XPages: Java error „Access denied (java.lang.RuntimePermission getClassLoader)“ creating validator object

While trying to create a XPages validator object I get an error „Access denied (java.lang.RuntimePermission getClassLoader)“

The code in the beforePageLoad event is

var validator = facesContext.getApplication().createValidator(“javax.faces.Length”);

Has anybody an idea how to avoid this error message or how to create a validator with Serverside JavaScript or Java?

Thanks

Subject: same for me…

was trying to assign a custom validator to fields based on some configuration