No, linkedlistmultimap is serializable. only $1 is not. If you look at the snippet the $1 class is created on the fly when linkedlistmultimap.get(...) is invoked.
Michael Sparer wrote: > > 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 ... >>>>> >>>> >>>> >>> >>> >> >> > > -- View this message in context: http://www.nabble.com/Unable-to-serialize-class-com.google.common.collect.LinkedListMultimap%241-tp19027449p19034065.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]
