HTTPException: Deadline exceeded while waiting for HTTP response from URL: #deadline

Question

We are using the developers python guide with Python data 2.15 library and as per example stated for app engine. createSite("test site one", description="test site one", source_site =("https://sites.google.com/feeds/site/googleappsforus.com/google-site-template" ))

We are getting an un-predictable response every time we use.

Exception: HTTPException: Deadline exceeded while waiting for HTTP response from URL: https://sites.google.com/feeds/site/googleappsforyou.com

Did someone experience the same issue? Is it AppEngine or Sites API related?

Regards,

Answer 1

Deadline exceeded while waiting for HTTP response from URL is actually a DeadlineExceededError. When you are making a HTTP request, App Engine maps this request to URLFetch. URLFetch has its own deadline that is configurable. See the URLFetch documentation.

It seems that your client library catches DeadlineExceededError and throws HTTPException. Your client library either passes a deadline to URLFetch (which you would need to change) or the default deadline is insufficient for your request.

Try setting the default URLFetch deadline like this:

from google.appengine.api import urlfetch
urlfetch.set_default_fetch_deadline(45)

Also make sure to check out Dealing with DeadlineExceededErrors in the official Docs.

Keep in mind that any end-user initiated request must complete in 60 seconds or will encounter a DeadlineExceededError. See App Engine Python Runtime Request Timer.