Appengine: Error when accessing webservice client url

Appengine: Error when accessing webservice client url

I am trying to create a webservice and client using google appengine:
Following the steps mentioned in
https://developers.google.com/appengine/articles/soap
in the last step to test the client need to run:
http://greeter-client.appspot.com/hellosoapclient?name=SOAP&arriving=true
(changed the app if to the one i created)
here the below error is show when i try to run that url:
-- Error: Server Error The server encountered an error and could not
complete your request.
If the problem persists, please report your problem and mention this error
message and the query that caused it.
when i check the logs in appengine the below error can be seen
-- Uncaught exception from servlet
com.sun.xml.ws.streaming.XMLStreamReaderException: XML reader error:
javax.xml.stream.XMLStreamException: ParseError at [row,col]:[5,3]
Message: The element type "meta" must be terminated by the matching
end-tag "". at
com.sun.xml.ws.streaming.XMLStreamReaderUtil.wrapException(XMLStreamReaderUtil.java:267)
at
com.sun.xml.ws.streaming.XMLStreamReaderUtil.skipTags(XMLStreamReaderUtil.java:157)
at
com.sun.xml.ws.streaming.XMLStreamReaderUtil.skipElement(XMLStreamReaderUtil.java:130)
at
com.sun.xml.ws.wsdl.parser.WSDLParserExtensionFacade.definitionsElements(WSDLParserExtensionFacade.java:140)
at
com.sun.xml.ws.wsdl.parser.RuntimeWSDLParser.parseWSDL(RuntimeWSDLParser.java:325)
at
com.sun.xml.ws.wsdl.parser.RuntimeWSDLParser.parseUsingMex(RuntimeWSDLParser.java:207)
at
com.sun.xml.ws.wsdl.parser.RuntimeWSDLParser.tryWithMex(RuntimeWSDLParser.java:160)
at
com.sun.xml.ws.wsdl.parser.RuntimeWSDLParser.parse(RuntimeWSDLParser.java:138)
at
com.sun.xml.ws.client.WSServiceDelegate.parseWSDL(WSServiceDelegate.java:265)
at com.sun.xml.ws.client.WSServiceDelegate.(WSServiceDelegate.java:228) at
com.sun.xml.ws.client.WSServiceDelegate.(WSServiceDelegate.java:176) at
com.sun.xml.ws.spi.ProviderImpl.createServiceDelegate(ProviderImpl.java:104)
at javax.xml.ws.Service.(Service.java:77) at
com.gae.GreeterService.(GreeterService.java:46) at
com.gae.HelloClientServlet.doGet(HelloClientServlet.java:13) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
at
com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:125)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at
com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:35)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157
can someone pls help with this?