解决sqlalchemy.exc.OperationalError: (_mysql_exceptions.OperationalError) (2027, 'Malformed packet')

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于 2019-03-27 13:54:26 发布 · 1.9w 阅读

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#qlalchemy.exc.OperationalError

当尝试使用SQLAlchemy进行数据库操作时，遇到sqlalchemy.exc.OperationalError: (_mysql_exceptions.OperationalError) (2027, 'Malformed packet')的问题。这通常是由于数据库驱动版本与Python中使用的驱动版本不兼容，导致连接失效。解决方案是尝试降级到低版本的数据库连接驱动。" 127649226,15416793,前端LeetCode算法面试之回溯法详解,"['前端开发', '算法', 'LeetCode', 'javascript', '面试']

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Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/base.py", line 1193, in _execute_context
context)
File "/usr/local/lib/python3.7/site-packages/sqlalchemy/engine/default.py", line 507, in do_execute
cursor.execute(statement, parameters)
File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 250, 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 247, in execute
res = self._query(query)
File "/usr/local/lib/python3.7/site-packages/MySQLdb/cursors.py", line 411, in _query
rowcount = self._do_query(q)
File "/usr/local/lib/python3.7/site-packages/MySQLdb/curs