Re: [Springframework-developer] Example classes needed

[<tri...@tr...>]

Lars,

You did not include your web.xml, but my guess is you need to add a
ContextLoaderListener.  The application context has to be loaded first, and the
error messages indicates that the bean 'cwxDao' can't be found, so it looks like
that did not happen.

web.xml:

<web-app>

  <!--
  - Loads the root application context of this web app at startup,
  - by default from "/WEB-INF/applicationContext.xml".
  -->
  <listener>      
    <listener-class>
      com.interface21.web.context.ContextLoaderListener
    </listener-class>
  </listener>

   <!-- more definitions -->

</web-app>


Hope this helps.

Thomas



> Hi all Spring experts,
> 
> can anyone provide me the example classes mentioned in several skeletons 
> (e.g. exampleController, exampleBusinessObject, exampleDataAccessObject) ?
> 
> The two provided sample applications don't reflect the skeletons very well.
> There should be one 'big' application showing all the stuff and many small
> ones to show single options (like in WebWork 1).
> 
> I've defined the following in applicationContext.xml (and it works):
> 
> <bean id="cwxDao" class="example.dao.CwxDaoHibernate">
>   <property name="sessionFactory"><ref bean="cwxSessionFactory"/></property>
> </bean>
> 
> When defining 
> 
> (cwx-servlet.xml)
> 
> <!--  Controller for the initial "Hello" page -->
> <bean id="cwxController" class="example.web.CwxController">
>   <property name="cwxDao"><ref external="cwxDao"/></property>
> </bean>
> 
> (CwxController)
> 
>  private CwxDao cwxDao;
> 
> public void setCwxDao(CwxDao cwxDao) {
>     this.cwxDao = cwxDao;
>  }
> 
> 
> I always get
> 
> ERROR [com.interface21.web.servlet.DispatcherServlet] - <Servlet with name
> 'cwx' : initialization error>
> com.interface21.beans.factory.NoSuchBeanDefinitionException: No bean named
> [cwxDao] is defined {class com.interface21.beans.factory.xml.XmlBeanFactory:
> defined beans [messageSource,viewResolver,urlMapping,cwxController]}
> 
> This is the second time I get almost useless error messages. This is one
> point where EJBs are far ahead (
> there is almost always an error message telling you what excactly  is
> wrong).
> 
> Another (dumb) question:
> 
> What is the difference between a DAO *implementation* and a business object
> and where does
> e. g. Petclinic reflect this ? I'm asking this because of the diiference
> between the skeletons and the
> sample applications. The skeletons provide a DAO and a Business Object using
> the DAO definition,
> Petclinic does not. The samples should be as close as possible to the
> skeletons or the skeletons should
> at least provide the java classes (shouldn't be too hard).
> 
> Thanks in advance
> Lars
> 
> 
> 
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