We are migrating google cloud endpoint v1 to v2 using following google document.
https://cloud.google.com/endpoints/docs/frameworks/python/migrating
After deployment of migrated version getting below error.
"RuntimeError: A tasklet should not yield a plain value"
Here is full traceback.
Traceback (most recent call last):
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/runtime/wsgi.py", line 267, in Handle
result = handler(dict(self._environ), self._StartResponse)
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/ext/ndb/tasklets.py", line 1108, in add_context_wrapper
return synctaskletfunc(*args, **kwds)
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/ext/ndb/tasklets.py", line 1087, in synctasklet_wrapper
return taskletfunc(*args, **kwds).get_result()
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/ext/ndb/tasklets.py", line 383, in get_result
self.check_success()
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/ext/ndb/tasklets.py", line 378, in check_success
self.wait()
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/ext/ndb/tasklets.py", line 362, in wait
if not ev.run1():
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/ext/ndb/eventloop.py", line 268, in run1
delay = self.run0()
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/ext/ndb/eventloop.py", line 230, in run0
callback(*args, **kwds)
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/7894e0c59273b2b7/python27/python27_lib/versions/1/google/appengine/ext/ndb/tasklets.py", line 509, in _help_tasklet_along
'%.200s yielded %.200r' % (info, value))
RuntimeError: A tasklet should not yield a plain value: initial generator __call__(endpoints_dispatcher.py:128) yielded '{\n "auth": {\n "oauth2": {\n "scopes": {}\n }\n },\n "basePath": "<APINAME>",\n "baseUrl": "https://<<PROJECTNAME>>.appspot.com/<APINAME>",\n "batchPath": "batch"
I already tried few things like, i know some of the tries are not logical but though tried.
- Deployment using gcloud and appcfg.py
- Deleted all older version and deploying new version
- Generate new discovery doc and deployed
- Generate openapi service json and deployed new services as well.
Is any one face similar issue pls help me.
