Facebook announced that they have dropped support for their Java client.
To this end, we have decided to discontinue support for our official Java client library, and rely on the existing community-driven libraries to fill this gap. While we understand this may have an impact on some developers, we feel that it is most important to keep working on our list of initiatives I referred to before, instead of maintaining an additional client library of which the developer community has already built several unofficial versions.
They recommend moving to one of the project listed here.
I have to ask, was anyone actually using the Facebook Java client anyway? Six months ago, I gave it a whirl and found it pretty poor. Instead I moved to the project being hosted at Google Code, known as the “Facebook Java API Community Project”. The “Companion Utility” makes it easy to do things that the PHP library has had since the beginning, including detecting if the user has logged in and if the user has previously added the application. Getting the whole thing to run in a Tomcat container was straightforward.