google.appengine.runtime.DeadlineExceededError sol

Question

My appengine application often throws out this exception. This is because appengine application is blocked in China, so I uses third party service to bypass the blocking. My application needs to call the APIs, which is in China, to fulfill the requests. I know many of you have no this problem, please for help. I know the limit is 30 seconds.I can't let google to lengthen it.

Answer 1

You could use a Task Queue to do the actual request and either have the client poll for a result or use the Channel API. This would increase your limit to 10 minutes instead of 30 seconds.

So, for example:

• Browser makes request via AJAX
• Server returns Channel token and kicks off Task
• Browser opens channel and waits for response
• Task provides browser response via channel