wolfier opened a new issue #17453:
URL: https://github.com/apache/airflow/issues/17453
**Apache Airflow version**: 2.1.0 or really any Airflow versions
**What happened**:
When I try to install the snowflake provider, the version of SQLAlchemy also
get upgraded. Due to the dependency of packages installed by the snowflake
provider, more specifically the requirements of snowflake-sqlalchemy,
SQLAlchemy is forced toe upgraded.
This upgrade caused some issues with the webserver startup, which generated
this unhelpful error log.
```
[2021-08-04 19:37:45,566] {abstract.py:229} ERROR - Failed to add operation
for GET /api/v1/connections
Traceback (most recent call last):
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/apis/abstract.py",
line 209, in add_paths
self.add_operation(path, method)
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/apis/abstract.py",
line 173, in add_operation
pass_context_arg_name=self.pass_context_arg_name
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/operations/__init__.py",
line 8, in make_operation
return spec.operation_cls.from_spec(spec, *args, **kwargs)
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/operations/openapi.py",
line 138, in from_spec
**kwargs
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/operations/openapi.py",
line 89, in __init__
pass_context_arg_name=pass_context_arg_name
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/operations/abstract.py",
line 96, in __init__
self._resolution = resolver.resolve(self)
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/resolver.py",
line 40, in resolve
return Resolution(self.resolve_function_from_operation_id(operation_id),
operation_id)
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/resolver.py",
line 66, in resolve_function_from_operation_id
raise ResolverError(str(e), sys.exc_info())
airflow._vendor.connexion.exceptions.ResolverError: <ResolverError: columns>
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/bin/airflow", line 8, in <module>
sys.exit(main())
File "/usr/local/lib/python3.7/site-packages/airflow/__main__.py", line
40, in main
args.func(args)
File "/usr/local/lib/python3.7/site-packages/airflow/cli/cli_parser.py",
line 48, in command
return func(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/airflow/utils/cli.py", line
91, in wrapper
return f(*args, **kwargs)
File
"/usr/local/lib/python3.7/site-packages/airflow/cli/commands/sync_perm_command.py",
line 26, in sync_perm
appbuilder = cached_app().appbuilder # pylint: disable=no-member
File "/usr/local/lib/python3.7/site-packages/airflow/www/app.py", line
146, in cached_app
app = create_app(config=config, testing=testing)
File "/usr/local/lib/python3.7/site-packages/airflow/www/app.py", line
130, in create_app
init_api_connexion(flask_app)
File
"/usr/local/lib/python3.7/site-packages/airflow/www/extensions/init_views.py",
line 186, in init_api_connexion
specification='v1.yaml', base_path=base_path, validate_responses=True,
strict_validation=True
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/apps/flask_app.py",
line 57, in add_api
api = super(FlaskApp, self).add_api(specification, **kwargs)
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/apps/abstract.py",
line 156, in add_api
options=api_options.as_dict())
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/apis/abstract.py",
line 111, in __init__
self.add_paths()
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/apis/abstract.py",
line 216, in add_paths
self._handle_add_operation_error(path, method, err.exc_info)
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/apis/abstract.py",
line 231, in _handle_add_operation_error
raise value.with_traceback(traceback)
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/resolver.py",
line 61, in resolve_function_from_operation_id
return self.function_resolver(operation_id)
File
"/usr/local/lib/python3.7/site-packages/airflow/_vendor/connexion/utils.py",
line 111, in get_function_from_name
module = importlib.import_module(module_name)
File "/usr/local/lib/python3.7/importlib/__init__.py", line 127, in
import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in
_call_with_frames_removed
File
"/usr/local/lib/python3.7/site-packages/airflow/api_connexion/endpoints/connection_endpoint.py",
line 26, in <module>
from airflow.api_connexion.schemas.connection_schema import (
File
"/usr/local/lib/python3.7/site-packages/airflow/api_connexion/schemas/connection_schema.py",
line 42, in <module>
class ConnectionSchema(ConnectionCollectionItemSchema): # pylint:
disable=too-many-ancestors
File "/usr/local/lib/python3.7/site-packages/marshmallow/schema.py", line
117, in __new__
dict_cls=dict_cls,
File
"/usr/local/lib/python3.7/site-packages/marshmallow_sqlalchemy/schema/sqlalchemy_schema.py",
line 94, in get_declared_fields
fields.update(mcs.get_auto_fields(fields, converter, opts, dict_cls))
File
"/usr/local/lib/python3.7/site-packages/marshmallow_sqlalchemy/schema/sqlalchemy_schema.py",
line 108, in get_auto_fields
for field_name, field in fields.items()
File
"/usr/local/lib/python3.7/site-packages/marshmallow_sqlalchemy/schema/sqlalchemy_schema.py",
line 110, in <dictcomp>
and field_name not in opts.exclude
File
"/usr/local/lib/python3.7/site-packages/marshmallow_sqlalchemy/schema/sqlalchemy_schema.py",
line 28, in create_field
return converter.field_for(model, column_name, **self.field_kwargs)
File
"/usr/local/lib/python3.7/site-packages/marshmallow_sqlalchemy/convert.py",
line 171, in field_for
return self.property2field(prop, **kwargs)
File
"/usr/local/lib/python3.7/site-packages/marshmallow_sqlalchemy/convert.py",
line 146, in property2field
field_class = field_class or self._get_field_class_for_property(prop)
File
"/usr/local/lib/python3.7/site-packages/marshmallow_sqlalchemy/convert.py",
line 210, in _get_field_class_for_property
column = prop.columns[0]
File
"/usr/local/lib/python3.7/site-packages/sqlalchemy/util/langhelpers.py", line
1240, in __getattr__
return self._fallback_getattr(key)
File
"/usr/local/lib/python3.7/site-packages/sqlalchemy/util/langhelpers.py", line
1214, in _fallback_getattr
raise AttributeError(key)
AttributeError: columns
```
**What you expected to happen**:
I expect to install a provider package without needing to worry about it
breaking Airflow's dependency. Providers are suppose to be Airflow version
agnostic post 2.0.
**How to reproduce it**:
Install any version of the snowflake provider package.
```
apache-airflow-providers-snowflake
```
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