Older versions of Jenkins used the exact name of the file you were uploading in
Plugin Manager ยป Advanced (JENKINS-4543). So if you were e.g. experimenting a
bit with different versions of that plugin, all from your Downloads folder
(where that's the duplicate naming strategy), this got mirrored
Hi - I was just restarting jenkins (running under tomcat) and was
tailing catalina.out. I noticed this entry
INFO: Ignoring /usr/local/jenkins/plugins/copyartifact(1).jpi
because /usr/local/jenkins/plugins/copyartifact.jpi is already loaded
INFO: Ignoring /usr/local/jenkins/plugins/copyartifact
