On 17/05/2010 16:56, peter_f...@blm.gov wrote: > > I'm a bit confused about what the deployOnStartup setting is supposed to > do, especially when it's set to "false".
It controls if apps are deployed when Tomcat starts. > The basic question is, what is the purpose of this setting? It would appear > that if you set it to "false", then applications can only be started by > being hot-deployed, which seems rather odd but I suppose might be useful in > a development environment. By experiment I found that setting > autoDeploy=true and deployOnStartup=false, existing webapps are still > started but not until after Tomcat has already started (that is, the > applications get deployed a few seconds after Tomcat has started and is > listening, rather than during the usual startup sequence). That will be hot-deployment kicking in ~15 secs after Tomat starts. > I also found > that setting autoDeploy=false and deployOnStartup=false, no applications > will start (which is actually what I'd expect, even though it's pointless). Not pointless. It limits deployed apps to *only* those defined in server.xml. > My guess would be that in a production setting you'd want > autoDeploy=false/deployOnStartup=true. That is usually what I see. > There's a couple of places in documentation (online, and also in the > O'Reilly book) where it says you shouldn't have hot-deployment AND > deployOnStart enabled because it can result in applications being deployed > twice - and yet the default is that autoDeploy and deployOnStartup are both > true, which seems to contradict that, and in any case I've never seen this > happen. I'm plainly misunderstanding how these settings are supposed to > work. Perhaps someone here can clarify? That is plain wrong. autoDeployment /deployOnStartup do play a role in double-deployment but only when your configuration is wrong to start with. Mark --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
