Hi guys, I have encountered a problem about Superset of Druid. I have installed HDP2.6.0.3 and Ambari 2.5.0.3, and added the service Druid ,but the sub-service Superset of Druid is not able to be started . the error log is blow: Traceback (most recent call last): File "/var/lib/ambari-agent/cache/common-services/DRUID/0.9.2/package/scripts/superset.py", line 169, in <module> Superset().execute() File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 314, in execute method(env) File "/var/lib/ambari-agent/cache/common-services/DRUID/0.9.2/package/scripts/superset.py", line 108, in start self.configure(env, upgrade_type=upgrade_type) File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 117, in locking_configure original_configure(obj, *args, **kw) File "/var/lib/ambari-agent/cache/common-services/DRUID/0.9.2/package/scripts/superset.py", line 84, in configure user=params.druid_user) File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 155, in __init__ self.env.run() File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 160, in run self.run_action(resource, action) File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 124, in run_action provider_action() File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 262, in action_run tries=self.resource.tries, try_sleep=self.resource.try_sleep) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 72, in inner result = function(command, **kwargs) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 102, in checked_call tries=tries, try_sleep=try_sleep, timeout_kill_strategy=timeout_kill_strategy) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 150, in _call_wrapper result = _call(command, **kwargs_copy) File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 303, in _call raise ExecutionFailed(err_msg, code, out, err) 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/2.6.0.3-8/superset/lib/python3.4/site-packages/sqlalchemy/dialects/sqlite/pysqlite.py", line 337, in dbapi from sqlite3 import dbapi2 as sqlite # try 2.5+ stdlib name. File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/sqlite3/__init__.py", line 23, in <module> from sqlite3.dbapi2 import * File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/sqlite3/dbapi2.py", line 27, in <module> from _sqlite3 import * ImportError: No module named '_sqlite3' During handling of the above exception, another exception occurred: 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 499, in get_engine self._engine = rv = sqlalchemy.create_engine(info, **options) File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/sqlalchemy/engine/__init__.py", line 387, in create_engine return strategy.create(*args, **kwargs) File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/sqlalchemy/engine/strategies.py", line 80, in create dbapi = dialect_cls.dbapi(**dbapi_args) File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/sqlalchemy/dialects/sqlite/pysqlite.py", line 339, in dbapi raise e File "/usr/hdp/2.6.0.3-8/superset/lib/python3.4/site-packages/sqlalchemy/dialects/sqlite/pysqlite.py", line 334, in dbapi from pysqlite2 import dbapi2 as sqlite ImportError: No module named 'pysqlite2' my os is centos 7.X Please help me check this problem, and give me some suggestions! Thx ... View more