Hi Ernesto, Yes, I think FileUpload should not be Serializable. FileUploadField uses transient reference to the list of file uploads for this reason: https://github.com/apache/wicket/blob/ad6ecac7fdebefc25d310361f3a92aa481c36b1f/wicket-core/src/main/java/org/apache/wicket/markup/html/form/upload/FileUploadField.java#L50
On Tue, Dec 3, 2019 at 10:56 AM Ernesto Reinaldo Barreiro < reier...@gmail.com> wrote: > Hi, > > FileUpload still implements IClusterable but it contains a field of type > FileItem: which is no longer Serializable. Should IClusterable be dropped? > > -- > Regards - Ernesto Reinaldo Barreiro >