Iterator is not serializable,
wicket will try to serialize it if it's at class level
so either move it inside iterator method
or make it transient ,
In your case,you can easily move it inside method ;)
--
regards,
Vineet Semwal
On Mon, Sep 28, 2009 at 6:42 PM, T Ames <tamesw...@gmail.com> wrote:
> Further, you don't really need to define the Iterator, just return them.
>
>
> public Iterator iterator(int first, int count) {
>
> result = new ArrayList<PlatformDTO>();
>
> if (requestFormModel != null) {
>
> if (requestFormModel.getId() != null) {
> request =
> requestService.getRequest(requestFormModel.getId());
>
> > result.add(request);
> > return result.iterator();
> >
> > } else if (requestFormModel.getFileName() != null)
> {
> > return
> >
> requestService.findRequestByFileName(requestFormModel.getFileName()).iterator();
> >
>
>
>
> On Mon, Sep 28, 2009 at 9:08 AM, T Ames <tamesw...@gmail.com> wrote:
>
> > I see several undefined objects:
> >
> > result
> > requestFormModel
> > it
> >
> > If these are defined at the class level, they must be serializable.
> >
> > If you have Logging set at Info, Wicket will give you the actual field
> that
> > is not serializable, although from the error it looks like something to
> do
> > with AbstractList
> >
> > Iterator objects are not serializable. I would look at how you are
> > defining the "it" variable.
> >
> >
> >
> >
> > On Mon, Sep 28, 2009 at 7:25 AM, Charles Moulliard <cmoulli...@gmail.com
> >wrote:
> >
> >> Hi,
> >>
> >> I would like to know what is the best way to work with the method
> >> iterator of DataProvider.
> >>
> >> I have created a class implementing IDataProvider. Depending of a
> >> parameter, the DAO service called is not the same inside in the
> >> iterator method. For some DAO services, a list is returned but for one
> >> service, an object is returned instead of a list.
> >>
> >> If I try to create a ArrayList inside the iterator, the following
> >> error is generated :
> >>
> >>
> >>
> org.apache.wicket.util.io.SerializableChecker$WicketNotSerializableException:
> >> Unable to serialize class: java.util.AbstractList$Itr
> >> Field hierarchy is:
> >> 0 [class=com.xpectis.x3s.fundbox.web.RequestPage, path=0]
> >> private java.lang.Object
> >> org.apache.wicket.MarkupContainer.children [class=[Ljava.lang.Object;]
> >> java.lang.Object org.apache.wicket.Component.data[3]
> >> [class=com.xpectis.x3s.fundbox.web.RequestPage$1, path=0:requestList]
> >> private final
> >> org.apache.wicket.markup.repeater.data.IDataProvider
> >> org.apache.wicket.markup.repeater.data.DataViewBase.dataProvider
> >> [class=com.xpectis.x3s.fundbox.web.data.RequestProvider]
> >> private java.util.Iterator
> >> com.xpectis.x3s.fundbox.web.data.RequestProvider.it
> >> [class=java.util.AbstractList$Itr] <----- field that is not
> >> serializable
> >> at
> >>
> org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:346)
> >>
> >> How can I avoid this issue ?
> >>
> >> Here is my code :
> >>
> >> public class RequestProvider implements IDataProvider {
> >>
> >> ...
> >>
> >> public Iterator iterator(int first, int count) {
> >>
> >> result = new ArrayList<PlatformDTO>();
> >>
> >> if (requestFormModel != null) {
> >>
> >> if (requestFormModel.getId() != null) {
> >> request =
> >> requestService.getRequest(requestFormModel.getId());
> >> result.add(request);
> >> it = result.iterator();
> >>
> >> } else if (requestFormModel.getFileName() !=
> null)
> >> {
> >> it =
> >>
> requestService.findRequestByFileName(requestFormModel.getFileName()).iterator();
> >>
> >> }
> >>
> >> Regards,
> >>
> >>
> >> Charles Moulliard
> >> Senior Enterprise Architect
> >> Apache Camel Committer
> >>
> >> *****************************
> >> blog : http://cmoulliard.blogspot.com
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >> For additional commands, e-mail: users-h...@wicket.apache.org
> >>
> >>
> >
>
