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  1. #1
    gorgon777 is offline Member
    Join Date
    Jan 2014
    Rep Power

    Default ClassCastException when using a BindingProvider


    I have the below code:
    Java Code:
    	public static ListsSoap sharePointListsAuth(String userName, String password) throws Exception {
    	    ListsSoap port = null;
    	    if (userName != null && password != null) {
    	        try {
    	            Lists service = new ListsLocator();
    	            port = service.getListsSoap();
    	            BindingProvider bp = (BindingProvider) port;
    	            Map<String, Object> rc = bp.getRequestContext();
    	            System.out.println("Web Service Auth Username: " + userName);
    	            rc.put(BindingProvider.USERNAME_PROPERTY, userName);
    	           // ((BindingProvider) port).getRequestContext().put(BindingProvider.USERNAME_PROPERTY, userName);
    	           // ((BindingProvider) port).getRequestContext().put(BindingProvider.PASSWORD_PROPERTY, password);
    	        } catch (Exception e) {
    	            throw new Exception("Error: " + e.toString());
    	    } else {
    	        throw new Exception("Couldn't authenticate: Invalid connection details given.");
    	    return port;
    The error message I get is
    Java Code:
    java.lang.Exception: Error: java.lang.ClassCastException: cannot be cast to
    I have been following the tutorial mentioned here

    Does anyone know why I cannot cast a BindingProvider in the above code?

  2. #2
    masijade is offline Senior Member
    Join Date
    Jun 2008
    Rep Power

    Default Re: ClassCastException when using a BindingProvider

    I can only assume that "service.getListsSoap()" returns an object that does not implement BindingProvider, nor is an extension of a class that does.

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