[Tilecache] Broken Pipe

[Stephan Holl]

Hi TileCache-users,

I just evaluated TileCache for a project and found the following error
messages in my shell where I started the tilecache_http_server:

Cache hit:
3329653.23092,5797715.44339,3338684.33715,5806746.54962, Tile: x: 21,
y: 23, z: 3, time: 0.000220060348511, debug: True Traceback (most
recent call last): File "/usr/lib/python2.5/wsgiref/handlers.py", line
93, in run self.finish_response() File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 134, in
	finish_response self.write(data) File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 217, in write
	self.send_headers() File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 273, in
	send_headers self.send_preamble() File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 199, in
	send_preamble 'Date: %s\r\n' % format_date_time(time.time())
	File "/usr/lib/python2.5/socket.py", line 274, in write
	self.flush() File "/usr/lib/python2.5/socket.py", line 261, in
	flush self._sock.sendall(buffer)
error: (32, 'Broken pipe')
Cache hit: 3329653.23092,5788684.33715,3338684.33715,5797715.44339,
	Tile: x: 21, y: 22, z: 3, time: 0.000218868255615, debug: True
	Traceback (most recent call last): File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 93, in run
	self.finish_response() File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 134, in
	finish_response self.write(data) File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 217, in write
	self.send_headers() File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 273, in
	send_headers self.send_preamble() File
	"/usr/lib/python2.5/wsgiref/handlers.py", line 199, in
	send_preamble 'Date: %s\r\n' % format_date_time(time.time())
	File "/usr/lib/python2.5/socket.py", line 274, in write
	self.flush() File "/usr/lib/python2.5/socket.py", line 261, in
	flush self._sock.sendall(buffer)
error: (32, 'Broken pipe')

This mostly appears when accessing a not-yet-requested tile. Basically
tilecache works as expected, so I assume I can ignore the logs?

My installation:
* Debian Lenny stock-installation
* TileCache (2.03 from Lenny) running as a standalone-server using
  tilecache_http_server_server.
* Disc-Cache
* WMS-Server to Cache.

Thanks for any pointers.

	Stephan
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