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Date: Thu, 11 Oct 2007 17:57:02 +0200
From: Daniel Fagerstrom <danielf@nada.kth.se>
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To: dev@cocoon.apache.org
Subject: Re: Integration of Wicket Servlet within C2.2 Block with servlet
 service -> Problem
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Gabriel Gruber skrev:
>
> Dear C2.2 Dev-Community!
>
> I just played around with Wicket and wanted to integrate a HelloWorld 
> Wicket application within a C2.2 Block as a servlet service:
>
> <beans xmlns="http://www.springframework.org/schema/beans"
>   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>   xmlns:servlet="http://cocoon.apache.org/schema/servlet"
>   xsi:schemaLocation="http://www.springframework.org/schema/beans 
> http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
>   http://cocoon.apache.org/schema/servlet 
> http://cocoon.apache.org/schema/servlet/cocoon-servlet-1.0.xsd">
>  
>   <bean id="com.mycompany.block2.service" 
> class="org.apache.cocoon.sitemap.SitemapServlet">
>     <servlet:context mount-path="/block2" 
> context-path="blockcontext:/block2/"/>
>   </bean>
>  
>   <bean id="com.mycompany.block2.wicketapp" 
> class="org.apache.wicket.protocol.http.WicketServlet">
>     <servlet:init-params>
>       <entry key="applicationClassName">
>         <value>com.mycompany.WicketApplication</value>
>       </entry>
>     </servlet:init-params>
>     <servlet:context mount-path="/block2-wicket" 
> context-path="blockcontext:/block2-wicket/"/>
>   </bean>
>  
> </beans>
>
> While this seems generally ok, there seems to be a problem with the 
> spring namespacehandler for the servlet service tags. When i start 
> spring an exception is thrown like this...
> Caused by: 
> org.springframework.beans.factory.BeanDefinitionStoreException: Unable 
> to read spring configurations from classpath*:META-INF/cocoon/spring; 
> nested exception is 
> org.springframework.beans.factory.parsing.BeanDefinitionParsingException:
> *Configuration problem: Cannot locate BeanDefinitionDecorator for 
> element [init-params]*

...
> What is wrong here?
>
> Any suggestions?
The servlet:context element must be the root element of the elements in 
the servlet: namespace. The error message basically sys that there is no 
handler for the servlet:init-params as a  root element.

Modify the above  bean definition to:

  <bean id="com.mycompany.block2.wicketapp" 
class="org.apache.wicket.protocol.http.WicketServlet">
    <servlet:context mount-path="/block2-wicket" 
context-path="blockcontext:/block2-wicket/">
      <servlet:init-params>
        <entry key="applicationClassName">
          <value>com.mycompany.WicketApplication</value>
        </entry>
      </servlet:init-params>
    </servlet:context>
  </bean>

And see if it works.

/Daniel