"The API call memcache.Set() was cancelled"

[Joshua Fox]

I am getting this error on calls to Memcache, a lot.  

Logs show that this happens only 1 second into the start of the HTTP request to  GAE Standard Env , so it's not a timeout.

Also, calls to Memcache are not too frequent.

What is causing this?  

 The API call memcache.Set() was cancelled because the thread was interrupted while waiting for concurrent API calls. com.google.apphosting.api.ApiProxy$CancelledException: The API call memcache.Set() was cancelled because the thread was interrupted while waiting for concurrent API calls. at  com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:89) at com.google.appengine.api.utils.FutureWrapper.get(FutureWrapper.java:89) at com.google.appengine.api.memcache.MemcacheServiceImpl.quietGet(MemcacheServiceImpl.java:26) at com.google.appengine.api.memcache.MemcacheServiceImpl.put(MemcacheServiceImpl.java:79) 

[Kenworth (Google Cloud Platform)]

Since you rightfully posted this also at StackOverflow, I will help you on that thread. Future discussions should be made on StackOverflow since this is off-topic for the platform which is used mainly for general discussions of Google Cloud products and services. 

https://stackoverflow.com/questions/48794843/google-app-engine-memcache-api-throws-memcache-set-was-cancelled

[Joshua Fox]

The cause was that the request was exited before Memcache was called. 

On Thu, Feb 15, 2018 at 12:15 AM, 'Kenworth (Google Cloud Platform)' via Google App Engine <google-a...@googlegroups.com> wrote:

Since you rightfully posted this also at StackOverflow, I will help you on that thread. Future discussions should be made on StackOverflow since this is off-topic for the platform which is used mainly for general discussions of Google Cloud products and services. 

https://stackoverflow.com/questions/48794843/google-app-engine-memcache-api-throws-memcache-set-was-cancelled

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JOSHUA FOX

Director, Software Architecture | Freightos

T (Israel): +972-545691165 | T (US):  +1-3123400953  

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