In the last few days I created some JPA entities which are used in a Web Application and filled by the user. So what’s next? Input validation. I don’t like JSF’s f:validator tag since it displays only one error message which might be useful if you put the error message next to the input filed. But if you display all error messages bundled on the top of the main content the messages are non-sense for the user. Read the rest of this entry »