Inflow created AIRFLOW-2582:
-------------------------------
Summary: ImportError: No module named ext.cache
Key: AIRFLOW-2582
URL: https://issues.apache.org/jira/browse/AIRFLOW-2582
Project: Apache Airflow
Issue Type: Bug
Components: authentication
Affects Versions: Airflow 1.9.0
Reporter: Inflow
After installing a fresh installation, I am having compatibility issues with
ext.cache.
{{$ airflow webserver -p 8080
....
....
Traceback (most recent call last):
File "/usr/local/bin/airflow", line 27, in <module>
args.func(args)
File "/usr/local/lib/python2.7/dist-packages/airflow/bin/cli.py", line 678,
in webserver
app = cached_app(conf)
File "/usr/local/lib/python2.7/dist-packages/airflow/www/app.py", line 161,
in cached_app
app = create_app(config)
File "/usr/local/lib/python2.7/dist-packages/airflow/www/app.py", line 52, in
create_app
app=app, config=\{'CACHE_TYPE': 'filesystem', 'CACHE_DIR': '/tmp'})
File "/usr/local/lib/python2.7/dist-packages/flask_cache/__init__.py", line
121, in __init__
self.init_app(app, config)
File "/usr/local/lib/python2.7/dist-packages/flask_cache/__init__.py", line
156, in init_app
from .jinja2ext import CacheExtension, JINJA_CACHE_ATTR_NAME
File "/usr/local/lib/python2.7/dist-packages/flask_cache/jinja2ext.py", line
33, in <module>
from flask.ext.cache import make_template_fragment_key}}
{{ImportError: No module named ext.cache}}{{}}
{{You can find a full route that i followed
[here|}}https://stackoverflow.com/questions/50750915/debugging-web-authentication-for-apache-airflow{{].}}
{{As mentioned in another Stack Overflow
[post|https://stackoverflow.com/questions/50261135/importing-flask-exthook-raises-modulenotfounderror]:
}}
* {{something in the code is trying to import }}{{flask.exthook}}{{, which no
longer exists in Flask 1.0. }}{{flask.ext}}{{ (and }}{{flask.exthook}}{{) was
completely removed after being deprecated for at least a year. }}
* {{Any use of }}{{from flask.ext import ...}}{{ should be replaced with a
direct import of the extension. For example }}{{flask.ext.sqlalchemy}}{{
becomes }}{{flask_sqlalchemy}}{{.}}
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