Hi there, I am faced with exactly the same problem! Help is appreciated.
regards, MG On 28 Mai, 13:17, Zerot Samsa <zerotsa...@gmail.com> wrote: > Hey folks. > I know that I'm not the first one who is facing this problem. > There is a similar thread, but I don't think it's exactly the same > problem. > > I'm working on a project including GAE + GWT. > We are using gwt-gae-channel (http://code.google.com/p/gwt-gae- > channel/) to send different messages from the server to the client > (basically we are implementing a real life game for mobile devices.) > > I have read and understood the Channel API documentation and we are > implementing the channel creation in the same way as proposed. > Also gwt-gae-channel has been introduced on the client side like > described in gwt-gae-channel wiki. > > The interesting part: In production mode (app is deployed to GAE) > everything works just fine (Users are able to chat, server sends > notifications, etc.) > However the channel doesn't work locally. > We use Maven and start our App locally with the maven command > "gwt:run" > > Here is the first exception which occurs after creating the channel on > the server side: > [ERROR] 2011-05-28 11:00:48.523:WARN::/_ah/channel/dev > [ERROR] > com.google.appengine.api.channel.dev.LocalChannelFailureException: > Channel for application key null not found. > [ERROR] at > com.google.appengine.api.channel.dev.ChannelManager.getChannel(ChannelManag > er.java: > 58) > > However on server side the channel seems to be created. > When sending messages to a client there is no warning or exception. > The exception above occurs after creating the channel by some other > thread (I think it's the long-polling thread which works in the > background!?!?!?) > So this exception is not thrown by any of our code lines, but by some > other thread of the local test environment. > > Here is what we do on server side when creating the channel (just the > important lines): > String clientId = getChannelIdFromUserKey(userKey); //userKey = the > datastore key which is then hashed to get a short client id used to > create the channel > String channelToken = channelService.createChannel(clientId); //the > token is then passed to the client > return channelToken; > > The client receives this token (a gwt-dispatch command triggers the > channel creation and returns the token): > ChannelFactory.createChannel(channelToken, new > ChannelCreatedCallback() > { > @Override > public void onChannelCreated(Channel channel) > { > ..... > } > > } > > Which leads to: > [INFO] Socket error. > [INFO] Channel for application key null not found. > > I really hope somebody out there can help me/us. > It is really, really important that we fix this bug soon, as we have > just few weeks left to finish the project (well, it's an university > thing ;) ) > > Kind regards, > Z -- 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.
