Problem invoking gogle web service from session bean

Hello
I have developed a Web-Client which consumes the google-WebService with Apache Axis. I have generated the corresponding classes with WSDL2Java and the client works without problems. A little code fragment from my client:
GoogleSearchService service = new GoogleSearchServiceLocator();
          // Now use the service to get a stub to the Service Definition Interface (SDI)
          GoogleSearchPort google = service.getGoogleSearchPort();
         GoogleSearchResult googleSearchResult = google.doGoogleSearch(GOOGLE_KEY, // java.lang.String key
                       q.toString(), //java.lang.String q
                       0, // int start
                       10, // int maxResults
                       false, //boolean filter
                       "", // java.lang.String restrict
                       false, //boolean safeSearch
                       "lang_ja|lang_en", // java.lang.String lr
                       "UTF-8", // java.lang.String ie
                       "UTF-8"); // java.lang.String oeNow I have to put the Web-Client in a SessionBean. Therfore I defined the code of the web-client in a method and put it into a stateless session bean and wrote a client for the session bean. But when the session bean invokes the corresponding method for consuming the google web service, there always occurs the following error:
[java] Exception in thread "main" java.rmi.ServerError: Unexpected Error; nested exception is:
[java] java.lang.NoClassDefFoundError: GoogleSearch/GoogleSearchService
But I have definitely all necessary classes in my classpath, like GoogleSearchService, etc. So all necessary classes are available. And the code to conume the web service als works because as said I tested it with a web-client.
Has anybody an idea what went wrong here? Is there anything important when I a web service is invoked by a session bean??:(
regards
pat

Has nobdy an idea?? :(( I tried for such a long time but I was not able to fix this problem....:(
Please help...

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