hello there:
python version 3.8.17
pymysql version 1.0.0
platform:both linux and windows can reproduce
error stack
Traceback (most recent call last):
File "C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\flask\app.py", line
2091, in __call__
return self.wsgi_app(environ, start_response)
File "C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\flask\app.py", line
2076, in wsgi_app
response = self.handle_exception(e)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\skywalking\plugins\sw_flask.py",
line 87, in _sw_handle_exception
return _handle_exception(this, e)
File "C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\flask\app.py", line
2073, in wsgi_app
response = self.full_dispatch_request()
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\skywalking\plugins\sw_flask.py",
line 65, in _sw_full_dispatch_request
resp = _full_dispatch_request(this)
File "C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\flask\app.py", line
1519, in full_dispatch_request
rv = self.handle_user_exception(e)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\skywalking\plugins\sw_flask.py",
line 79, in _sw_handle_user_exception
return _handle_user_exception(this, e)
File "C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\flask\app.py", line
1517, in full_dispatch_request
rv = self.dispatch_request()
File "C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\flask\app.py", line
1503, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
File "D:\code\model_algo\api\controller\job.py", line 53, in job_result
if result.status == "FAILURE":
File "C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\celery\result.py",
line 473, in state
return self._get_task_meta()['status']
File "C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\celery\result.py",
line 412, in _get_task_meta
return self._maybe_set_cache(self.backend.get_task_meta(self.id))
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\celery\backends\base.py",
line 386, in get_task_meta
meta = self._get_task_meta_for(task_id)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\celery\backends\database\__init__.py",
line 53, in _inner
return fun(*args, **kwargs)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\celery\backends\database\__init__.py",
line 122, in _get_task_meta_for
session = self.ResultSession()
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\celery\backends\database\__init__.py",
line 96, in ResultSession
return session_manager.session_factory(
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\celery\backends\database\session.py",
line 59, in session_factory
self.prepare_models(engine)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\celery\backends\database\session.py",
line 54, in prepare_models
ResultModelBase.metadata.create_all(engine)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\sql\schema.py",
line 4917, in create_all
bind._run_ddl_visitor(
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\engine\base.py",
line 3227, in _run_ddl_visitor
with self.begin() as conn:
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\engine\base.py",
line 3143, in begin
conn = self.connect(close_with_result=close_with_result)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\engine\base.py",
line 3315, in connect
return self._connection_cls(self, close_with_result=close_with_result)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\engine\base.py",
line 96, in __init__
else engine.raw_connection()
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\engine\base.py",
line 3394, in raw_connection
return self._wrap_pool_connect(self.pool.connect, _connection)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\engine\base.py",
line 3361, in _wrap_pool_connect
return fn()
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\pool\base.py",
line 320, in connect
return _ConnectionFairy._checkout(self)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\pool\base.py",
line 884, in _checkout
fairy = _ConnectionRecord.checkout(pool)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\pool\base.py",
line 486, in checkout
rec = pool._do_get()
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\pool\impl.py",
line 256, in _do_get
return self._create_connection()
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\pool\base.py",
line 266, in _create_connection
return _ConnectionRecord(self)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\pool\base.py",
line 381, in __init__
self.__connect()
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\pool\base.py",
line 689, in __connect
pool.dispatch.connect.for_modify(
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\event\attr.py",
line 320, in _exec_w_sync_on_first_run
self(*args, **kw)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\event\attr.py",
line 334, in __call__
fn(*args, **kw)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\engine\create.py",
line 658, in on_connect
do_on_connect(dbapi_connection)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\sqlalchemy\dialects\mysql\mysqldb.py",
line 176, in on_connect
cursor.execute("SET NAMES %s" % charset_name)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\skywalking\plugins\sw_mysqlclient.py",
line 70, in execute
return self._self_cur.execute(query, args)
File
"C:\Users\heyuhao\.conda\envs\algo\lib\site-packages\skywalking\plugins\sw_pymysql.py",
line 45, in _sw_execute
span.tag(TagDbInstance((this.connection.db or b'').decode('utf-8')))
AttributeError: 'str' object has no attribute 'decode'
[cid:37bb7f7a-15db-4cc0-8a61-694b4ea9de32]
TKS.
