Re: Dialog / Seam

Thu, 12 Apr 2007 05:03:44 -0700 

Chris,

try to resolve your component and look if it's can be resolved:

       FacesContext context = FacesContext.getCurrentInstance();
       Application application = context.getApplication();
       ELContext elContext = context.getELContext();
ValueExpression valueExpression = application.getExpressionFactory().createValueExpression(elContext, "#{dialogManaged}", Object.class); Object obj = valueExpression.getValue(elContext);
It looks as a seam's configuration error... I don't have problems with trinidad + seam like this..
Have you put seam.properties or components.xml in your jar containing the seam Component? It's necessary find the components. 


Bruno E. Grossi


Chris Hane wrote:

I'm trying to create a dialog and I'm using Seam.  I've pretty much used
the sample information from the Trinidad documentation and am getting an error. Is there something specific I should be looking for in order to debug this one? 

facelet snippet is:
<tr:inputText label="Pick a number:" value="(Empty)"
              binding="#{dialogManager.input}"/>
<tr:commandButton text="Add"
                  action="#{dialogManager.doLaunch}"
                  partialSubmit="true" useWindow="true"
                  windowWidth="250" windowHeight="250"
returnListener="#{dialogManager.returned}"/> 
For the backing bean I am using Seam component with @Name and not
faces-config.xml managed bean functionality.  My understanding is this
should be the same thing. But alas it must not be since I'm getting an error: 

@Name("dialogManager")
@Stateful
public class DialogManager implements IDialogManager{

   public UIXInput getInput(){
      return _input;
   }

   public void setInput(UIXInput input){
      _input = input;
   }

   public String doLaunch(){
      RequestContext afContext = RequestContext.getCurrentInstance();
      Map<String, Object> process = afContext.getPageFlowScope();
      process.put("lastLaunch", new Date());

      return "dialog:chooseList";
   }

   public void returned(ReturnEvent event){
      if(event.getReturnValue() != null) {
         getInput().setSubmittedValue(null);
         getInput().setValue(event.getReturnValue());
      }
   }

   @Destroy
   @Remove
   public void destroy(){
   }

   private UIXInput _input;
} It looks like the backing bean can not be found. Is the variable resolver 
not being used?  This is what Seam overrides to "find" components that it
manages.  Any thoughts on what to look at next?


Here is the exception:
2007-04-11 22:22:41,578 ERROR [org.jboss.seam.web.ExceptionFilter] uncaught exception javax.servlet.ServletException: /maintenance/broadcast/scheduled/scheduled.xhtml @62,58 binding="#{dialogManager.input}": 
  Target Unreachable, identifier 'dialogManager' resolved to null
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:210) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:167) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:140) at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:93) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
    at com.itsolut.servlet.LoggingFilter.doFilter(LoggingFilter.java:28)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) 
    at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) 
    at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282) 
    at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) 
    at java.lang.Thread.run(Thread.java:595)
2007-04-11 22:22:41,578 ERROR [org.jboss.seam.web.ExceptionFilter] exception root cause javax.faces.el.PropertyNotFoundException: /maintenance/broadcast/scheduled/scheduled.xhtml @62,58 binding="#{dialogManager.input}": Target Unreachable, identifier 'dialogManager' resolved to null at com.sun.facelets.el.LegacyValueBinding.isReadOnly(LegacyValueBinding.java:84) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:68) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:41) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:78) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:41) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:78) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:41) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:78) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:41) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:78) at org.apache.myfaces.shared_impl.util.RestoreStateUtils.recursivelyHandleComponentReferencesAndSetValid(RestoreStateUtils.java:41) at org.apache.myfaces.lifecycle.LifecycleImpl.restoreView(LifecycleImpl.java:179) at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:66) 
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:137)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invokeDoFilter(TrinidadFilterImpl.java:210) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:167) at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:140) at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:93) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 
    at com.itsolut.servlet.LoggingFilter.doFilter(LoggingFilter.java:28)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63) 
    at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79) at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49) 
    at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282) 
    at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) 
    at java.lang.Thread.run(Thread.java:595)



Thanks,
Chris....

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