Issue

• The web application fails to deploy with the following exception message:-

  ERROR [org.jboss.kernel.plugins.dependency.AbstractKernelController] (HDScanner) Error installing to Parse: name=vfszip:/home/jboss-ewp-5.1/jboss-as-web/server/someServer/deploy/test.war/ state=PreParse mode=Manual requiredState=Parse
  
  org.jboss.deployers.spi.DeploymentException: Error creating managed object for vfszip:/home/jboss-ewp-5.1/jboss-as-web/server/someServer/deploy/test.war/
      at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49)
      at org.jboss.deployers.spi.deployer.helpers.AbstractParsingDeployerWithOutput.createMetaData(AbstractParsingDeployerWithOutput.java:362)
      .......
      .......
  Caused by: org.jboss.xb.binding.JBossXBException: Failed to parse source: The content of element type "web-app" must match "(icon?,display-name?,description?,distributable?,context-param*,filter*,filter-mapping*,listener*,servlet*,servlet-mapping*,session-config?,mime-mapping*,welcome-file-list?,error-page*,taglib*,resource-env-ref*,resource-ref*,security-constraint*,login-config?,security-role*,env-entry*,ejb-ref*,ejb-local-ref*)". @ vfszip:/home/jboss-ewp-5.1/jboss-as-web/server/someServer/deploy/test.war/WEB-INF/web.xml[100,12]
  
      at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:203)
      at org.jboss.xb.binding.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:168)
  

• The web.xml file contains the following entries:-

  <?xml version="1.0"?>
  <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
  <web-app>
       <servlet>
          <servlet-name>FooServlet</servlet-name>
          <display-name>FooServlet</display-name>
          <description>FooServlet</description>
          <servlet-class>org.jboss.sample.FooServlet</servlet-class>
       </servlet>
       <welcome-file-list>
          <welcome-file>index.jsp</welcome-file>
      </welcome-file-list>
      <error-page>
         <error-code>404</error-code>
         <location>/error.jsp</location>
     </error-page>
     <session-config>
        <session-timeout>60</session-timeout>
     </session-config>
   </web-app>