Broken pipe error in Flask server
I am using Flask for some of my internal services. If you haven't used Flask, I would absolutely recommend that you check it out.
Recently I got the following error while I was attempting to serve a page from template. In an attempt to troubleshoot the error, I wasted almost half an hour.
If you happen to receive this error, most likely cause is that the template you are attempting to render using "render_template" function is not found under PROJ_ROOT/templates directory. All the templates should be present under the PROJ_ROOT/templates directory. Unfortunately you don't see an accurate error message indicating that the template is missing!
Recently I got the following error while I was attempting to serve a page from template. In an attempt to troubleshoot the error, I wasted almost half an hour.
127.0.0.1 - - [19/Jun/2012 17:48:37] "POST /" 500 - ---------------------------------------- Exception happened during processing of request from ('127.0.0.1', 55176) Traceback (most recent call last): File "/usr/lib/python2.7/SocketServer.py", line 284, in _handle_request_noblock self.process_request(request, client_address) File "/usr/lib/python2.7/SocketServer.py", line 310, in process_request self.finish_request(request, client_address) File "/usr/lib/python2.7/SocketServer.py", line 323, in finish_request self.RequestHandlerClass(request, client_address, self) File "/usr/lib/python2.7/SocketServer.py", line 641, in __init__ self.finish() File "/usr/lib/python2.7/SocketServer.py", line 694, in finish self.wfile.flush() File "/usr/lib/python2.7/socket.py", line 303, in flush self._sock.sendall(view[write_offset:write_offset+buffer_size]) error: [Errno 32] Broken pipe ----------------------------------------
If you happen to receive this error, most likely cause is that the template you are attempting to render using "render_template" function is not found under PROJ_ROOT/templates directory. All the templates should be present under the PROJ_ROOT/templates directory. Unfortunately you don't see an accurate error message indicating that the template is missing!
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Traceback (most recent call last):
File "/home/sheshank/.local/lib/python2.7/site-packages/werkzeug/serving.py", line 270, in run_wsgi
execute(self.server.app)
File "/home/sheshank/.local/lib/python2.7/site-packages/werkzeug/serving.py", line 261, in execute
write(data)
File "/home/sheshank/.local/lib/python2.7/site-packages/werkzeug/serving.py", line 227, in write
self.send_header(key, value)
File "/usr/lib/python2.7/BaseHTTPServer.py", line 401, in send_header
self.wfile.write("%s: %s\r\n" % (keyword, value))
IOError: [Errno 32] Broken pipe