I just started getting the following error on launching instances of a
backend I have when it tries to hit the '/_ah/start' end point on start up:
...REMOVED...
bq_schema = ndb.JsonProperty('bqs', compressed=True)
File
"/base/python27_runtime/python27_lib/versions/1/google/appengine/ext/ndb/utils.py",
line 135, in positional_wrapper
(wrapped.__name__, max_pos_args, plural_s, len(args)))
TypeError: __init__() takes at most 1 positional argument (2 given)
Followed by:
Process terminated because it failed to respond to the start request with an
HTTP status code of 200-299 or 404.
I know for a fact the code its breaking on is ok. My frontend runs the same
code and is working fine as well as other backend instances. Looks as if
the code for my application isn't being loaded properly on select
instances. I target tasks to specific instance numbers of my backend, and
although the backend instances that fail will shutdown and try to spin up
again, they keep hitting these issues. Every single backend instance that
hits this seems to always hit it. So since I am targeting, my tasks never
complete.
Was there a tweak made to the platform that could be causing these issues?
Useful Info:
Python 2.7 with threadsafe: True
Backend/Front End code are the same, just using backends for back end work
on specific URL end points
Backends were functioning fine for the past few months and just started
seeing issues such as this
Backends are 20 dynamic B1 instances
The '/_ah/start' end point doesn't do anything but go through my frameworks
start up procedure (imports and such) which hasn't cause any issues in the
past.
Any help would be appreciated!
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