-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 André,
On 10/25/13, 7:18 AM, André Warnier wrote: > For example, a utility such as logrotate, in the sysadmin world, is > like a gift of God. Most server-like programs allow logrotate to > rotate their logfiles, compress old ones, remove even older ones, > etc. to keep things running smoothly over time. It's a simple > thing, but it saves many hours that would otherwise have to be > dedicated to monitoring and reacting to such repetitive > occurrences. > > Tomcat, at this moment, does not really allow that. It does, but it's not terribly obvious how to do it. Here are some ways to do it: 1. Modify catalina.sh to pipe | instead of redirect > 2. Use "catalina.sh start | chronolog" or whatever 3. Configure logrotate to copy-and-truncate 4. Set CATALINA_OUT=/dev/null before launching 5. Set up a named pipe and set CATALINA_OUT to it before launching (Plus have another process drain that pipe) > That is because there is no simple mechanism to tell Tomcat to > relinquish control of its current logfiles for a moment, short of > stopping Tomcat completely and restarting it (which interrupts the > service, sometimes for a significant amount of time). What happens in httpd if I write a module that writes to stdout instead of the proper httpd-provided logging mechanisms? > So my request is simple (at least to express) : can someone among > the Tomcat luminaries not imagine a mechanism by which Tomcat > would, on request from an external program or script, do something > like the Apache httpd does during a "soft reload" : wait for the > current requests to terminate, close all logfiles and re-open them > ? For example : there already exist a "shutdown port", and a bunch > of "Listeners". Could there not be a "logs rotate port" or a > "logrotate listener" ? It seems like this could be done via the manager webapp. > I am not underestimating the possible difficulty of the task, and > probably tackling such an issue is ultimately less rewarding for a > developer than implementing the latest in webapp or HTTP > technology. > > But many sysadmins worldwide would be grateful if this came to pass > and I am sure that it would do a great deal to increase the > popularity of Tomcat among them. Honestly, the only time this is really a problem is when catalina.out is filling-up with junk, right? It's always awkward when that happens. - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCAAGBQJSarrOAAoJEBzwKT+lPKRYvm0QAJUo2B+jCjZhRVttEgIHrTcU BfPwRChIfExcfxPN5dSHU+0036tkle+TT7IUgIqbqnB2xSVNaZ4gChCyA+n6O54V eAMQqgYxTDdCggJbd3MFAfdTvbApQWYjbRRn44iyHufEaxiLjTDohkzdjNTzErIf g6CwoEs9ZS+DaRFR6Q1vxBg+QlcJOaruFNaRtJ+td/8yHSFDu+0w/EkBug9woewi GxcjaqiS0yujRC935oIbeCWI2sPswQHSTYA5Y2NY5rXtU2BCqAho5LRh+G0I8w7j dv/KPXfxHQDRw8R1xrE1D9y94tpNM7aHr/+xiVYQ/jBg2AE+hxT8FNi7LyP4Wcpr 7TXEdxFJMaKTujELTpP6SdZKmf/ic8EKeGSUaOFmebrlsB7MYzS0XFp87oKQsz4V +TXrvEKgx86xSTbWfJ9zq8fWrsq0HbIXOTVyItEVF8LZ1o15JBydwTm17d0XaQip dy+hG7t9NZorjL3hbRe0AOBZx//+E0VtrBfglFnbrWIyVMyot0nxhN0AzSo+HEtf stqUXTzOeJWhYzq3863rhZDxfA/p39u3qpjQs+V8gr+wW32i2Ya8CwJRfuLC4oeG FzkV8cbmS0yfp5WK1PktfX/ILw2uZVwpnHSZwFxkJ2DOginD7LRDh7MeogH4HBux YA+NtGl65CkNimI8Mpj/ =X+tw -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
