interface com.sun.xml.ws.developer.WSBindingProvider is not visible from class loader

In tomcat web container spring lis开发者_JAVA技巧tens to session and executes a destroy-method on a "session-scoped" bean, that invokes a web-service.

sometimes this strange exception is raised:

 interface com.sun.xml.ws.developer.WSBindingProvider is not visible from class loader

What can this mean?

This has to be a jar conflict issue. Check the below link if it helps:
generated-client-error

Regarding the issue "interface com.sun.xml.ws.developer.WSBindingProvider is not visible from class loader", the same issue has been envounterd when developping 3rd party h2h connection under the GlassFish Server v2.1 . But after moving the 3rd party related jar from ".../lib/ext” into the “.../lib” level this issue possible to be rectified.