_The above exception was the direct cause of the following exception: Traceback (most recent call last):
File"/app/airflow2.2.3/airflow/airflow/jobs/schedulerjob.py”, line 672, in _execute self._run_scheduler_loop()
File"/app/airflow2.2.3/airflow/airflow/jobs/scheduler_job.py", line 754, in _run_scheduler_loop self.executor.heartbeat()
File"/app/airflow2.2.3/airflow/airflow/executors/base_executor.py”, line 168, in heartbeat self.sync()
File"/app/airflow2.2.3/airflow/airflow/executors/celery_executorpy”, line 330, in sync self.update_all_task_states()
File"/app/airflow223/airflow/airflow/executors/celery_executor.py”,line 442,in update_all_task_states state_and_info_by_celery_task_id=self.bulk_state_fetcher.get_many(self.tasks. values()) File"/app/airflow2.2.3/airflow/airflow/executors/celery_executorpy”,line 598, in get_many result = self._get many_from db backend(async_results)
File"/app/airflow2.2.3/airflow/airflow/executors/celery_executor.py”,line 618, in get_many_from_db_backend tasks-session.query(task_cls).filter(task_cls.task_id.in(task_ids)).all()
File“/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/orm/query.py”, line 3373, in all return list(self)
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/orm/query.py”, line 3535, in iter return self._execute_and_instances(context)
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/orm/query.py”,line 3556, in _execute_and_instances conn =self._get bind args(
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/salalchemy/orm/query.py”, line 3571, in _get_bind_args return fn(
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/orm/query.py”,line 3550, in _connection_from_session conn=self.session.connection(**kw)
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/orm/session.py”, line 1142, in connection return self._connection_for_bind(
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/orm/session.py”,line 1150, in _connection_for_bind return self.transaction.connection_for bind(
File“/app/airflow2.2.3/airflow2_env/Iib/python3.8/site-packages/sqlalchemy/orm/session.py”, line 433, in _connection_for_bind conn=bind._contextual_connect()
File“/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/salalchemy/engine/base.py”,line 2302, in _contextual_connect self._wrap_pool_connect(self.pool.connect,None),
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/engine/base.py”, line 2339, in _wrap_pool_connect
Tracking Connection.handle dbapi_exception_noconnection(
File "/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/engine/base.py”， line 1583,in handle_dbapi_exception_noconnection util.raise (
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/util/compat.py”, line 182, in raise
ents raise exception File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/salalchemy/engine/base.py”, line 2336, in _wrap_pool_connect
return fn()

2023-06-05 16:39:05.069 ERROR -Exception when executing SchedulerJob. run scheduler loop Traceback (most recent call last):
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/engine/base.py”, line 2336,in _wrap_pool_connect return fno
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/pool/base.py”, line 364, in connect returnConnectionFairy.checkout(self)
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/pool/base.py”, line 778, in _checkout fairy=ConnectionRecordcheckout(pool)
File"/app/airflow2.2.3/airflow2_env/lib/python3.8/site-packages/sqlalchemy/pool/base.py”, line 495, in checkout rec=pool. do_get()
File“/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/pool/impl.py”, line 241, in _do_get return self._createconnection()
File"/app/airflow2.2.3/airflow2_env/lib/python3.8/site-packages/salalchemy/pool/base.py”, line 309, in _create_connection return _ConnectionRecord(self)
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/sitepackages/sqlalchemy/pool/base.py”, line 440, in init self. connect(firstconnectcheck=True)
File"/app/airflow2.2.3/airflow2_env/lib/python3.8/site-packages/sqlalchemy/pool/base.py”, line 661, in connect pool.logger.debug"Error onconnect(:%s"，e)
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/util/langhelpers.py”, line 68, in exit compat.raise(
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/salalchemy/util/compat.py", line 182, in raise raise exception
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/pool/base.py”, line 656, in _connect connection =pool.invoke_creator(sel f)
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/engine/strategies.py”, line 114, in connect return dialect.connect(*cargs, **cparans)
File"/app/airflow2.2.3/airflow2_env/1ib/python3.8/site-packages/sqlalchemy/engine/default.py”,line 508, in connect return self.dbapi.connect(*cargs, **cparams)
File"/app/airflow2.2.3/airflow2_env/lib/python3.8/site-packages/psycopg2/init.py”, line 126, in connect conn=connect(dsn，connection_factory=connection_factory, **kwasync) psycopg2.0perationalError: could not connect to server: Connection timed out
Is the server running on host"xxxxxxxxxx”and accepting TCP/IP connections on port 5432?