-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Robert,
On 9/14/14 4:55 PM, Robert Boyle wrote: > Here's what I'm trying to do: > > I'm building a web-based cueing system for a theatre. Until I > figure out how to use WebSockets, my system will use JavaScript to > refresh the webpage every second with a "cue status file". This is > an HTML file built on the fly by VB (or Python). One second latency > is no problem. > > The problem: > > Unfortunately (for this application) Tomcat caches the web page > internally for 5 seconds by default, so the maximum cumulative > latency is 6 seconds which is a bit much. > > I believe I can change this by setting the CacheTTL parameter but, > when I try to do this in BASEDIR/conf/context.xml by adding the > line > > <cacheTTL=1000>, the server won't start and spews out many lines of > error messages. > > I am a total newcomer to Tomcat but I've spend some hours trying to > find examples of config files on the web with little success. > > Obviously I haven't understood the syntax required here so any help > is gratefully received. Simple solution: make the HTML file a dynamic resource that Tomcat knows how to generate. That way, there is never any problem with cache TTL, etc. Why did you decide to update the HTML file with VB/Python and then serve it through Tomcat? - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: GPGTools - http://gpgtools.org iQIcBAEBCAAGBQJUFukSAAoJEBzwKT+lPKRYo7gQAI8CohVwGcEDLjgr1RN3ZT5H l/rSSyniUuX0LSQyODaLSYAt7hmr+Kf6Y/pS03pOfn+Tw8KU4gcG8ZkOCxUS8cV/ pqwT844MXpeKF5oql4ManmDgOV7jZ6ivDyHOhDtaLM+iwCv9WGroYFpKTn5cuL6W dKHRAC2o4GHV1CTqwoMBVv/kAASwXd5MWyMOMrXQnUFABxSp9nbkSvalXm6xWfZN up31rR6MLILeQFelEQ6QucxyXBXyJbjr+iALM8cOEO8L1/dT/VxlYVdcGvCn5wSd yr0gI9TzdZ5OsykO99ohBTLI6wKaS+83QbHbX8ybQAIc1z2sokSx0WTTTZhmHWof xUTd0+6p37ueCu1G1RYaCcA7fhOt3rebUccHyGI0jdjuaOKmoxTgQ/67dqbXbpIr fkeouwV1RLU5e0SISDXD6saBqBeZVH3vsN9RiSEOO8glmFmWHLTXLSYFkFDkBMbv kq4vsHGwL5yxGzBa56BYWBl/BLzPtRV6ZqaO3IrhJUVh/i7zRQj9LvXeZHLiA2GF H4amxQie778+2MQ/DwU2yYfxToHNYYYJNp2SETuDwk3mc/LK2vh+wr/C3c3WasOe 0P0F8c2fv138ecctDoKVXe54qYmhZ7zs0VSUgs3mIBxERkevA0kfN+JuWCf8U/6E IOfAI3YC7hQZ6zru6i1u =Qf+W -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org