DreamyWen opened a new issue #13809:
URL: https://github.com/apache/airflow/issues/13809
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**Apache Airflow version**:
2.0.0
**Kubernetes version (if you are using kubernetes)** (use `kubectl version`):
**Environment**:
Python 3.7.3
Linux Version
uname -r
3.10.0-693.21.1.el7.x86_64
cat /etc/os-release
NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
mysql instance version
5.6.26-log
- **Cloud provider or hardware configuration**:
- **OS** (e.g. from /etc/os-release):
- **Kernel** (e.g. `uname -a`):
- **Install tools**:
- **Others**:
**What happened**:
<!-- (please include exact error messages if you can) -->
i use command to install airflow
`
pip install apache-airflow
pip install apache-airflow[mysql]
`
then change the airflow.cfg
`sql_alchemy_conn = mysql+pymysql://airflow:xxx@mydomain:3653/airflow`
then execute the command
`airflow db init`
the error occured
INFO [alembic.runtime.migration] Running upgrade 6e96a59344a4 ->
d38e04c12aa2, add serialized_dag table
Traceback (most recent call last):
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line
1278, in _execute_context
cursor, statement, parameters, context
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/engine/default.py",
line 593, in do_execute
cursor.execute(statement, parameters)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/cursors.py",
line 170, in execute
result = self._query(query)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/cursors.py",
line 328, in _query
conn.query(q)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/connections.py",
line 517, in query
self._affected_rows = self._read_query_result(unbuffered=unbuffered)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/connections.py",
line 732, in _read_query_result
result.read()
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/connections.py",
line 1075, in read
first_packet = self.connection._read_packet()
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/connections.py",
line 684, in _read_packet
packet.check_error()
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/protocol.py",
line 220, in check_error
err.raise_mysql_exception(self._data)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/err.py", line
109, in raise_mysql_exception
raise errorclass(errno, errval)
pymysql.err.InternalError: (1305, 'FUNCTION airflow.JSON_VALID does not
exist')
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/data/anaconda3/bin/airflow", line 10, in <module>
sys.exit(main())
File "/data/anaconda3/lib/python3.7/site-packages/airflow/__main__.py",
line 40, in main
args.func(args)
File
"/data/anaconda3/lib/python3.7/site-packages/airflow/cli/cli_parser.py", line
48, in command
return func(*args, **kwargs)
File
"/data/anaconda3/lib/python3.7/site-packages/airflow/cli/commands/db_command.py",
line 31, in initdb
db.initdb()
File "/data/anaconda3/lib/python3.7/site-packages/airflow/utils/db.py",
line 549, in initdb
upgradedb()
File "/data/anaconda3/lib/python3.7/site-packages/airflow/utils/db.py",
line 688, in upgradedb
command.upgrade(config, 'heads')
File "/data/anaconda3/lib/python3.7/site-packages/alembic/command.py",
line 298, in upgrade
script.run_env()
File "/data/anaconda3/lib/python3.7/site-packages/alembic/script/base.py",
line 489, in run_env
util.load_python_file(self.dir, "env.py")
File
"/data/anaconda3/lib/python3.7/site-packages/alembic/util/pyfiles.py", line 98,
in load_python_file
module = load_module_py(module_id, path)
File "/data/anaconda3/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
"/data/anaconda3/lib/python3.7/site-packages/airflow/migrations/env.py", line
108, in <module>
run_migrations_online()
File
"/data/anaconda3/lib/python3.7/site-packages/airflow/migrations/env.py", line
102, in run_migrations_online
context.run_migrations()
File "<string>", line 8, in run_migrations
File
"/data/anaconda3/lib/python3.7/site-packages/alembic/runtime/environment.py",
line 846, in run_migrations
self.get_context().run_migrations(**kw)
File
"/data/anaconda3/lib/python3.7/site-packages/alembic/runtime/migration.py",
line 522, in run_migrations
step.migration_fn(**kw)
File
"/data/anaconda3/lib/python3.7/site-packages/airflow/migrations/versions/d38e04c12aa2_add_serialized_dag_table.py",
line 46, in upgrade
conn.execute("SELECT JSON_VALID(1)").fetchone()
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line
1006, in execute
return self._execute_text(object_, multiparams, params)
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line
1181, in _execute_text
parameters,
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line
1318, in _execute_context
e, statement, parameters, cursor, context
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line
1512, in _handle_dbapi_exception
sqlalchemy_exception, with_traceback=exc_info[2], from_=e
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/util/compat.py", line
178, in raise_
raise exception
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line
1278, in _execute_context
cursor, statement, parameters, context
File
"/data/anaconda3/lib/python3.7/site-packages/sqlalchemy/engine/default.py",
line 593, in do_execute
cursor.execute(statement, parameters)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/cursors.py",
line 170, in execute
result = self._query(query)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/cursors.py",
line 328, in _query
conn.query(q)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/connections.py",
line 517, in query
self._affected_rows = self._read_query_result(unbuffered=unbuffered)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/connections.py",
line 732, in _read_query_result
result.read()
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/connections.py",
line 1075, in read
first_packet = self.connection._read_packet()
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/connections.py",
line 684, in _read_packet
packet.check_error()
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/protocol.py",
line 220, in check_error
err.raise_mysql_exception(self._data)
File "/data/anaconda3/lib/python3.7/site-packages/pymysql/err.py", line
109, in raise_mysql_exception
raise errorclass(errno, errval)
sqlalchemy.exc.InternalError: (pymysql.err.InternalError) (1305, 'FUNCTION
airflow.JSON_VALID does not exist')
[SQL: SELECT JSON_VALID(1)]
(Background on this error at: http://sqlalche.me/e/13/2j85)
**What you expected to happen**:
the db should init success
<!-- What do you think went wrong? -->
i use mysql version 5.6.26, which is deployed in company env, it's hard to
upgrade to 5.7+.
i wonder is there a workarond to use airflow 2.0.0 with mysql 5.6.26, can i
bypass the JSON_VALID function?
**How to reproduce it**:
<!---
As minimally and precisely as possible. Keep in mind we do not have access
to your cluster or dags.
If you are using kubernetes, please attempt to recreate the issue using
minikube or kind.
## Install minikube/kind
- Minikube https://minikube.sigs.k8s.io/docs/start/
- Kind https://kind.sigs.k8s.io/docs/user/quick-start/
If this is a UI bug, please provide a screenshot of the bug or a link to a
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To record a screencast, mac users can use QuickTime and then create an
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--->
install airflow version 2.0.0 with mysql instance 5.6.26 then init db should
reproduce it.
**Anything else we need to know**:
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