I can also see the following error in the App Engine logs (has no stack trace):
org.apache.tuscany.sca.contribution.scanner.impl.DirectoryContributionScanner traverse: Error traversing file:/base/data/home/apps/tuscany-comet/1.344843798013946161/_ah Does this look familiar or giving you a hint? On Wed, Sep 8, 2010 at 12:24 AM, Florian MOGA <[email protected]> wrote: > Right, but the Channel API won't enable me to illustrate the comet > abilities we have in Tuscany so I'm trying to avoid it for the moment... > From what I've found on the internet, both Atmosphere and Jersey have made > efforts in the past to work with GAE so it might be a good thing asking > their opinion on these errors. I'll keep you posted on the updates. > > > On Wed, Sep 8, 2010 at 12:11 AM, Luciano Resende <[email protected]>wrote: > >> On Tue, Sep 7, 2010 at 1:17 PM, Florian MOGA <[email protected]> wrote: >> > It seems like Eclipse wasn't using latest snapshots from the local repo >> for >> > the deployment... Had more time to look on it today and managed to >> deploy it >> > succesfully. However, I encountered some restrictions on working with >> the >> > session but solved it quickly with an xml config in appengine-web.xml. >> > From what I can see, the app [0] seems to move very very slow and >> because of >> > that some NullPointerExceptions are being thrown as things don't get >> > properly initialized. I'll try and debug this further as it would be >> really >> > nice having a proof of concept in the cloud. >> > Florian >> > >> > [0] http://tuscany-comet.appspot.com/ >> > >> > >> >> It seems that we are passed the Tuscany issues deploying the app, but >> does the library you are using and the functionality works in >> AppEngine ? I have seen couple of blog posts which describes issues >> related to long lived http connections and some limitations from GAE. >> Also, it seems that they have enabled some services to make similar >> functionality available [1] [2] >> >> Quote: " Channel API - The Channel API lets you build applications >> that can push content directly to your user’s browser (aka “Comet”). >> No more polling for updates! " >> >> [1] >> http://stackoverflow.com/questions/1285150/server-push-comet-in-google-app-engine-in-python >> [2] >> http://googleappengine.blogspot.com/2010/05/app-engine-at-google-io-2010.html >> >> >> >> -- >> Luciano Resende >> http://people.apache.org/~lresende >> http://twitter.com/lresende1975 >> http://lresende.blogspot.com/ >> > >
