Well you can print something to stdout, I think that would go to the browser. We have mostly JSON handlers so error messages are displayed by the browser.
XMPP is better than email because when something goes wrong on the backend and instance startup fails incessantly you can end up with hundreds or thousands of messages... kindof a pain to delete them all. Regards, Brandon Thomson [email protected] http://www.bthomson.com On Wed, May 26, 2010 at 12:50 AM, jonmidd <[email protected]> wrote: > Thanks Brandon, > > that's great for informing a critical start-up issue; however you > raise the exception so will the end user not see the exception in > their browser? I would prefer to provide a more user friendly > message within a custom 500 page. > > Just out of curiosity why use xmpp instead of email for error > notification? > > Cheers, > > J. > > On May 26, 3:52 pm, Brandon Thomson <[email protected]> wrote: >> I recommend the "try expect:" in main.py, it's pretty easy. I have >> been using this: >> >> try: >> ... >> except: >> import os >> >> if os.environ.get('SERVER_SOFTWARE','').startswith('Goog'): >> from google.appengine.api import xmpp >> import traceback >> import logging >> >> msg = "Exception during app startup:\n\n" >> tb_txt = msg + traceback.format_exc() >> >> user_gtalk = '[email protected]' >> if xmpp.get_presence(user_gtalk): >> xmpp.send_message(user_gtalk, tb_txt) >> >> logging.critical(tb_txt) >> raise >> else: >> raise >> >> On May 25, 10:30 pm, jonmidd <[email protected]> wrote: >> >> >> >> > How do we best cope with these exceptions? >> >> > Currently my app is failing to import a file in the top most url.py >> > file due to a google.appengine.runtime.DeadlineExceededError >> > exception. >> >> > I am using Django, is there a top most place I can catch all >> > exceptions and display a custom 500 message to the user? >> >> > Currently they get the uncaught exception message which is not ideal. >> >> > Do I have to put a try catch statement around the imports in the >> > url.py file? >> >> > Or is it best to add this to the main.py >> >> > def main(): >> > try: >> > # Create a Django application for WSGI. >> > application = django.core.handlers.wsgi.WSGIHandler() >> >> > # Run the WSGI CGI handler with that application. >> > util.run_wsgi_app(application) >> > except: >> > from django.shortcuts import render_to_response >> > return render_to_response( '500.html' ) >> >> > Thanks. >> >> > On May 26, 7:58 am, Andrew Cebulski <[email protected]> wrote: >> >> > > +1 Google Apps Short Links (runs Python) down too... > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" 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?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" 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?hl=en.
