我有一个使用文件系统处理数据的python Web应用程序...当我进入bluemix并单击实例时单击并将实例增加到2.我开始崩溃..只需要一个简单的测试在我的浏览器中打开两个选项卡，当我运行用户请求时，其中一个用户实例每次都会立即崩溃。日志显示这些错误。
感谢您的帮助，不确定是否有办法将客户端分配给实例？也许它在实例之间来回反复？
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[2017-04-20 04:22:25,806] ERROR in app: Exception on /convertdoc [POST]
Apr 20, 2017 12:22:25 AM
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response = self.full_dispatch_request()
Apr 20, 2017 12:22:25 AM
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File "/app/.heroku/python/lib/python2.7/site-packages/flask/app.py", line 1630, in finalize_request
Apr 20, 2017 12:22:25 AM
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File "/app/.heroku/python/lib/python2.7/site-packages/flask/app.py", line 1725, in make_response
Apr 20, 2017 12:22:25 AM
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ValueError: View function did not return a response
Apr 20, 2017 12:22:25 AM
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return self.finalize_request(rv)
Apr 20, 2017 12:22:25 AM
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75.126.52.20 - - [20/Apr/2017 04:22:25] "POST /convertdoc HTTP/1.1" 500 -
Apr 20, 2017 12:22:25 AM
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raise ValueError('View function did not return a response')
Apr 20, 2017 12:22:25 AM
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File "/app/.heroku/python/lib/python2.7/site-packages/flask/app.py", line 1982, in wsgi_app
Apr 20, 2017 12:22:25 AM
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response = self.make_response(rv)