is it just me, or anyone has the same problem? from the logs i see, deferred tasks fails with 415 header status code, and says:
javax.servlet.ServletContext log: _ah_queue_deferred: Deferred task failed exception: com.google.apphosting.utils.servlet.DeferredTaskServlet $DeferredTaskException: java.lang.ClassCastException: com.google.apphosting.runtime.jetty.DeferredSessionTasks$DeferredSave cannot be cast to com.google.appengine.api.taskqueue.DeferredTask -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.