3.1-dev webapp errors

Hi,

i was builing a clean 3.1-dev war from cvs and deployed it into my 
tomcat 5.5.20.
On the first request i see the following error:

2006-12-13 12:09:15,207 ERROR 
[org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/cas].[cas]] 
- Servlet.service() for servlet cas threw exception
org.xml.sax.SAXParseException: cvc-complex-type.2.4.a: Invalid content 
was found starting with element 'end-state'. One of 
'{"http://www.springframework.org/schema/webflow":end-actions, 
"http://www.springframework.org/schema/webflow":output-mapper, 
"http://www.springframework.org/schema/webflow":exception-handler, 
"http://www.springframework.org/schema/webflow":import, 
"http://www.springframework.org/schema/webflow":inline-flow}' is expected.
        at 
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:236)
        at 
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:172)
        at 
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:382)
        at 
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:316)
        at 
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(XMLSchemaValidator.java:429)
        at 
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(XMLSchemaValidator.java:3185)
        at 
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1831)
        at 
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(XMLSchemaValidator.java:725)
        at 
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:322)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1693)
        at 
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
        at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834)
        at 
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
        at 
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
        at 
com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:250)
        at 
com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:292)
        at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:98)
...


any hints ?

thanks,
Frank