-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Chris,
On 4/17/15 5:33 AM, Christoph Prybila wrote: > > > Am 17.04.2015 um 07:45 schrieb Christopher Schultz: Chris, > > On 4/16/15 9:59 AM, Christoph Prybila wrote: >>>> Tomcat: 7.0.59 OS: Win7 Professional SP1 Java: >>>> 1.7.0_67 >>>> >>>> I want to create a cluster and I need to use static >>>> membership. But the number of nodes in my cluster is not >>>> static. >>>> >>>> Is it possible to add members to such a static membership >>>> cluster without restarting the other already running tomcat >>>> instances? >>>> >>>> I figured that in order to add a new member I would need to >>>> specify it in the StaticMembershipInterceptor of all the >>>> other nodes. But editing the server.xml of a running tomcat >>>> instance had no effect. > Tomcat will not auto-reload server.xml; there are just too many > moving parts to reload it quickly, so you have to bounce the whole > server. > > Oddly enough, I was just talking to someone yesterday about how > static membership ought to be updatable via at least JMX. I'm not > sure, but it's possible that static membership is /already > updatable via JMX. > > Are you comfortable connecting to a local Tomcat using jconsole or > VisualVM and browsing around the "Catalina" tree? I don't have a > clustered setup handy to inspect myself to see if it's already > possible. > > If it's /not/ currently possible, it really should be. > > -chris >> >> --------------------------------------------------------------------- >> >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> > I already tried to configure the cluster via jmx. > > After connecting to a tomcat instance, there was indeed a > "Cluster" object in the tree but I was not able to add/remove > existing members there. > > This cluster object contains a group called "Member" where all > members of the cluster are listed. Therefore I was able to query > information about the members. Unfortunately the member objects do > not offer any operations at all. I do not have much experience with > jmx but I think that means that the member-entries are read-only > and it is currently not possible to configure the membership via > jmx. > > The cluster object itself offers the operations "start", "stop", > "setProperty" and "send" which as far as I understood also do not > give any possibility to add new members. Agreed. Could you file an enhancement request in Bugzilla? Thanks! - -chris -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: GPGTools - http://gpgtools.org iQIcBAEBCAAGBQJVMQBsAAoJEBzwKT+lPKRYPYgP/A0wrm3zsAt3F9ZAb9+49L0d OELtNDCNfn0iy1uXSEdmke0amOSUKF8FrO7QFdf2BhFtU9IQDxQBX/a/+1oeMMCA 7SMtsNP99yGcl0IropbPpHIrDTP+VJ8dhzva+MEBerPO2glcyns6FvrqW595w/7u 67TdJ+NDrfKj6J9yg1A2xCX96T7ugMgQM1sLxbevXL2CcXQENaLzaZ3WXbKX2cJ1 R03iHq2+zaBjp9fX6sSLlF7khAZ+XMWpgkTRDQiGXb150XKgwmjFkdMsgFz97RPX BQi2tGt6kpagBMsT7J7cpIk8wgJsgnQlZQhIkdwXis4r2QDm1O0UEcjDNzoUFL73 GIDK1K9tcxhMm23bo793KXk5u+qWMKlvmrnJ5K1vL/tMskQ+kAqaD/v6n2vVCAd9 AJCMEY0CoADcVx3v1nSVqH4w+8e0b3wtDehx9wTwgSICWfTkAmu1s41eVB8NELDZ kuokk8Y0t4H3vowCHpnEO7GpXhssBNWNBG+AkM1/i0caOE6ckFH0L8A0nXdxIErM IZ4iyrJVQooHaNmaCoU6ZurOnVb66uEYmPJnCBZcWRtaqfMdvEc4VJAK6sTcnVIA 8t7U9q54cITEXu8MuRCtkrubLjDbueBzMmocsWbE2wsg/ocEbqkaOqgV8Ozk4qZx Npb+77NpR7HtUujPorfC =kD2C -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org