>>>>> checked in on 3/10 to fix this problem). So I synced with CVS
>>>>>>>>> and built
>>>>>>>>> everything and tried it again. The results this time are much
>>>>>>>>> more
>>>>>>>>> spectacular failure, including some of the craziest stack
>>>>>>>>> traces I've ever
>>>>>>>>> seen (looks like an endless loop). Here's an excerpt:
>>>>>>>>> at
javax.faces.webapp.FacesServlet.service(FacesServlet.java:110)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
>>>>>>>>> (Ap pl ication
>>>>>>>>> FilterChain.java:237)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationFilterChain.doFilter(Applica
>>>>>>>>> tio nF ilterCh
>>>>>>>>> ain.java:157)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.invoke(Applicatio
>>>>>>>>> nDi sp atcher.
>>>>>>>>> java:704)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.doInclude(Applica
>>>>>>>>> tio nD ispatch
>>>>>>>>> er.java:590)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.include(Applicati
>>>>>>>>> onD is patcher
>>>>>>>>> .java:510)
>>>>>>>>> at
>>>>>>>>>
org.apache.taglibs.standard.tag.common.core.ImportSupport.acquir
>>>>>>>>> eSt ri ng(Impo
>>>>>>>>> rtSupport.java:314)
>>>>>>>>> at
>>>>>>>>>
org.apache.taglibs.standard.tag.common.core.ImportSupport.doEndT
>>>>>>>>> ag( Im portSup
>>>>>>>>> port.java:179)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspx_meth_c_import_0(la
>>>>>>>>> bAp pl ication
>>>>>>>>> _jsp.java:295)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspx_meth_f_subview_0(l
>>>>>>>>> abA pp licatio
>>>>>>>>> n_jsp.java:271)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspx_meth_h_form_0(labA
>>>>>>>>> ppl ic ation_j
>>>>>>>>> sp.java:225)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspx_meth_f_view_0(labA
>>>>>>>>> ppl ic ation_j
>>>>>>>>> sp.java:141)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspService(labApplicati
>>>>>>>>> on_ js p.java:
>>>>>>>>> 90)
>>>>>>>>> at
>>>>>>>>>
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:
>>>>>>>>> 94)
>>>>>>>>> at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>>>>>>>>> at
>>>>>>>>>
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWr
>>>>>>>>> app er .java:3
>>>>>>>>> 24)
>>>>>>>>> at
>>>>>>>>>
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.j
>>>>>>>>> ava : 292)
>>>>>>>>> at
>>>>>>>>> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:
236)
>>>>>>>>> at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
>>>>>>>>> (Ap pl ication
>>>>>>>>> FilterChain.java:237)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationFilterChain.doFilter(Applica
>>>>>>>>> tio nF ilterCh
>>>>>>>>> ain.java:157)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.invoke(Applicatio
>>>>>>>>> nDi sp atcher.
>>>>>>>>> java:704)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.processRequest(Ap
>>>>>>>>> pli ca tionDis
>>>>>>>>> patcher.java:474)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.doForward(Applica
>>>>>>>>> tio nD ispatch
>>>>>>>>> er.java:409)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.forward(Applicati
>>>>>>>>> onD is patcher
>>>>>>>>> .java:312)
>>>>>>>>> at
>>>>>>>>>
org.apache.myfaces.context.servlet.ServletExternalContextImpl.di
>>>>>>>>> spa tc h(Servl
>>>>>>>>> etExternalContextImpl.java:405)
>>>>>>>>> at
>>>>>>>>>
org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView
>>>>>>>>> (Js pV iewHand
>>>>>>>>> lerImpl.java:280)
>>>>>>>>> at
>>>>>>>>>
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.
>>>>>>>>> jav a: 300)
>>>>>>>>> at
javax.faces.webapp.FacesServlet.service(FacesServlet.java:110)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
>>>>>>>>> (Ap pl ication
>>>>>>>>> FilterChain.java:237)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationFilterChain.doFilter(Applica
>>>>>>>>> tio nF ilterCh
>>>>>>>>> ain.java:157)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.invoke(Applicatio
>>>>>>>>> nDi sp atcher.
>>>>>>>>> java:704)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.doInclude(Applica
>>>>>>>>> tio nD ispatch
>>>>>>>>> er.java:590)
>>>>>>>>> at
>>>>>>>>>
org.apache.catalina.core.ApplicationDispatcher.include(Applicati
>>>>>>>>> onD is patcher
>>>>>>>>> .java:510)
>>>>>>>>> at
>>>>>>>>>
org.apache.taglibs.standard.tag.common.core.ImportSupport.acquir
>>>>>>>>> eSt ri ng(Impo
>>>>>>>>> rtSupport.java:314)
>>>>>>>>> at
>>>>>>>>>
org.apache.taglibs.standard.tag.common.core.ImportSupport.doEndT
>>>>>>>>> ag( Im portSup
>>>>>>>>> port.java:179)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspx_meth_c_import_0(la
>>>>>>>>> bAp pl ication
>>>>>>>>> _jsp.java:295)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspx_meth_f_subview_0(l
>>>>>>>>> abA pp licatio
>>>>>>>>> n_jsp.java:271)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspx_meth_h_form_0(labA
>>>>>>>>> ppl ic ation_j
>>>>>>>>> sp.java:225)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspx_meth_f_view_0(labA
>>>>>>>>> ppl ic ation_j
>>>>>>>>> sp.java:141)
>>>>>>>>> at
>>>>>>>>>
org.apache.jsp.pages.labApplication_jsp._jspService(labApplicati
>>>>>>>>> on_ js p.java:
>>>>>>>>> 90)
>>>>>>>>> at
>>>>>>>>>
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:
>>>>>>>>> 94)
>>>>>>>>> at
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>>>>>>>>> I stuck my head into some of the code to see what was causing
>>>>>>>>> this but no
>>>>>>>>> luck yet. Any thoughts appreciated.....
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>
>>>
>>
>>
>
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