Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
is there a possibility to tell my JSF-implementation to convert empty numbers as null.
So far I always get 0 (of the corresponging complex-type).
For empty strings there is javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL, but I couldn’t find anything for numbers. By the way: No, I can’t use the vm-argument: -Dorg.apache.el.parser.COERCE_TO_ZERO=false
Is a custom-numberconverter my only possibility?
The problem is in EL implementation used by the server, not in JSF. You really need to use the VM argument. If you can’t use it then your problem can’t be solved by other way than downgrading Tomcat to 6.0.15 or older, or replacing the server by for example Glassfish. It was Tomcat 6.0.16 when this “improved” EL coercion behaviour was introduced.
If you elaborate the exact reason why you can’t use it (it makes at least no sense to me), then we may be able to propose ways how to really use it. For example, if it’s ignorance how to set a VM argument, then say so. Or if you’re not allowed to add a VM argument to startup script because it’s a 3rd party maintained server, then say so. Both problems can be solved so that you can use the VM argument rightly.