I knew I was trying to combine to many different things at once
(MyFaces/Shale) but it took Craig to wake me up to realize it and
recommended I go back to starting small. I backed out the Shale stuff
and said let me go back to just MyFaces. By comparing my web.xml with
the MyFaces example web.xml, I realized that I had somehow left out:
<!-- Listener, that does all the startup work (configuration, init). -->
<listener>
<listener-class>org.apache.myfaces.webapp.StartupServletContextListener</listener-class>
</listener>
What's odd is thte application was sort of working without it. My
navigation rules weren't working without it though. I put back the shale
stuff and now I both are behaving nicely.
Oh well, thanks for all your patience. When I finally get a handle on
this, I'll have a simple MyFaces/Shale app that will be VERY basic that
others will hopefully get some use from when just starting out. I'll try
to write it up in a step-by-step guide at some point.
Rick Reumann wrote the following on 8/25/2005 3:03 PM:
Once again I'm stuck and I'm not sure what the problem is. Not sure if
this is Shale or MyFaces related, but I'll post here first.
Before the problem some background:
<faces-config>
<navigation-rule>
<navigation-case>
<from-outcome>success</from-outcome>
<to-view-id>/employeeForm.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<managed-bean>
<managed-bean-name>employees</managed-bean-name>
<managed-bean-class>net.reumann.Employees</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
<managed-bean>
<managed-bean-name>employee</managed-bean-name>
<managed-bean-class>net.reumann.Employee</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
</faces-config>
index.jsp
--------
<jsp:forward page="/employees.faces"/>
Employees.java
--------------
backing bean
has prerender()
getEmployees() //returns list of EmployeeVO objects
Employee.java
-------------
backing bean with vars matching EmployeeVO for form use
has method:
public String retrieveEmployeeAction() {
log.debug("in retrieveEmployeeAction()");
//..
return "success";
}
employees.jsp
-------------
<f:view>
<h:form>
<h:dataTable var="emp" value="#{employees.employees}" >
...
</h:dataTable>
<h:commandButton value="test"
action="#{employee.retrieveEmployeeAction}"/>
</h:form>
</f:view>
employeeForm.jsp
------------
never reached:(
<f:view>
<h:form>
</h:form>
</f:view>
PROBLEM:
--------
When I click on the link for retrieveEmployeeAction from employees.jsp,
I see the log message fire in the appropriate method but I never reach
employeeForm.jsp. I also see right after the log message in
retrieveEmployeeAction, the log message in my prerrender of
Employees.java - that prerrender *shouldn't* fire becuase I don't see
why that file would be bound since I shouldn't be returning to
employees.jsp. The only thing I can think of is that "success" isn't
being picked up correctly by the navigation rules so it's trying to
return back to employees.jsp - in which case I could see why the
prerender would fire since it should. The error I keep getting after
clicking on the retrieveEmployeeAction link is:
2005-08-25 14:56:07 StandardWrapperValve[Faces Servlet]:
Servlet.service() for servlet Faces Servlet threw exception
javax.faces.FacesException: javax.servlet.ServletException:
javax.servlet.jsp.JspException: Unrecognized Content Type.
at
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:327)
at
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
at
org.apache.shale.faces.ShaleViewHandler.renderView(ShaleViewHandler.java:142)
at
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
<snip>
Caused by: javax.servlet.ServletException:
javax.servlet.jsp.JspException: Unrecognized Content Type.
at
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:821)
at
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
at
org.apache.jsp.employeeForm_jsp._jspService(employeeForm_jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
<snip>
If it matters here is my web.xml
--------------------------------
<filter>
<filter-name>shale</filter-name>
<filter-class>
org.apache.shale.faces.ShaleApplicationFilter
</filter-class>
</filter>
<!-- Shale Application Controller Filter Mapping -->
<filter-mapping>
<filter-name>shale</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.faces</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
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