At some point we were hoping to handle plugins installation via JCasC and 
someone (Oleg Nenashev was that you?) was implementing automatic restarts 
for when plugins versions were updated in jenkins.yaml - I am now wondering 
if that can be the reason...

On Wednesday, February 20, 2019 at 1:52:26 PM UTC+1, Ewelina Wilkosz wrote:
>
> (Logs in the attachment)
>
> I had a Jenkins mastered configured with Jenkins Configuration as Code 
> plugin. 
>
> Jenkins version: 2.138.?
> JCasC version: 1.3
> and number of plugins requiring upgrade
>
> I've updated JCasC to 1.5, Jenkins to latest lts (2.150.?) in a basic 
> docker image, and in the file with plugins all the version numbers got 
> replaced with "latest"
>
> I tried to rebuild image and start a container using docker compose
>
> It started well, but when configuring Active Directory it failed:
>
> (line 1023) SEVERE: Failed ConfigurationAsCode.init 
>
> but instead of simply failing it restarted Jenkins:
>
> (line 1131) jenkins_1  | INFO: Jenkins stopped
> (line 1132) jenkins_1  | Feb 20, 2019 12:15:24 PM jenkins.model.Jenkins$22 
> run
> (line 1133) jenkins_1  | INFO: Restarting VM as requested by SYSTEM
>
> when the restart was happening I updated configuration file and removed 
> the Active Directory section so there was no exceptions next time but the 
> restart happened again
>
> (starting from line 2380)
> jenkins_1  | Feb 20, 2019 12:22:06 PM hudson.WebAppMain$3 run
> jenkins_1  | INFO: Jenkins is fully up and running
> jenkins_1  | Feb 20, 2019 12:22:08 PM jenkins.model.Jenkins$22 run
> jenkins_1  | INFO: Restarting VM as requested by SYSTEM
> jenkins_1  | Feb 20, 2019 12:22:08 PM jenkins.model.Jenkins cleanUp
> jenkins_1  | INFO: Stopping Jenkins
> jenkins_1  | Feb 20, 2019 12:22:08 PM jenkins.model.Jenkins$18 onAttained
> jenkins_1  | INFO: Started termination
> [...]
>
> And it keeps restarting.
> I've seen same issue before when updating plugins when JCasC was used - 
> both via UI or plugins.txt, but not EVERY time
>
> this is a serious instability issue with JCasC 
>
> anyone experienced something like that?
>
> HELP!
>
> BR
> Ewelina
>

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