python - GAE module: "Request attempted to contact a stopped backend." -


i experiencing issue in gae app sending requests non-default modules. every request throws error in logs saying:

request attempted contact stopped backend.

when try access module directly through browser, get:

the requested url / not found on server.

i attempted stop , start "backend" modules few times no avail. tried changing default version module previous working version, requests front-end still hitting "new", non-default version. when try access previous version of module through browser, does work however.

one final symptom: able upload non-default modules fine, cannot upload default front-end module. process continually says "checking if deployment succeeded...will check again in 60 seconds.", after rolling update.

i googled error logs , found literally nothing. have idea what's going on here, or how fix it?

fixed shutting down instances (on modules/versions safe).


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