The old model value is redisplayed on @NotNull validation error with INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL=true ------------------------------------------------------------------------------------------------------------------------- Key: WFLY-11004 URL: https://issues.jboss.org/browse/WFLY-11004 Project: WildFly Issue Type: Bug Components: JSF Affects Versions: 15.0.0.Alpha1 Reporter: Jan Kašík Assignee: Dmitrii Tikhomirov When setting {{javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL}} to true, the old (or initial) model value is redisplayed on {{@NotNull}} validation error instead of the submitted value. A required submitted value, which is afterwards removed and re-submitted, should not reappear. This issue is reported in [JAVASERVERFACES_SPEC_PUBLIC-671|https://java.net/jira/browse/JAVASERVERFA...] and it's fixed in [the revision 0813ee1fdef418e47ef03ced7d57a1abe4c2bf54|https://github.com/javaserverfac...]. Please backport this to JBoss mojarra.