Hello,
I am holding deployment of 1.33.0-wmf.4 to the Wikimedia infrastructure.
Some code path attempts to retrieve a memcached entry using an empty
string as a key. It is most probably going to cause major issues if we
keep pushing the train.
The task is:
https://phabricator.wikimedia.org/T209429
memcached error: A BAD KEY WAS PROVIDED/CHARACTERS OUT OF RANGE
It originates from MemcachedPeclBagOStuff::checkResult() which logs an
error albeit without any context. Probably adding an exception context
would give us a stacktrace and thus find the faulting code.
--
Antoine "hashar" Musso