Even after changing the Superset Database type=MYSQL and Database hostname to the MySQL host, Druid superset is start failed with the below: resource_management.core.exceptions.ExecutionFailed: Execution of 'source /etc/superset/conf/superset-env.sh ; /usr/hdp/current/druid-superset/bin/superset db upgrade' returned 1. /usr/hdp/2.6.0.3-8/superset/lib/python3.4/importlib/_bootstrap.py:1161: ExtDeprecationWarning: Importing flask.ext.sqlalchemy is deprecated, use flask_sqlalchemy instead.
spec.loader.load_module(spec.name)
/usr/hdp/2.6.0.3-8/superset/lib/python3.4/importlib/_bootstrap.py:1161: ExtDeprecationWarning: Importing flask.ext.script is deprecated, use flask_script instead.
spec.loader.load_module(spec.name)
Loaded your LOCAL configuration
Traceback (most recent call last):
File "/usr/hdp/current/druid-superset/bin/superset", line 84, in <module>
from superset.cli import manager
File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/superset/__init__.py", line 36, in <module>
utils.pessimistic_connection_handling(db.engine.pool)
File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/flask_sqlalchemy/__init__.py", line 816, in engine
return self.get_engine(self.get_app())
File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/flask_sqlalchemy/__init__.py", line 833, in get_engine
return connector.get_engine()
File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/flask_sqlalchemy/__init__.py", line 493, in get_engine
info = make_url(uri)
File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/sqlalchemy/engine/url.py", line 194, in make_url
return _parse_rfc1738_args(name_or_url)
File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/sqlalchemy/engine/url.py", line 240, in _parse_rfc1738_args
return URL(name, **components)
File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/sqlalchemy/engine/url.py", line 60, in __init__
self.port = int(port)
ValueError: invalid literal for int() with base 10: ''
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