I'm getting this same error after enabling async-session-persistence, except 100% of the time. It shows this error in the logs:
javax.servlet.ServletContext log: _ah_queue_deferred: Deferred task failed exception: com.google.apphosting.utils.servlet.DeferredTaskServlet $DeferredTaskException: java.lang.ClassNotFoundException: com.google.apphosting.runtime.jetty.DeferredDatastoreSessionStore $DeferredSave Any ideas? On Aug 1, 7:34 am, gk <[email protected]> wrote: > Greetings, > > still have not found any clues what could cause "async-session- > persistence" tasks to fail with HTTP status code 415 (Unsupported > Media Type). > > Any ideas? > > On Jul 27, 9:16 pm, gk <[email protected]> wrote: > > > > > > > > > I am experimenting with <async-session-persistence enabled="true" > > queue-name="default"/> to store https session data; at first it seems > > to work fine with the "default" default queue settings; multithreading > > is switched on for the application. > > > It appears that there is some kind of collision, as the tasks seem to > > succeed when the rate of incoming requests is low. > > > When I open a browser window and reload 50 pages from the site at once > > it seems to work fine and the queue is filled up with some tasks. Most > > ot the tasks succeed. > > > The problem is that around 30% of the "async-session-persistence" > > tasks fail repeatedly with HTTP status code 415 (Unsupported Media > > Type) and there is no further indication of the cause in the queue or > > in the server log. -- 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
