Re: Migration Struts 1.1 - java.lang.LinkageError - ActionForm class

[Bill Siggelkow]

The Servlet spec does not support 2 web.xml files.  You should only have 
one -- located under the /WEB-INF folder.  You can have multiple struts 
configuration files by specifying them in the Action Servlet 
configuration in web.xml:

  <servlet>
    <servlet-name>action</servlet-name> 
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    <init-param>
      <param-name>config</param-name>
      <param-value>
        /WEB-INF/admin/struts-config.xml,
        /WEB-INF/public/struts-config.xml
      </param-value>
    </init-param>
    <init-param>
      <param-name>debug</param-name>
      <param-value>5</param-value>
    </init-param>
    <init-param>
      <param-name>detail</param-name>
      <param-value>5</param-value>
    </init-param>
    <init-param>
      <param-name>validate</param-name>
      <param-value>true</param-value>
    </init-param>
    <!-- this number indicates relative order to load servlets -->
    <load-on-startup>2</load-on-startup>
  </servlet>

[EMAIL PROTECTED] wrote:

Hi,

I have upgrade of my project from struts 1.0.2 to Struts 1.1.
My project is an Intranet Portal and is composed of 2 parts : Admin and Public.
So, I have 2 differents files web.xml and struts-config.xml in 2 different folder 
(Admin and Public).
When the Admin part runs in the first one, it does not raise problem,
however when the Public part is run in second, I have the following error:
java.lang.LinkageError: loader constraints violated when linking 
org/apache/struts/action/ActionForm class
      at java.lang.Class.newInstance0(Native Method)
      at java.lang.Class.newInstance(Unknown Source)
      at org.apache.struts.util.RequestUtils.applicationInstance(RequestUtils.java:231)
      at 
org.apache.struts.action.RequestProcessor.processActionCreate(RequestProcessor.java:326)
      at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:268)
      at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1480)
      at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:506)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
      at com.sssw.srv.resources.AgWarResource.doServletDispatch(AgWarResource.java:944)
      at com.sssw.srv.resources.AgWarResource.service(AgWarResource.java:723)
      at com.sssw.srv.resources.AgWarURLResource.perform(AgWarURLResource.java:114)
      at com.sssw.srv.http.httpd.perform(httpd.java:4592)
      at com.sssw.srv.http.Client.processRequest(Client.java:906)
      at com.sssw.srv.http.Client.loop(Client.java:1266)
      at com.sssw.srv.http.Client.runConnection(Client.java:1470)
      at com.sssw.srv.http.Client.run(Client.java:1430)
      at java.lang.Thread.run(Unknown Source)
When the Public part runs in the first one, it does not raise problem,
however when the Admin part is run in second, I have the same error.
It seems that my problem regards the configuration.
The code was not changed.
Thanks,

Antoine



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