That matches my experience. Jenkins is built out of a spiderweb of plugins and that makes it very fragile. Though, I did find I could mitigate the problem. * o

That matches my experience. Jenkins is built out of a spiderweb of plugins and that makes it very fragile. Though, I did find I could mitigate the problem. * only use Jenkins stable releases * snapshot the system before updating or installing anything * make regular backups of your Jenkins server * never install a plugin unless it's actually neccessary * always update Jenkins before installing any new plugins as otherwise you may end up with an untested mishmash of old and new plugins I like having control over my CI, but it does seem a lot harder than it should be.