but if you save the linkedlistmultimap (which isn't serializable, right?) in the session you'll run into problems as well ... at the latest in a clustered environment ....
TH Lim wrote: > > No, I didn't save the provider in the session. Just the LinkedListMultimap > instance. As Martijn has pointed it out with the code snippet why $1 is > not serializable, the only way is to keep the LinkedListMultimap and not > the List. > > Wicket is pretty good. It points to the exact field where the problem was. > > Thanks guys. > > > Michael Sparer wrote: >> >> you save the provider to the session? that's kind of an anti-pattern as >> it gets serialized there anyway (at least in a clustered environment). >> you should rather boil down to the field that causes the not-serializable >> exception, wicket tells you exactly which field it is anyway. or provide >> us some code to help you. but if you inherit from sortabledataprovider or >> you implement IDataProvider it shouldn't be too difficult to find out >> which field it is ;-) >> >> regards, >> Michael >> >> TH Lim wrote: >>> >>> I tried another method. Instead of passing the reference to my >>> IDataProvider implementation, MyDataProvider, I recode MyDataProvider to >>> get it from the MySession which extends Wicket Session. I don't any >>> difference here but it works. I still not sure what caused >>> MyDataProvider to fail to persist because of the List instance it >>> contained. >>> >>> Btw, >>> http://google-collections.googlecode.com/svn-history/r5/trunk/src/com/google/common/collect/LinkedListMultimap.java >>> LinkedListMultimap uses the inner class Node which is also >>> Serializable. >>> >>> >>> Michael Sparer wrote: >>>> >>>> The Serlializable-check isn't sufficient. you can mark any class >>>> serializable if you want. what really counts is that all fields of the >>>> class are serializable, you should have a look at them ... >>>> >>> >>> >> >> > > ----- Michael Sparer http://talk-on-tech.blogspot.com -- View this message in context: http://www.nabble.com/Unable-to-serialize-class-com.google.common.collect.LinkedListMultimap%241-tp19027449p19033579.html Sent from the Wicket - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
