Problem using Servlet 2.3 DTD with Struts

[Mark Woon]

Hi all.

I've been wanting to use filters lately and finally got around to trying it out, but am having trouble with my web.xml file (which only has Struts related entries) and Struts. The first thing I did was update the DOCTYPE in my web.xml to use web-app_2_3.dtd. Now, I'm getting:

Parse Fatal Error at line 551 column 44: The string "--" is not permitted within comments.
org.xml.sax.SAXParseException: The string "--" is not permitted within comments.
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLScanner.reportFatalError(Unknown Source)
at org.apache.xerces.impl.XMLScanner.scanComment(Unknown Source)
at org.apache.xerces.impl.XMLDTDScannerImpl.scanComment(Unknown Source)
at org.apache.xerces.impl.XMLDTDScannerImpl.scanDecls(Unknown Source)
at org.apache.xerces.impl.XMLDTDScannerImpl.scanDTDExternalSubset(Unknown Source)
at org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:314)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:89)
at org.apache.struts.digester.Digester.parse(Digester.java:755)
at org.apache.struts.action.ActionServlet.initServlet(ActionServlet.java:1434)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:474)
at javax.servlet.GenericServlet.init(GenericServlet.java:256)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:934)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:821)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3420)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3608)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
at org.apache.catalina.core.StandardService.start(StandardService.java:497)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)


I've gone through web.xml (attached) and stripped out all comments, and I'm still seeing this problem. It's not even 551 lines long! I've also checked Tomcat's default web.xml, and it doesn't have any problems either. I'm using Tomcat 4.0.6 (and have tested this out on 4.1.16 as well) on WinXP with JDK 1.4.1 and Struts 1.0.2. Does anyone have any ideas what my problem might be?


Thanks,
-Mark

<?xml version="1.0" encoding="ISO-8859-1"?>
<!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>action</servlet-name>
    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    <init-param>
      <param-name>application</param-name>
      <param-value>org.pharmgen.webapp.ApplicationResources</param-value>
    </init-param>
    <init-param>
      <param-name>config</param-name>
      <param-value>/WEB-INF/struts-config.xml</param-value>
    </init-param>
    <init-param>
      <param-name>detail</param-name>
      <param-value>0</param-value>
    </init-param>
    <load-on-startup>2</load-on-startup>
  </servlet>

  <servlet-mapping>
    <servlet-name>action</servlet-name>
    <url-pattern>/do/*</url-pattern>
  </servlet-mapping>

  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>

  <error-page>
    <exception-type>java.lang.Throwable</exception-type>
    <location>/error/pageError.jsp</location>
  </error-page>
  <error-page>
    <error-code>404</error-code>
    <location>/error/pageError.jsp</location>
  </error-page>
  <error-page>
    <error-code>500</error-code>
    <location>/error/pageError.jsp</location>
  </error-page>

</web-app>


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