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List:       struts-user
Subject:    Re: how to use JSF tree control in a Struts application?
From:       snpe <snpe () snpe ! co ! yu>
Date:       2004-04-14 18:42:28
Message-ID: 200404141903.41104.snpe () snpe ! co ! yu
[Download RAW message or body]

I compile struts-faces2 from cvs and i get next error when I try log in
(I register, log off and try log in) :

HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:358)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
	com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:142)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)

root cause

java.lang.NullPointerException
	javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:676)
	javax.faces.component.UIViewRoot.encodeBegin(UIViewRoot.java:323)
	javax.faces.webapp.UIComponentTag.encodeBegin(UIComponentTag.java:574)
	javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:461)
	org.apache.jsp.logon_jsp._jspx_meth_s_errors_0(logon_jsp.java:131)
	org.apache.jsp.logon_jsp._jspService(logon_jsp.java:104)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
	com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:142)
	com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
	com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
	com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)

note The full stack trace of the root cause is available in the Apache Tomcat/5.0 logs
On Wednesday 14 April 2004 04:07 pm, Matthias Wessendorf wrote:
> Hi,
> 
> did you look into struts-faces
> there are two examples(one with tiles)
> 
> the jsps are all with JSF-"Tags"
> 
> and there is a <h:commandLink action="#{backingBean.method}"
> ...>-Componentent,
> the 
> public String method(){
> 
> }
> call a struts-action (on ExternalContext.dispatch)
> 
> i hope/guess you mean that.
> 
> cheers,
> 
> Matthias
> 
> PS: three backingBeans are included in example2...
> 
> 
> > -----Original Message-----
> > From: Sharath Reddy [mailto:sharathlists@yahoo.com] 
> > Sent: Wednesday, April 14, 2004 2:43 PM
> > To: user@struts.apache.org
> > Subject: how to use JSF tree control in a Struts application?
> > 
> > 
> > hello,
> > 
> > i have an existing struts application, and i need to
> > add a tree control. i thought i would take a look at
> > JSF. however, the only concrete example i found for
> > integrating struts and JSF:
> > 
> http://www-106.ibm.com/developerworks/library/j-integrate/
> 
> deals only with a simple form. is it possible to use
> the tree control? how do i distinguish between the
> different kinds of clicks (node expanded vs. leaf
> selected) in my struts action class?
> 
> thanks!
> 
> sharath
> 
> 
> 
> 
> 
> 
> 	
> 		
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