Using HDP-2.6.4.0. Enabled apache superset service. Service start is failing with following error. I am using postgresql as database for storing superset metadata. 2018-08-28 10:05:16,587:INFO:root:Creating database reference
Loaded your LOCAL configuration
Traceback (most recent call last):
File "/usr/hdp/current/superset/bin/superset", line 85, in <module>
manager.run()
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/flask_script/__init__.py", line 412, in run
result = self.handle(sys.argv[0], sys.argv[1:])
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/flask_script/__init__.py", line 383, in handle
res = handle(*args, **config)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/flask_script/commands.py", line 216, in __call__
return self.run(*args, **kwargs)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/superset/cli.py", line 27, in init
security.sync_role_definitions()
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/superset/security.py", line 122, in sync_role_definitions
get_or_create_main_db()
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/superset/security.py", line 96, in get_or_create_main_db
.filter_by(database_name='main')
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/orm/query.py", line 2690, in first
ret = list(self[0:1])
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/orm/query.py", line 2482, in __getitem__
return list(res)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/orm/loading.py", line 90, in instances
util.raise_from_cause(err)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/util/compat.py", line 203, in raise_from_cause
reraise(type(exception), exception, tb=exc_tb, cause=cause)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/util/compat.py", line 187, in reraise
raise value
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/orm/loading.py", line 75, in instances
rows = [proc(row) for row in fetch]
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/orm/loading.py", line 75, in <listcomp>
rows = [proc(row) for row in fetch]
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/orm/loading.py", line 437, in _instance
loaded_instance, populate_existing, populators)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/orm/loading.py", line 498, in _populate_full
dict_[key] = getter(row)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy/sql/type_api.py", line 1122, in process
return process_value(impl_processor(value), dialect)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy_utils/types/encrypted.py", line 266, in process_result_value
decrypted_value = self.engine.decrypt(value)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/site-packages/sqlalchemy_utils/types/encrypted.py", line 90, in decrypt
decrypted = base64.b64decode(value)
File "/usr/hdp/2.6.4.0-91/superset/lib/python3.4/base64.py", line 90, in b64decode
return binascii.a2b_base64(s)
binascii.Error: Incorrect padding Looks like a malformed string getting passed to base64.b64decode() function
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