I already solved it.
This is because the flexible environment does not support
builtins:
- deferred: on
on app.yaml.
You should mention this on the migration document or emit an error when
deploying. This is a really bad experience for those migrating with the
lack of proper documentation on this.
On Mon, Oct 3, 2016, 04:30 'Adam (Cloud Platform Support)' via Google App
Engine <google-appengine@googlegroups.com> wrote:
> Could you post an example app.yaml that shows your configuration? Also, if
> you are using 'google.appengine.ext.deferred.defer' to spawn your tasks,
> have you tested using the App Engine Task Queue API
> <https://cloud.google.com/appengine/docs/python/taskqueue/> directly?
>
>
> On Wednesday, September 28, 2016 at 1:41:56 PM UTC-4, Randy Sugianto wrote:
>
>
> Since I switched my App Engine app to a flexible environment, it seems
> that all tasks failed to run. I was surprised that all tasks failed. But
> when I open the logs, I got only this:
>
> 01:33:56.026POST500167 B4 msAppEngine-Google; (+
> http://code.google.com/appengine)/_ah/queue/deferred
>
> The status code is 500, but when I expand it, there is only this
> information inside:
>
> 0.1.0.2 - - [29/Sep/2016:01:33:56 +0800] "POST /_ah/queue/deferred
> HTTP/1.1" 500 167
> http://0.xxx.module-sync.x.appspot.com/_ah/background
> "AppEngine-Google; (+http://code.google.com/appengine)" "
> module-sync.xx.appspot.com" ms=4 cpu_ms=0 cpm_usd=1.8663e-8
> loading_request=0 instance=- app_engine_release=1.9.45 trace_id=-
> {
> metadata: {…}
> protoPayload: {…}
> insertId: "2016-09-28|10:34:00.180396-07|10.106.31.139|1292268011"
> log: "appengine.googleapis.com/request_log"
> httpRequest: {…}
> operation: {…}
> }
> There is no exception or stack trace or anything else that I usually see
> when I was using the standard environment.
>
> How can I troubleshoot this? Why are my deferred tasks not run?
>
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