Struts 1.2.9 No such accessible

[Vinicius Carvalho]

Hello there! I'm having a strange problem with my struts app (1.2.9),
it's been a long time since the last time I've used struts (being in
the Swing world for a while now).

The application launches an error on startup:

  [java] SEVERE: Parsing error processing resource path
/WEB-INF/struts-config.xml
    [java] java.lang.NoSuchMethodException: No such accessible
method: addForwardConfig() on object: com.acme.AcmeAction
    [java] at org.apache.commons.digester.Digester.createSAXException(Digester.java:2792)
    [java] at org.apache.commons.digester.Digester.createSAXException(Digester.java:2818)
    [java] at org.apache.commons.digester.Digester.endElement(Digester.java:1070)
    [java] at oracle.xml.parser.v2.NonValidatingParser.parseElement(NonValidatingParser.java:1257)
    [java] at oracle.xml.parser.v2.ValidatingParser.parseRootElement(ValidatingParser.java:143)
    [java] at oracle.xml.parser.v2.NonValidatingParser.parseDocument(NonValidatingParser.java:281)
    [java] at oracle.xml.parser.v2.XMLParser.parse(XMLParser.java:196)
    [java] at org.apache.commons.digester.Digester.parse(Digester.java:1572)
    [java] at org.apache.struts.action.ActionServlet.parseModuleConfigFile(ActionServlet.java:738)
    [java] at org.apache.struts.action.ActionServlet.initModuleConfig(ActionServlet.java:687)
    [java] at org.apache.struts.action.ActionServlet.init(ActionServlet.java:333)
    [java] at javax.servlet.GenericServlet.init(GenericServlet.java:258)
    [java] at com.evermind.server.http.HttpApplication.loadServlet(HttpApplication.java:2354)
    [java] at com.evermind.server.http.HttpApplication.findServlet(HttpApplication.java:4795)
    [java] at com.evermind.server.http.HttpApplication.initPreloadServlets(HttpApplication.java:4889)
    [java] at com.evermind.server.http.HttpApplication.initDynamic(HttpApplication.java:1015)
    [java] at com.evermind.server.http.HttpApplication.<init>(HttpApplication.java:549)
    [java] at com.evermind.server.Application.getHttpApplication(Application.java:890)
    [java] at com.evermind.server.http.HttpServer.getHttpApplication(HttpServer.java:707)
    [java] at com.evermind.server.http.HttpSite.initApplications(HttpSite.java:625)
    [java] at com.evermind.server.http.HttpSite.setConfig(HttpSite.java:278)
    [java] at oracle.oc4j.admin.internal.WebApplicationBinder.bindWebApp(WebApplicationBinder.java:173)
    [java] at com.evermind.server.administration.DefaultApplicationServerAdministrator.bindWebApp(DefaultApplicationServerAdministrator.java:415)
    [java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    [java] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    [java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [java] at java.lang.reflect.Method.invoke(Method.java:589)
    [java] at com.evermind.server.rmi.RMICallHandler.run(RMICallHandler.java:124)
    [java] at com.evermind.server.rmi.RMICallHandler.run(RMICallHandler.java:48)
    [java] at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
    [java] at java.lang.Thread.run(Thread.java:620)

Well, I've checked the Action class and it really does not have an
addForwardConfig method.

Here's my struts-config.xml:

<?xml version="1.0" encoding="ISO-8859-1" ?>
 
<!DOCTYPE struts-config PUBLIC
         "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
         "http://jakarta.apache.org/struts/dtds/struts-config_1_2.dtd">
 
<struts-config>
 
<!-- ================================================ Form Bean Definitions -->
 
   <form-beans>
               <form-bean name="votarForm" type="com.acme.AcmeForm"></form-bean>
   </form-beans>
 

<!-- ========================================= Global Exception Definitions -->
 
   <global-exceptions>
 
   </global-exceptions>
 

<!-- =========================================== Global Forward Definitions -->
 
   <global-forwards>
               <forward name="principal" path="def.principal"></forward>
   </global-forwards>
 

<!-- =========================================== Action Mapping Definitions -->
 
   <action-mappings>
                <action path="/votar" scope="request" validate="true"
                                className="com.acme.AcmeAction" name="votarForm">
                       <forward name="success" path="def.regionalVotacao"></forward>
                       <forward name="failure" path="def.votacao"></forward>
                </action>
   </action-mappings>
 

<!-- ============================================= Controller Configuration -->
 
   <controller
      processorClass="org.apache.struts.tiles.TilesRequestProcessor"/>
 

<!-- ======================================== Message Resources Definitions -->
 
   <message-resources parameter="MessageResources" />
 
   <plug-in className="org.apache.struts.tiles.TilesPlugin" >
 
     <set-property property="definitions-config"
                      value="/WEB-INF/tiles-defs.xml" />
     <set-property property="moduleAware" value="true" />
   </plug-in>
 

 <!-- =================================================== Validator plugin -->
 
 <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
 
   <set-property
       property="pathnames"
       value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
 </plug-in>
 
</struts-config>

All the files (validation, validator and tiles) are placed under the
WEB-INF in the war file.

My AcmeAction extends ActionSupport from Spring's helper classes.
First I thought was this, but then I've changed it to a regular
action, and the problem persists. As it throws an Severe message, I'm
guessing this is the cause that I can't access my application (when I
try to access the index.jsp) I get an 500 Error complaining about not
having a principal ActionForward defined on my global-forwards.

BTW here's index.jsp:

<%@ page language="java" contentType="text/html; charset=UTF-8"
   pageEncoding="UTF-8"%>
<%@ include file="include/taglibs.jsp" %>
 
<logic:forward name="principal"/>

Any ideas please?


Regards

[Merrill Higginson]

Check your WEB-INF/lib directory and make sure that you have all the required jar files from the Struts download, and that both the struts.jar file and all commons-xxx jar files came from the same download package.

Also, check to make sure that the neither the struts.jar file nor any commons jar files are being loaded by another class loader (i.e. from a common area in your application server).

[Vinicius Carvalho]

Yep, I have all the jars needed, just copied them from the struts/lib distribution.

nope, none of the libs are being loaded by another area of my classloader.

Any ideas?

[Greg Knox]

I had a similar problem, need to change the 'className' property to 'type' in the action element, e.g.

<action path="/votar" scope="request" validate="true" className="com.acme.AcmeAction" name="votarForm">

becomes

<action path="/votar" scope="request" validate="true" type="com.acme.AcmeAction" name="votarForm">

[Merrill Higginson]

Did you read Greg's post? I believe his answer is the correct one. When you specify className="" in an action path, Struts thinks you're specifying a custom ActionMapping class for that action path. Change className="com.acme.AcmeAction" to type="com.acme.AcmeAction" in your <action> tag.