我试图将我的工作烧瓶应用程序部署到AWS，但是它给出了内部服务器错误500.我最后也附加了错误日志。我有beanstalk的python 2.7环境，我的虚拟环境也是如此。我在pip list和requirements.txt中有所有需要的包。
from flask import Flask, flash, render_template, request, session
from flaskext.mysql import MySQL
import os
application = Flask(__name__)
mysql = MySQL()
application.config['MYSQL_DATABASE_USER'] = 'user'
application.config['MYSQL_DATABASE_PASSWORD'] = 'password'
application.config['MYSQL_DATABASE_DB'] = 'nilesh'
application.config['MYSQL_DATABASE_HOST'] = 'nilesh-practice.us-west-2.rds.amazonaws.com'
mysql.init_app(application)
conn = mysql.connect()
cursor = conn.cursor()
cursor.execute("SELECT first_name from nilesh123.login_user")
first = cursor.fetchall()
cursor.execute("SELECT last_name from nilesh123.login_user")
last = cursor.fetchall()
@application.route('/')
def home():
if not session.get('logged_in'):
return render_template('login.html')
else:
return render_template('search.html', first=first, last=last)
@application.route('/login', methods=['POST'])
def do_admin_login():
if request.form['password'] == 'password' and request.form['username'] == 'admin':
session['logged_in'] = True
else:
flash('Wrong Password!')
return home()
@application.route("/logout")
def logout():
session['logged_in'] = False
return home()
@application.route('/search', methods=['POST'])
def search():
if request.form['firstname'] != '' and request.form['lastname'] == '':
sql = "SELECT * from nilesh123.login_user WHERE first_name = %s"
cursor.execute(sql, request.form['firstname'])
result = cursor.fetchall()
return render_template('display.html', result=result)
elif request.form['firstname'] == '' and request.form['lastname'] != '':
last1 = request.form['lastname']
sql = "SELECT * from nilesh123.login_user WHERE last_name = %s "
cursor.execute(sql, request.form['lastname'])
result = cursor.fetchall()
return render_template('display.html', result=result)
elif request.form['firstname'] != '' and request.form['lastname'] != '':
cursor.execute("SELECT * from nilesh123.login_user WHERE last_name like 'request.form['lastname']' AND \
first_name like 'request.form['firstname']'")
result = cursor.fetchall()
return render_template('display.html', result=result)
return render_template('search.html')
if __name__ == "__main__":
application.secret_key = os.urandom(12)
application.run(debug=True, host='0.0.0.0', port=4500)
错误日志：
[Mon Jun 05 02:48:07.210177 2017] [:warn] [pid 3253] mod_wsgi: Compiled for Python/2.7.10.
[Mon Jun 05 02:48:07.210181 2017] [:warn] [pid 3253] mod_wsgi: Runtime using Python/2.7.12.
[Mon Jun 05 02:48:07.211976 2017] [mpm_prefork:notice] [pid 3253] AH00163: Apache/2.4.25 (Amazon) mod_wsgi/3.5 Python/2.7.12 configured -- resuming normal operations
[Mon Jun 05 02:48:07.211988 2017] [core:notice] [pid 3253] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'
[Mon Jun 05 02:48:19.956456 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] mod_wsgi (pid=3258): Target WSGI script '/opt/python/current/app/application.py' cannot be loaded as Python module.
[Mon Jun 05 02:48:19.956485 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] mod_wsgi (pid=3258): Exception occurred processing WSGI script '/opt/python/current/app/application.py'.
[Mon Jun 05 02:48:19.956506 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] Traceback (most recent call last):
[Mon Jun 05 02:48:19.956518 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/current/app/application.py", line 14, in <module>
[Mon Jun 05 02:48:19.956572 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] conn = mysql.connect()
[Mon Jun 05 02:48:19.956582 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/run/venv/lib/python2.7/site-packages/flaskext/mysql.py", line 53, in connect
[Mon Jun 05 02:48:19.956622 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] return pymysql.connect(**self.connect_args)
[Mon Jun 05 02:48:19.956630 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/run/venv/lib/python2.7/site-packages/pymysql/__init__.py", line 90, in Connect
[Mon Jun 05 02:48:19.956675 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] return Connection(*args, **kwargs)
[Mon Jun 05 02:48:19.956683 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/run/venv/lib/python2.7/site-packages/pymysql/connections.py", line 706, in __init__
[Mon Jun 05 02:48:19.956706 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] self.connect()
[Mon Jun 05 02:48:19.956711 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/run/venv/lib/python2.7/site-packages/pymysql/connections.py", line 963, in connect
[Mon Jun 05 02:48:19.956732 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] raise exc
[Mon Jun 05 02:48:19.956748 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] OperationalError: (2003, "Can't connect to MySQL server on 'nilesh-practice.ccajuffzgfk9.us-west-2.rds.amazonaws.com' (timed out)")
[Mon Jun 05 02:48:30.066771 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] mod_wsgi (pid=3258): Target WSGI script '/opt/python/current/app/application.py' cannot be loaded as Python module.
[Mon Jun 05 02:48:30.066828 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] mod_wsgi (pid=3258): Exception occurred processing WSGI script '/opt/python/current/app/application.py'.
[Mon Jun 05 02:48:30.066850 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] Traceback (most recent call last):
[Mon Jun 05 02:48:30.066863 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/current/app/application.py", line 14, in <module>
[Mon Jun 05 02:48:30.066881 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] conn = mysql.connect()
[Mon Jun 05 02:48:30.066888 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/run/venv/lib/python2.7/site-packages/flaskext/mysql.py", line 53, in connect
[Mon Jun 05 02:48:30.066898 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] return pymysql.connect(**self.connect_args)
[Mon Jun 05 02:48:30.066906 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/run/venv/lib/python2.7/site-packages/pymysql/__init__.py", line 90, in Connect
[Mon Jun 05 02:48:30.066915 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] return Connection(*args, **kwargs)
[Mon Jun 05 02:48:30.066920 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/run/venv/lib/python2.7/site-packages/pymysql/connections.py", line 706, in __init__
[Mon Jun 05 02:48:30.066928 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] self.connect()
[Mon Jun 05 02:48:30.066932 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] File "/opt/python/run/venv/lib/python2.7/site-packages/pymysql/connections.py", line 963, in connect
[Mon Jun 05 02:48:30.066939 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] raise exc
[Mon Jun 05 02:48:30.066953 2017] [:error] [pid 3258] [remote 127.0.0.1:27151] OperationalError: (2003, "Can't connect to MySQL server on 'nilesh-practice.ccajuffzgfk9.us-west-2.rds.amazonaws.com' (timed out)")
答案 0 :(得分：1)
关于MySQL，
你可以尝试：
如果两者都有问题，您必须检查：
希望它对你有所帮助。