I'm a jee newbie so I may misunderstand some java concepts independent on jenkins itself.

I've got an access to a ubuntu-like server where jenkins was installed through sugo apt-get (someone else installed it). I've got a web access to the application. I want to find out how is it deployed and where - a tomcat (as a servlet container), an application server or nothing at all?

user@server:$ ps aux | grep jenkins
1001      1801  0.0  0.0   5628   836 pts/8    R+   10:58   0:00 grep --color=auto jenkins
jenkins  13758  0.1 11.0 1355676 456860 ?      Ssl  Feb05   1:26 /usr/bin/java -jar /usr/share/jenkins/jenkins.war --webroot=/var/run/jenkins/war --httpPort=8080 --ajp13Port=-1 --preferredClassLoader=java.net.URLClassLoader --logfile=/var/log/jenkins/jenkins.log

There is a .war file so there should be some kind of a servlet container, but I don't have tomcat installed.

user@server:$ dpkg -L jenkins
  • Typically it is /var/lib/jenkins
  • dpkg -L jenkins will help you find what files does a package install
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  • So you mean that jenkins has its own servlet container? – tkoomzaaskz Feb 6 '13 at 11:14
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    Yep. If 8080 is your local Jenkins port, try accessing some non-existing address, e.g. localhost:8080/asdfasdf and then you can see some information. I see Winstone Servlet Engine v0.9.10 – GrzegorzOledzki Feb 6 '13 at 12:48

By default, Jenkins is installed with the Winstone Servlet Container. It's a light-weight servlet container, not fully supporting some APIs (read more at wikipedia)

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