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Blog-Archiv Mär 2012 (1) Okt 2011 (2) Sep 2011 (2) Jun 2011 (2) Feb 2011 (2) Jan 2011 (1) Apr 2009 (1) Nachdem Google das Tracking in den Suchergebnissen noch stärker ausgeweitet hat, so das* man mittlerweile noch nicht mal die angezeigten Links kopieren kann, habe ich mich nach einer Alternative umgesehen. DuckDuckGo kann man auch relativ einfach als Standardsuche in Firefox einrichten, so das* durch Eingabe von ?Such begriffe in der Adressleiste von Firefox direkt eine Suche in DuckDuckGo gestartet wird.. SPRINGROO: HOWTO TRANSLATE JA*A EXCEPTIONS TO USER-FRIENDLY ERROR MESSAGES. Within this blog post I will try to explain how you can configure your SpringRoo application to translate well-known exceptions to user-friendly error messages. By default SpringRoo's exception handling is very basic meaning the technical exception message is directly presented to the user. Our aim is to provide the user with human-readable error messages he (most First of all we need to make ourselves familiar with the translation process in Spring MVC. To translate any given String to the currently set browser locale, Spring MVC uses so called message codes. These codes are defined in property files which are located in So let's say, we wanted to translate a org.hibernate.exception.ConstraintViolationException which is thrown whenever the user tries to create a duplicate entry. Therefore we would add the following line to the Next we prepare the uncaughtException.jspx which is the default JSP for exception handling in Spring MVC. To keep it simple, we'll remove Therefore we only need to find a way to set exceptions.db.duplicate*ntry as the Exception's message. The ExceptionResolver in Spring MVC is used to determine which JSP fits best whenever any Exception is thrown. In my opinion this is the perfect place to perform our little magic. To accomplish this and be able to handle any kind of Exception in the most flexible way I added translatable properties. The clas*NamePart can hold a simple or fully qualified clas* name or just a part of it. The same applies to