Traceback (most recent call last):


 "/usr/local/lib/python3.5/dist-packages/tensorflow/python/client/session.py", line 1322, in _do_call

return fn(*args)


 "/usr/local/lib/python3.5/dist-packages/tensorflow/python/client/session.py", line 1307, in _run_fn

options, feed_dict, fetch_list, target_list, run_metadata)


 "/usr/local/lib/python3.5/dist-packages/tensorflow/python/client/session.py", line 1409, in _call_tf_sessionrun

run_metadata)
tensorflow.python.framework.errors_impl.InvalidArgumentError: Nan in summary histogram for: pred

[2020-07-20 18:08:54,911][DummyThread-262:139872069604936][task_id:default][pgsql.py:160][WARNING]- PgSQL命令执行报错，语句：SELECT datname FROM pg_database;， 错误信息：Traceback (most recent call last):


 "/opt/archery/sql/engines/pgsql.py", line 144, in _query

conn = self.get_connection(db_name=db_name)


 "/opt/archery/sql/engines/pgsql.py", line 30, in get_connection

password=self.password, dbname=db_name)


 "/opt/venv4archery/lib/python3.6/site-packages/psycopg2/__init__.py", line 126, in connect

conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
psycopg2.OperationalError: FATAL:
database "db_sys" does not exist
