Hi Jenkins team,

I tried to do a Jenkins update and failed. from what I notice it is a problem of compatibility with the java software virtual machine.

Old version on the system was this:

Jenkins 2.265

systemctl status jenkins

• jenkins.service - LSB: Start Jenkins at boot time
  Loaded: loaded (/etc/init.d/jenkins; generated)
  Active: failed (Result: exit-code) since Sat 2020-11-14 11:59:53 CET; 7min ago
  Docs: man:systemd-sysv-generator(8)
  Process: 102021 ExecStart=/etc/init.d/jenkins start (code=exited, status=1/FAILURE)
  Tasks: 237 (limit: 19660)
  CGroup: /system.slice/jenkins.service

  -2185 /usr/bin/daemon --name=jenkins --inherit --env=JENKINS_HOME=/nfs/disks/jenk `-2187 /usr/bin/java -Djava.awt.headless=true -jar /usr/share/jenkins/jenkins.war --webroot=/var/cache/je

Nov 14 11:59:53 my-pc systemd[1]: Starting LSB: Start Jenkins at boot time...
Nov 14 11:59:53 my-pc jenkins[102021]: Found an incorrect Java version
Nov 14 11:59:53 my-pc jenkins[102021]: Java version found:
Nov 14 11:59:53 my-pc jenkins[102021]: openjdk version "11.0.9.1" 2020-11-04
Nov 14 11:59:53 my-pc jenkins[102021]: OpenJDK Runtime Environment (build 11.0.9.1+1-Ubuntu-0ubuntu1
Nov 14 11:59:53 my-pc jenkins[102021]: OpenJDK 64-Bit Server VM (build 11.0.9.1+1-Ubuntu-0ubuntu1.18
Nov 14 11:59:53 my-pc jenkins[102021]: Aborting
Nov 14 11:59:53 my-pc systemd[1]: jenkins.service: Control process exited, code=exited status=1
Nov 14 11:59:53 my-pc systemd[1]: jenkins.service: Failed with result 'exit-code'.
Nov 14 11:59:53 my-pc systemd[1]: Failed to start LSB: Start Jenkins at boot time.

journalctl -b --no-pager

Nov 14 11:59:53 my-pc systemd[1]: jenkins.service: Found left-over process 2185 (daemon) in control group while starting unit. Ignoring.
Nov 14 11:59:53 my-pc systemd[1]: This usually indicates unclean termination of a previous run, or service implementation deficiencies.
Nov 14 11:59:53 my-pc systemd[1]: jenkins.service: Found left-over process 2187 (java) in control group while starting unit. Ignoring.
Nov 14 11:59:53 my-pc systemd[1]: This usually indicates unclean termination of a previous run, or service implementation deficiencies.
Nov 14 11:59:53 my-pc systemd[1]: Starting LSB: Start Jenkins at boot time...
Nov 14 11:59:53 my-pc jenkins[102021]: Found an incorrect Java version
Nov 14 11:59:53 my-pc jenkins[102021]: Java version found:
Nov 14 11:59:53 my-pc jenkins[102021]: openjdk version "11.0.9.1" 2020-11-04
Nov 14 11:59:53 my-pc jenkins[102021]: OpenJDK Runtime Environment (build 11.0.9.1+1-Ubuntu-0ubuntu1.18.04)
Nov 14 11:59:53 my-pc jenkins[102021]: OpenJDK 64-Bit Server VM (build 11.0.9.1+1-Ubuntu-0ubuntu1.18.04, mixed mode, sharing)
Nov 14 11:59:53 my-pc jenkins[102021]: Aborting
Nov 14 11:59:53 my-pc systemd[1]: jenkins.service: Control process exited, code=exited status=1
Nov 14 11:59:53 my-pc systemd[1]: jenkins.service: Failed with result 'exit-code'.
Nov 14 11:59:53 my-pc systemd[1]: Failed to start LSB: Start Jenkins at boot time.

apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up jenkins (2.266) ...
Job for jenkins.service failed because the control process exited with error code.
See "systemctl status jenkins.service" and "journalctl -xe" for details.
invoke-rc.d: initscript jenkins, action "start" failed.

• jenkins.service - LSB: Start Jenkins at boot time
  Loaded: loaded (/etc/init.d/jenkins; generated)
  Active: failed (Result: exit-code) since Sat 2020-11-14 12:11:56 CET; 9ms ago
  Docs: man:systemd-sysv-generator(8)
  Process: 102486 ExecStart=/etc/init.d/jenkins start (code=exited, status=1/FAILURE)
  Tasks: 235 (limit: 19660)
  CGroup: /system.slice/jenkins.service

  -2185 /usr/bin/daemon --name=jenkins --inherit --env=JENKINS_HOME=/nfs/disks/jenkins_home_cvtester --output=/var/log/jenkins/jenkins.log --pidfile=/var/run/jenkins/jenkins.pid – /usr/bin/java -Djava.awt.headless=true -jar /usr/share/jenkins/jenkins.war --webroot=/var/cache/jenkins/war --httpPort=8080 --sessionTimeout=620 --sessionEviction=43200 `-2187 /usr/bin/java -Djava.awt.headless=true -jar /usr/share/jenkins/jenkins.war --webroot=/var/cache/jenkins/war --httpPort=8080 --sessionTimeout=620 --sessionEviction=43200

Nov 14 12:11:56 my-pc systemd[1]: Starting LSB: Start Jenkins at boot time...
Nov 14 12:11:56 my-pc jenkins[102486]: Found an incorrect Java version
Nov 14 12:11:56 my-pc jenkins[102486]: Java version found:
Nov 14 12:11:56 my-pc jenkins[102486]: openjdk version "11.0.9.1" 2020-11-04
Nov 14 12:11:56 my-pc jenkins[102486]: OpenJDK Runtime Environment (build 11.0.9.1+1-Ubuntu-0ubuntu1.18.04)
Nov 14 12:11:56 my-pc jenkins[102486]: OpenJDK 64-Bit Server VM (build 11.0.9.1+1-Ubuntu-0ubuntu1.18.04, mixed mode, sharing)
Nov 14 12:11:56 my-pc jenkins[102486]: Aborting
Nov 14 12:11:56 my-pc systemd[1]: jenkins.service: Control process exited, code=exited status=1
Nov 14 12:11:56 my-pc systemd[1]: jenkins.service: Failed with result 'exit-code'.
Nov 14 12:11:56 my-pc systemd[1]: Failed to start LSB: Start Jenkins at boot time.
dpkg: error processing package jenkins (--configure):
installed jenkins package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
jenkins
E: Sub-process /usr/bin/dpkg returned an error code (1)

This problem affects me a lot.

Thanks.