Spring validation errors tag not working completely with webflow + portlet
问题 I have a small project (using Spring 4.2.0, Spring Webflow 2.4.2, Hibernate validator 5.2.2) that is working as expected in the servlet world, but after having transformed it to a portlet, the validation feedback in JSP doesn't work fully as expected anymore. For a form that looks like this: <form:form modelAttribute="person" action="${flowExecutionUrl}"> <form:input path="voornaam"/> .... </form:form> This still works in the portlet (so I get at least the confirmation that my validation