AbstractMethodError in Nightly from 12.16.2002

[Matt Raible]

I get the following error when trying to deploy my app to Tomcat 4.1.17
- with a nightly build from 12.16.2002.  I reverted back to a nightly
build from 11.24.2002 and everything works fine.

java.lang.AbstractMethodError
        at
org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.j
ava:1076)
        at
org.apache.struts.action.ActionServlet.init(ActionServlet.java:457)
        at javax.servlet.GenericServlet.init(GenericServlet.java:256)
        at
org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.jav
a:934)

My struts-config.xml is below:

<?xml version="1.0" encoding="ISO-8859-1" ?>

<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD
Struts Configuration 1.1//EN"
"http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd";>

<struts-config>

  <!-- ========== Data Sources Definitions
=================================== -->
  <!--
    Define your Struts data sources in a file called
struts-data-sources.xml and place
    it in your merge directory.
  -->

  <!-- ========== Form Bean Definitions
=================================== -->
  <form-beans>
    <form-bean
      name="userForm"
      type="org.apache.webapp.forms.UserForm"
    />

    <!--
         If you have non XDoclet forms, define them in a file called
struts-forms.xml and
         place it in your merge directory.
    -->
  </form-beans>

  <!-- ========== Global Exceptions Definitions
=================================== -->
  <!--
    Define your exceptions in a file called global-exceptions.xml and
place
    it in your merge directory.
  -->

  <!-- ========== Global Forward Definitions
=================================== -->
      <global-forwards>
        <!-- Default forward to "Welcome" action -->
        <!-- Demonstrates using index.jsp to forward -->
        <forward
            name="welcome"
            path="/welcome.do"/>
    </global-forwards>

  <!-- ========== Action Mapping Definitions
=================================== -->
   <action-mappings>
    <action
      path="/editUser"
      type="org.apache.webapp.actions.UserAction"
      name="userForm"
      scope="session"
      parameter="action"
      unknown="false"
      validate="false"
    >
    </action>
    <action
      path="/saveUser"
      type="org.apache.webapp.actions.UserAction"
      name="userForm"
      scope="session"
      parameter="action"
      unknown="false"
      validate="true"
    >
    </action>

       <!-- Default "welcome" action -->
    <!-- Forwards to the mainMenu tile definition -->
    <action
        path="/welcome"
        type="org.apache.struts.actions.ForwardAction"
        parameter="mainMenu"/>
  </action-mappings>

   <!-- Define your Struts controller in a file called
struts-controller.xml and place it in your merge directory. -->

      <message-resources parameter="ApplicationResources"/>

      <!-- ========== Tiles plugin ===================  -->
    <plug-in className="org.apache.struts.tiles.TilesPlugin" >
        <set-property property="definitions-config" 
                      value="/WEB-INF/tiles-config.xml" />
        <set-property property="moduleAware" value="true" />
        <set-property property="definitions-parser-validate"
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>
    <!-- ========== Menu plugin ======================== -->
    <plug-in className="com.fgm.web.menu.MenuPlugIn">
        <set-property 
            property="menuConfig" 
            value="/WEB-INF/menu-config.xml"/>
    </plug-in>