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1. java.lang.IllegalArgumentException: null source    stackoverflow.com

We have an application which uses JSF2 and Spring. The application works fine when deployed. But this happens if I went through the following steps:

  1. Open the login page of the application.
  2. Redeployed ...

2. Converter implemented but still having error "Conversion Error setting value '' for 'null Converter' "    stackoverflow.com

I have a big problem with Converter class. I am using h:selectOneMenu to select a "category" for my Enetity "Product". When i submit form, then i get following error : •Conversion Error ...

3. Base is null error in JSF    coderanch.com

4. newbie null reference exception    coderanch.com

faces configuration: Login Security.Login request /Login.jsf #{Login.ValidateLogin} success LoginValid.jsf #{Login.ValidateLogin} fail LoginInvalid.jsf web.xml file: javax.faces.STATE_SAVING_METHOD server Faces Servlet javax.faces.webapp.FacesServlet 1 Faces Servlet *.jsf Login.jsp/jsf whatever: JSP Page