Hi all ! I'm new to Struts2 and I'm starting with implementing a simple app. So far, everything was fine. But now I want to complexify a bit by introducing java generics (to prevent from repeating same treatments in several classes) and integrating with Spring.
I tried writing a GenericAction which has 2 parameterized type (one for the service used, one for the generated object from the form) and which contains all basic methods for saving, deleting, updating, listing objects (but with parameterized types). Then I wrote an action which extends this GenericAction, the 2 types are passed in argument in the extends statement. The struts.xml config file references the later one and I have an additional constant declaration to use Spring : <constant name="struts.objectFactory" value="spring" />. When I fill in the form and call the save.action, I get the following error: ognl.NoSuchPropertyException: java.lang.Object.id This tells me that Struts (or Spring) do not create the right type of object and is then not capable to set the properties. But I don't understand why. I tested the generics principle with simple classes (MyBox extends Box<Integer>, where Box<T> is a generic class) and when I create a MyBox object in a main function, the property has the right type (Integer). Can you help me to point out where is the problem ? Am i missing something with the generics or is it a configuration problem with Struts (or Spring) ? Many thanks in advance for your help. Laëtitia --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@struts.apache.org For additional commands, e-mail: user-h...@struts.apache.org
