GWT exception handler: any exception thrown on the client (or server) must result in a dialog for the user. Depending on the exception class the message and blame (user vs programmer) differs ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Key: JBRULES-2743 URL: https://jira.jboss.org/browse/JBRULES-2743 Project: Drools Issue Type: Feature Request Security Level: Public (Everyone can see) Components: drools-guvnor Affects Versions: 5.1.1.FINAL Reporter: Geoffrey De Smet Assignee: Geoffrey De Smet Priority: Critical Fix For: 5.2.0.M1 <Rikkola> you can use ErrorPopup for them <ge0ffrey> in spring-rcp I wrote a whole exception handling system <ge0ffrey> basically you can configure it to handle exceptions differently than other exceptions <ge0ffrey> NPE, IllegalArgument, ... => Programmers fault, big red error button with a "report error" button <ge0ffrey> AuthorizationException,AuthenticationException, hibernate-validator InvalidStateException => users fault, yellow triangle <ge0ffrey> and the ability to provide exception type specific messages <Rikkola> sounds good <ge0ffrey> NotUniqueException => dear user, you're record is not unique, please pick another value -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira