RE: Detect shutdown when in common/global classpath?
Mark wrote: > On 30/11/2015 15:51, jimi.hulleg...@svensktnaringsliv.se wrote: > > Hi, > > > > When running code in a webapp, I know it is possible to detect an undeploy > > of the webapp, or shutdown of Tomcat, using a ServletContextListener. But > > how about code running outside the webapp? > > > > The background for this is that we have written a plugin to a CMS, and this > > plugin exists in the common/global classpath. The CMS calls the plugin on > > certain occasions, triggered by some custom scheduling logic, and if we are > > unlucky our plugin gets called during a shutdown of Tomcat giving us > > strange errors that result in an unnecessary error report email being > > sent. So what I would like to do is to add some check in our plugin, to > > avoid doing anything if Tomcat is in the process of shutting down. But is > > this possible, without some ugly hack? > > Use a LifecycleListener that notifies your plug-in when Tomcat is shutting > down. See org.apache.catalina.startup.VersionLoggerListener for an example. Thanks Mark, that was exactly what I was looking for! /Jimi - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Detect shutdown when in common/global classpath?
On 30/11/2015 15:51, jimi.hulleg...@svensktnaringsliv.se wrote: > Hi, > > When running code in a webapp, I know it is possible to detect an undeploy of > the webapp, or shutdown of Tomcat, using a ServletContextListener. But how > about code running outside the webapp? > > The background for this is that we have written a plugin to a CMS, and this > plugin exists in the common/global classpath. The CMS calls the plugin on > certain occasions, triggered by some custom scheduling logic, and if we are > unlucky our plugin gets called during a shutdown of Tomcat giving us strange > errors that result in an unnecessary error report email being sent. So what I > would like to do is to add some check in our plugin, to avoid doing anything > if Tomcat is in the process of shutting down. But is this possible, without > some ugly hack? Use a LifecycleListener that notifies your plug-in when Tomcat is shutting down. See org.apache.catalina.startup.VersionLoggerListener for an example. Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
