Please provide the full stack trace

May 28, 2015 2:11:49 PM winstone.Logger logInternal
INFO: JVM is terminating. Shutting down Winstone
1432836709212 ### Your implementation of PircBotX is faulty and you have
1432836709212 ### allowed an uncaught Exception or Error to propagate in your
1432836709212 ### code. It may be possible for PircBotX to continue operating
1432836709212 ### normally. Here is the stack trace that was produced: -
1432836709212 ###
1432836709212 ### java.lang.UnsupportedOperationException: The method shutdownInput() is not supported in SSLSocket
1432836709212 ### at sun.security.ssl.BaseSSLSocketImpl.shutdownInput(BaseSSLSocketImpl.java:199)
1432836709212 ### at org.pircbotx.PircBotX.shutdown(PircBotX.java:2855)
1432836709212 ### at org.pircbotx.PircBotX$4.run(PircBotX.java:2817)
1432836709212 >>>QUIT :
1432836709213 *** Disconnected.
1432836709219 <<<ERROR :Closing link: (REMOVED_FROM_COMMENT) [Quit: ]
1432836709219 ### Your implementation of PircBotX is faulty and you have
1432836709219 ### allowed an uncaught Exception or Error to propagate in your
1432836709219 ### code. It may be possible for PircBotX to continue operating
1432836709219 ### normally. Here is the stack trace that was produced: -
1432836709219 ###
1432836709219 ### java.lang.UnsupportedOperationException: The method shutdownInput() is not supported in SSLSocket
1432836709219 ### at sun.security.ssl.BaseSSLSocketImpl.shutdownInput(BaseSSLSocketImpl.java:199)
1432836709219 ### at org.pircbotx.PircBotX.shutdown(PircBotX.java:2855)
1432836709219 ### at org.pircbotx.PircBotX.handleLine(PircBotX.java:1679)
1432836709219 ### at org.pircbotx.InputThread.run(InputThread.java:100)
1432836709219 *** Disconnected.
1432836710243 ### Your implementation of PircBotX is faulty and you have
1432836710243 ### allowed an uncaught Exception or Error to propagate in your
1432836710243 ### code. It may be possible for PircBotX to continue operating
1432836710243 ### normally. Here is the stack trace that was produced: -
1432836710243 ###
1432836710243 ### java.lang.UnsupportedOperationException: The method shutdownInput() is not supported in SSLSocket
1432836710243 ### at sun.security.ssl.BaseSSLSocketImpl.shutdownInput(BaseSSLSocketImpl.java:199)
1432836710243 ### at org.pircbotx.PircBotX.shutdown(PircBotX.java:2855)
1432836710243 ### at hudson.plugins.ircbot.v2.IRCConnection.close(IRCConnection.java:102)
1432836710243 ### at hudson.plugins.im.IMConnectionProvider.releaseConnection(IMConnectionProvider.java:86)
1432836710243 ### at hudson.plugins.im.IMPlugin.stop(IMPlugin.java:20)
1432836710243 ### at hudson.plugins.ircbot.PluginImpl.stop(PluginImpl.java:35)
1432836710243 ### at hudson.PluginWrapper.stop(PluginWrapper.java:375)
1432836710243 ### at hudson.PluginManager.stop(PluginManager.java:738)
1432836710243 ### at jenkins.model.Jenkins.cleanUp(Jenkins.java:2796)
1432836710243 ### at hudson.WebAppMain.contextDestroyed(WebAppMain.java:397)
1432836710243 ### at org.eclipse.jetty.server.handler.ContextHandler.doStop(ContextHandler.java:823)
1432836710243 ### at org.eclipse.jetty.servlet.ServletContextHandler.doStop(ServletContextHandler.java:160)
1432836710243 ### at org.eclipse.jetty.webapp.WebAppContext.doStop(WebAppContext.java:518)
1432836710243 ### at org.eclipse.jetty.util.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:89)
1432836710243 ### at org.eclipse.jetty.server.handler.HandlerWrapper.doStop(HandlerWrapper.java:107)
1432836710243 ### at org.eclipse.jetty.server.handler.RequestLogHandler.doStop(RequestLogHandler.java:176)
1432836710243 ### at org.eclipse.jetty.util.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:89)
1432836710243 ### at org.eclipse.jetty.server.handler.HandlerWrapper.doStop(HandlerWrapper.java:107)
1432836710243 ### at org.eclipse.jetty.server.Server.doStop(Server.java:343)
1432836710243 ### at org.eclipse.jetty.util.component.AbstractLifeCycle.stop(AbstractLifeCycle.java:89)
1432836710243 ### at winstone.Launcher.shutdown(Launcher.java:307)
1432836710243 ### at winstone.ShutdownHook.run(ShutdownHook.java:25)
1432836710243 *** Disconnected.

Yes, that looks like a bug in the IRC plugin, but I fail to see how the plugin caused Jenkins to shut down.
The order in the log file is, that there's an info that the JVM is shutting down ('INFO: JVM is terminating. Shutting down Winstone') and only after that the irc plugin logs an exception.

Do you have additional logs which show how the irc plugin causes the Jenkins shutdown and/or do you have instructions on how to reproduce the issue?

Seems like this is a bug in PircBotX 1.9 which was fixed in 2.0 (see changelog: https://code.google.com/p/pircbotx/wiki/ChangeLog)

You might want to try the unreleased version of the IRC plugin which already uses PircBotx 2.0
https://dl.dropboxusercontent.com/u/25863594/ircbot.hpi

Thanks! The newer plugin seems to be working nicely. Sorry to drift off topic, but is there any way to customize the summary message? For example, I'd like

Project This is a test #22: SUCCESS in 2.6 sec: http://jenkins.example.com:8080/job/This%20is%a%20/test/22/

To simply be:

Project This is a test #22: SUCCESS in 2.6 sec

You can configure different notification styles (normal, short, ...) as far as I remember. On top of that there is currently no possibility to configure it.

Can you confirm, that it was really the IRC plugin which lead to Jenkins shutdown?

sure thing.. just want to let this version burn in for a bit.