Traceback (most recent call last): File "/data/www/zhaos/app.py", line 4615, in get cur.execute("select qhname from qh where qhid="+qhid[:2]+" limit 1") File "/usr/lib64/python2.7/site-packages/MySQLdb/cursors.py", line 205, in execute self.errorhandler(self, exc, value) File "/usr/lib64/python2.7/site-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler raise errorclass, errorvalue OperationalError: (2006, 'MySQL server has gone away')