prasanthbangs2016 opened a new issue #9700:
URL: https://github.com/apache/airflow/issues/9700


   PS C:\Users\prasanth\Desktop\p> docker logs -f 5b560ac952ff
   [2020-07-06 18:24:00,905] {{settings.py:253}} INFO - 
settings.configure_orm(): Using pool settings. pool_size=5, max_overflow=10, 
pool_recycle=1800, pid=13
   DB: 
mysql://TrueDataAdmin:***@truedata-aurora-test.cluster-cnvi8lcgayl4.us-west-2.rds.amazonaws.com:3306/prashanth_airflow
   [2020-07-06 18:24:01,919] {{db.py:368}} INFO - Creating tables
   INFO  [alembic.runtime.migration] Context impl MySQLImpl.
   INFO  [alembic.runtime.migration] Will assume non-transactional DDL.
   INFO  [alembic.runtime.migration] Running upgrade  -> e3a246e0dc1, current 
schema
   Traceback (most recent call last):
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1248, in _execute_context
       cursor, statement, parameters, context
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 
588, in do_execute
       cursor.execute(statement, parameters)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
255, in execute
       self.errorhandler(self, exc, value)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
50, in defaulterrorhandler
       raise errorvalue
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
252, in execute
       res = self._query(query)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
378, in _query
       db.query(q)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
280, in query
       _mysql.connection.query(self, query)
   _mysql_exceptions.OperationalError: (1071, 'Specified key was too long; max 
key length is 767 bytes')
   
   The above exception was the direct cause of the following exception:
   
   Traceback (most recent call last):
     File "/usr/local/bin/airflow", line 37, in <module>
       args.func(args)
     File "/usr/local/lib/python3.7/site-packages/airflow/bin/cli.py", line 
1140, in initdb
       db.initdb(settings.RBAC)
     File "/usr/local/lib/python3.7/site-packages/airflow/utils/db.py", line 
106, in initdb
       upgradedb()
     File "/usr/local/lib/python3.7/site-packages/airflow/utils/db.py", line 
376, in upgradedb
       command.upgrade(config, 'heads')
     File "/usr/local/lib/python3.7/site-packages/alembic/command.py", line 
298, in upgrade
       script.run_env()
     File "/usr/local/lib/python3.7/site-packages/alembic/script/base.py", line 
489, in run_env
       util.load_python_file(self.dir, "env.py")
     File "/usr/local/lib/python3.7/site-packages/alembic/util/pyfiles.py", 
line 98, in load_python_file
       module = load_module_py(module_id, path)
     File "/usr/local/lib/python3.7/site-packages/alembic/util/compat.py", line 
184, in load_module_py
       spec.loader.exec_module(module)
     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/migrations/env.py", 
line 96, in <module>
       run_migrations_online()
     File "/usr/local/lib/python3.7/site-packages/airflow/migrations/env.py", 
line 90, in run_migrations_online
       context.run_migrations()
     File "<string>", line 8, in run_migrations
     File 
"/usr/local/lib/python3.7/site-packages/alembic/runtime/environment.py", line 
846, in run_migrations
       self.get_context().run_migrations(**kw)
     File 
"/usr/local/lib/python3.7/site-packages/alembic/runtime/migration.py", line 
520, in run_migrations
       step.migration_fn(**kw)
     File 
"/usr/local/lib/python3.7/site-packages/airflow/migrations/versions/e3a246e0dc1_current_schema.py",
 line 73, in upgrade
       sa.PrimaryKeyConstraint('dag_id')
     File "<string>", line 8, in create_table
     File "<string>", line 3, in create_table
     File "/usr/local/lib/python3.7/site-packages/alembic/operations/ops.py", 
line 1252, in create_table
       return operations.invoke(op)
     File "/usr/local/lib/python3.7/site-packages/alembic/operations/base.py", 
line 374, in invoke
       return fn(self, operation)
     File 
"/usr/local/lib/python3.7/site-packages/alembic/operations/toimpl.py", line 
101, in create_table
       operations.impl.create_table(table)
     File "/usr/local/lib/python3.7/site-packages/alembic/ddl/impl.py", line 
258, in create_table
       self._exec(schema.CreateTable(table))
     File "/usr/local/lib/python3.7/site-packages/alembic/ddl/impl.py", line 
140, in _exec
       return conn.execute(construct, *multiparams, **params)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 984, in execute
       return meth(self, multiparams, params)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/sql/ddl.py", line 
72, in _execute_on_connection
       return connection._execute_ddl(self, multiparams, params)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1046, in _execute_ddl
       compiled,
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1288, in _execute_context
       e, statement, parameters, cursor, context
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1482, in _handle_dbapi_exception
       sqlalchemy_exception, with_traceback=exc_info[2], from_=e
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/util/compat.py", 
line 178, in raise_
       raise exception
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1248, in _execute_context
       cursor, statement, parameters, context
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 
588, in do_execute
       cursor.execute(statement, parameters)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
255, in execute
       self.errorhandler(self, exc, value)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
50, in defaulterrorhandler
       raise errorvalue
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
252, in execute
       res = self._query(query)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
378, in _query
       db.query(q)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
280, in query
       _mysql.connection.query(self, query)
   sqlalchemy.exc.OperationalError: (_mysql_exceptions.OperationalError) (1071, 
'Specified key was too long; max key length is 767 bytes')
   [SQL:
   CREATE TABLE dag (
           dag_id VARCHAR(250) NOT NULL,
           is_paused BOOL,
           is_subdag BOOL,
           is_active BOOL,
           last_scheduler_run DATETIME,
           last_pickled DATETIME,
           last_expired DATETIME,
           scheduler_lock BOOL,
           pickle_id INTEGER,
           fileloc VARCHAR(2000),
           owners VARCHAR(2000),
           PRIMARY KEY (dag_id),
           CHECK (is_paused IN (0, 1)),
           CHECK (is_subdag IN (0, 1)),
           CHECK (is_active IN (0, 1)),
           CHECK (scheduler_lock IN (0, 1))
   )
   
   ]
   (Background on this error at: http://sqlalche.me/e/e3q8)
   [2020-07-06 18:24:11,231] {{settings.py:253}} INFO - 
settings.configure_orm(): Using pool settings. pool_size=5, max_overflow=10, 
pool_recycle=1800, pid=1
   [2020-07-06 18:24:11,267] {{settings.py:253}} INFO - 
settings.configure_orm(): Using pool settings. pool_size=5, max_overflow=10, 
pool_recycle=1800, pid=17
   [2020-07-06 18:24:18,405] {{cli_action_loggers.py:107}} WARNING - Failed to 
log action with (_mysql_exceptions.ProgrammingError) (1146, "Table 
'prashanth_airflow.log' doesn't exist")
   [SQL: INSERT INTO log (dttm, dag_id, task_id, event, execution_date, owner, 
extra) VALUES (%s, %s, %s, %s, %s, %s, %s)]
   [parameters: (datetime.datetime(2020, 7, 6, 18, 24, 13, 55847, 
tzinfo=<Timezone [UTC]>), None, None, 'cli_webserver', None, 'airflow', 
'{"host_name": "5b560ac952ff", "full_command": "[\'/usr/local/bin/airflow\', 
\'webserver\']"}')]
   (Background on this error at: http://sqlalche.me/e/f405)
     ____________       _____________
    ____    |__( )_________  __/__  /________      __
   ____  /| |_  /__  ___/_  /_ __  /_  __ \_ | /| / /
   ___  ___ |  / _  /   _  __/ _  / / /_/ /_ |/ |/ /
    _/_/  |_/_/  /_/    /_/    /_/  \____/____/|__/
   [2020-07-06 18:24:18,604] {{cli_action_loggers.py:107}} WARNING - Failed to 
log action with (_mysql_exceptions.ProgrammingError) (1146, "Table 
'prashanth_airflow.log' doesn't exist")
   [SQL: INSERT INTO log (dttm, dag_id, task_id, event, execution_date, owner, 
extra) VALUES (%s, %s, %s, %s, %s, %s, %s)]
   [parameters: (datetime.datetime(2020, 7, 6, 18, 24, 13, 213461, 
tzinfo=<Timezone [UTC]>), None, None, 'cli_scheduler', None, 'airflow', 
'{"host_name": "5b560ac952ff", "full_command": "[\'/usr/local/bin/airflow\', 
\'scheduler\']"}')]
   (Background on this error at: http://sqlalche.me/e/f405)
     ____________       _____________
    ____    |__( )_________  __/__  /________      __
   ____  /| |_  /__  ___/_  /_ __  /_  __ \_ | /| / /
   ___  ___ |  / _  /   _  __/ _  / / /_/ /_ |/ |/ /
    _/_/  |_/_/  /_/    /_/    /_/  \____/____/|__/
   [2020-07-06 18:24:18,606] {{__init__.py:51}} INFO - Using executor 
SequentialExecutor
   [2020-07-06 18:24:18,667] {{__init__.py:51}} INFO - Using executor 
SequentialExecutor
   [2020-07-06 18:24:18,668] {{dagbag.py:403}} INFO - Filling up the DagBag 
from /usr/local/airflow/dags
   Traceback (most recent call last):
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1248, in _execute_context
       cursor, statement, parameters, context
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 
588, in do_execute
       cursor.execute(statement, parameters)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
255, in execute
       self.errorhandler(self, exc, value)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
50, in defaulterrorhandler
       raise errorvalue
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
252, in execute
       res = self._query(query)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
378, in _query
       db.query(q)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
280, in query
       _mysql.connection.query(self, query)
   _mysql_exceptions.ProgrammingError: (1146, "Table 'prashanth_airflow.job' 
doesn't exist")
   
   The above exception was the direct cause of the following exception:
   
   Traceback (most recent call last):
     File "/usr/local/bin/airflow", line 37, in <module>
       args.func(args)
     File "/usr/local/lib/python3.7/site-packages/airflow/utils/cli.py", line 
75, in wrapper
       return f(*args, **kwargs)
     File "/usr/local/lib/python3.7/site-packages/airflow/bin/cli.py", line 
1040, in scheduler
       job.run()
     File "/usr/local/lib/python3.7/site-packages/airflow/jobs/base_job.py", 
line 215, in run
       session.commit()
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", 
line 1036, in commit
       self.transaction.commit()
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", 
line 503, in commit
       self._prepare_impl()
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", 
line 482, in _prepare_impl
       self.session.flush()
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", 
line 2496, in flush
       self._flush(objects)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", 
line 2637, in _flush
       transaction.rollback(_capture_exception=True)
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/util/langhelpers.py", line 
69, in __exit__
       exc_value, with_traceback=exc_tb,
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/util/compat.py", 
line 178, in raise_
       raise exception
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/session.py", 
line 2597, in _flush
       flush_context.execute()
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/unitofwork.py", line 
422, in execute
       rec.execute(self)
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/unitofwork.py", line 
589, in execute
       uow,
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/persistence.py", line 
245, in save_obj
       insert,
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/persistence.py", line 
1136, in _emit_insert_statements
       statement, params
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 984, in execute
       return meth(self, multiparams, params)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/sql/elements.py", 
line 293, in _execute_on_connection
       return connection._execute_clauseelement(self, multiparams, params)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1103, in _execute_clauseelement
       distilled_params,
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1288, in _execute_context
       e, statement, parameters, cursor, context
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1482, in _handle_dbapi_exception
       sqlalchemy_exception, with_traceback=exc_info[2], from_=e
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/util/compat.py", 
line 178, in raise_
       raise exception
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1248, in _execute_context
       cursor, statement, parameters, context
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 
588, in do_execute
       cursor.execute(statement, parameters)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
255, in execute
       self.errorhandler(self, exc, value)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
50, in defaulterrorhandler
       raise errorvalue
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
252, in execute
       res = self._query(query)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
378, in _query
       db.query(q)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
280, in query
       _mysql.connection.query(self, query)
   sqlalchemy.exc.ProgrammingError: (_mysql_exceptions.ProgrammingError) (1146, 
"Table 'prashanth_airflow.job' doesn't exist")
   [SQL: INSERT INTO job (dag_id, state, job_type, start_date, end_date, 
latest_heartbeat, executor_class, hostname, unixname) VALUES (%s, %s, %s, %s, 
%s, %s, %s, %s, %s)]
   [parameters: (None, 'running', 'SchedulerJob', datetime.datetime(2020, 7, 6, 
18, 24, 18, 608905, tzinfo=<Timezone [UTC]>), None, datetime.datetime(2020, 7, 
6, 18, 24, 18, 608938, tzinfo=<Timezone [UTC]>), 'NoneType', '5b560ac952ff', 
'airflow')]
   (Background on this error at: http://sqlalche.me/e/f405)
   Running the Gunicorn Server with:
   Workers: 4 sync
   Host: 0.0.0.0:8080
   Timeout: 120
   Logfiles: - -
   =================================================================
   [2020-07-06 18:24:21,892] {{settings.py:253}} INFO - 
settings.configure_orm(): Using pool settings. pool_size=5, max_overflow=10, 
pool_recycle=1800, pid=24
   [2020-07-06 18:24:21 +0000] [24] [INFO] Starting gunicorn 19.10.0
   [2020-07-06 18:24:21 +0000] [24] [INFO] Listening at: http://0.0.0.0:8080 
(24)
   [2020-07-06 18:24:21 +0000] [24] [INFO] Using worker: sync
   [2020-07-06 18:24:21 +0000] [27] [INFO] Booting worker with pid: 27
   [2020-07-06 18:24:21 +0000] [28] [INFO] Booting worker with pid: 28
   [2020-07-06 18:24:22 +0000] [29] [INFO] Booting worker with pid: 29
   [2020-07-06 18:24:22 +0000] [30] [INFO] Booting worker with pid: 30
   [2020-07-06 18:24:23,664] {{__init__.py:51}} INFO - Using executor 
SequentialExecutor
   [2020-07-06 18:24:23,674] {{dagbag.py:403}} INFO - Filling up the DagBag 
from /usr/local/airflow/dags
   [2020-07-06 18:24:23,695] {{__init__.py:51}} INFO - Using executor 
SequentialExecutor
   [2020-07-06 18:24:23,702] {{dagbag.py:403}} INFO - Filling up the DagBag 
from /usr/local/airflow/dags
   [2020-07-06 18:24:23,762] {{__init__.py:51}} INFO - Using executor 
SequentialExecutor
   [2020-07-06 18:24:23,764] {{dagbag.py:403}} INFO - Filling up the DagBag 
from /usr/local/airflow/dags
   [2020-07-06 18:24:23,770] {{__init__.py:51}} INFO - Using executor 
SequentialExecutor
   [2020-07-06 18:24:23,773] {{dagbag.py:403}} INFO - Filling up the DagBag 
from /usr/local/airflow/dags
   [2020-07-06 18:24:58,395] {{app.py:1892}} ERROR - Exception on /admin/ [GET]
   Traceback (most recent call last):
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1248, in _execute_context
       cursor, statement, parameters, context
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 
588, in do_execute
       cursor.execute(statement, parameters)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
255, in execute
       self.errorhandler(self, exc, value)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
50, in defaulterrorhandler
       raise errorvalue
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
252, in execute
       res = self._query(query)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
378, in _query
       db.query(q)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
280, in query
       _mysql.connection.query(self, query)
   _mysql_exceptions.ProgrammingError: (1146, "Table 'prashanth_airflow.dag' 
doesn't exist")
   
   The above exception was the direct cause of the following exception:
   
   Traceback (most recent call last):
     File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 2447, in 
wsgi_app
       response = self.full_dispatch_request()
     File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1952, in 
full_dispatch_request
       rv = self.handle_user_exception(e)
     File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1821, in 
handle_user_exception
       reraise(exc_type, exc_value, tb)
     File "/usr/local/lib/python3.7/site-packages/flask/_compat.py", line 39, 
in reraise
       raise value
     File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1950, in 
full_dispatch_request
       rv = self.dispatch_request()
     File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1936, in 
dispatch_request
       return self.view_functions[rule.endpoint](**req.view_args)
     File "/usr/local/lib/python3.7/site-packages/flask_admin/base.py", line 
69, in inner
       return self._run_view(f, *args, **kwargs)
     File "/usr/local/lib/python3.7/site-packages/flask_admin/base.py", line 
368, in _run_view
       return fn(self, *args, **kwargs)
     File "/usr/local/lib/python3.7/site-packages/flask_login/utils.py", line 
258, in decorated_view
       return func(*args, **kwargs)
     File "/usr/local/lib/python3.7/site-packages/airflow/utils/db.py", line 
74, in wrapper
       return func(*args, **kwargs)
     File "/usr/local/lib/python3.7/site-packages/airflow/www/views.py", line 
2258, in index
       dags = query.offset(start).limit(dags_per_page).all()
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", 
line 3244, in all
       return list(self)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", 
line 3403, in __iter__
       return self._execute_and_instances(context)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/orm/query.py", 
line 3428, in _execute_and_instances
       result = conn.execute(querycontext.statement, self._params)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 984, in execute
       return meth(self, multiparams, params)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/sql/elements.py", 
line 293, in _execute_on_connection
       return connection._execute_clauseelement(self, multiparams, params)
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1103, in _execute_clauseelement
       distilled_params,
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1288, in _execute_context
       e, statement, parameters, cursor, context
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1482, in _handle_dbapi_exception
       sqlalchemy_exception, with_traceback=exc_info[2], from_=e
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/util/compat.py", 
line 178, in raise_
       raise exception
     File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", 
line 1248, in _execute_context
       cursor, statement, parameters, context
     File 
"/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 
588, in do_execute
       cursor.execute(statement, parameters)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
255, in execute
       self.errorhandler(self, exc, value)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
50, in defaulterrorhandler
       raise errorvalue
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
252, in execute
       res = self._query(query)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 
378, in _query
       db.query(q)
     File "/usr/local/lib/python3.7/site-packages/MySQLdb/connections.py", line 
280, in query
       _mysql.connection.query(self, query)
   sqlalchemy.exc.ProgrammingError: (_mysql_exceptions.ProgrammingError) (1146, 
"Table 'prashanth_airflow.dag' doesn't exist")
   [SQL: SELECT dag.dag_id AS dag_dag_id, dag.root_dag_id AS dag_root_dag_id, 
dag.is_paused AS dag_is_paused, dag.is_subdag AS dag_is_subdag, dag.is_active 
AS dag_is_active, dag.last_scheduler_run AS dag_last_scheduler_run, 
dag.last_pickled AS dag_last_pickled, dag.last_expired AS dag_last_expired, 
dag.scheduler_lock AS dag_scheduler_lock, dag.pickle_id AS dag_pickle_id, 
dag.fileloc AS dag_fileloc, dag.owners AS dag_owners, dag.description AS 
dag_description, dag.default_view AS dag_default_view, dag.schedule_interval AS 
dag_schedule_interval
   FROM dag
   WHERE dag.is_subdag = 0 AND dag.is_active = 1 ORDER BY dag.dag_id
    LIMIT %s, %s]
   [parameters: (0, 100)]
   (Background on this error at: http://sqlalche.me/e/f405)
   172.17.0.1 - - [06/Jul/2020:18:24:58 +0000] "GET /admin/ HTTP/1.1" 500 7676 
"-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like 
Gecko) Chrome/83.0.4103.116 Safari/537.36"
   [2020-07-06 18:25:00 +0000] [24] [INFO] Handling signal: ttin
   [2020-07-06 18:25:00 +0000] [35] [INFO] Booting worker with pid: 35
   [2020-07-06 18:25:00,962] {{__init__.py:51}} INFO - Using executor 
SequentialExecutor
   [2020-07-06 18:25:00,963] {{dagbag.py:403}} INFO - Filling up the DagBag 
from /usr/local/airflow/dags
   [2020-07-06 18:25:07 +0000] [24] [INFO] Handling signal: ttou
   [2020-07-06 18:25:07 +0000] [27] [INFO] Worker exiting (pid: 27)
   [2020-07-06 18:25:37 +0000] [24] [INFO] Handling signal: ttin
   [2020-07-06 18:25:37 +0000] [37] [INFO] Booting worker with pid: 37
   [2020-07-06 18:25:38,572] {{__init__.py:51}} INFO - Using executor 
SequentialExecutor
   [2020-07-06 18:25:38,573] {{dagbag.py:403}} INFO - Filling up the DagBag 
from /usr/local/airflow/dags
   [2020-07-06 18:25:44 +0000] [24] [INFO] Handling signal: ttou
   [2020-07-06 18:25:44 +0000] [28] [INFO] Worker exiting (pid: 28)
   


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