I've installed native *Jenkins 2.263.3* (latest stable Debian package ) and
Java openJDK 8. The installation was successful.
However, once the installation came to the step "Customize Jenkins" and
there were options to either choose *Install suggested plugins* or *Select
plugins to install*. Both give the same result.
Jenkins UI will freeze for about a couple of seconds and then the error
page shows as pictured below.
[image: image.png]
I tried restarting, re-install (same version) unfortunately, it doesn't
change.
The error messages in /var/log/jenkins/jenkins.log
Running from: /usr/share/jenkins/jenkins.war
2021-02-04 09:28:14.105+0000 [id=1] WARNING
o.e.j.s.handler.ContextHandler#setContextPath: Empty contextPath
2021-02-04 09:33:05.096+0000 [id=16] WARNING
h.i.i.InstallUncaughtExceptionHandler#handleException
java.util.concurrent.TimeoutException: Idle timeout expired: 5000/5000 ms
Caused: java.io.IOException
at
org.eclipse.jetty.util.SharedBlockingCallback$Blocker.block(SharedBlockingCallback.java:234)
And here is an information of my system
Ubuntu 20.04.2 LTS
5.4.0-65-generic
$ free -mh
total used free shared buff/cache available
Mem: 6.6Gi 1.0Gi 3.8Gi 1.0Mi 1.9Gi 5.3Gi
Swap: 0B 0B 0B
Java
openjdk version "1.8.0_275"
OpenJDK Runtime Environment (build 1.8.0_275-8u275-b01-0ubuntu1~20.04-b01)
OpenJDK 64-Bit Server VM (build 25.275-b01, mixed mode)
Jenkins
● jenkins.service - LSB: Start Jenkins at boot time
Loaded: loaded (/etc/init.d/jenkins; generated)
Active: active (exited) since Thu 2021-02-04 12:18:28 CET; 10min ago
Docs: man:systemd-sysv-generator(8)
Process: 15678 ExecStart=/etc/init.d/jenkins start (code=exited,
status=0/SUCCESS)
Feb 04 12:18:27 jenkins-master.com systemd[1]: Starting LSB: Start
Jenkins at boot time...
Feb 04 12:18:27 jenkins-master.com jenkins[15678]: Correct java version found
Feb 04 12:18:27 jenkins-master.com jenkins[15678]: * Starting Jenkins
Automation Server jenkins
Feb 04 12:18:27 jenkins-master.com su[15713]: (to jenkins) root on none
Feb 04 12:18:27 jenkins-master.com su[15713]: pam_unix(su-l:session):
session opened for user jenkins by (uid=0)
Feb 04 12:18:27 jenkins-master.com su[15713]: pam_unix(su-l:session):
session closed for user jenkins
Feb 04 12:18:28 jenkins-master.com jenkins[15678]: ...done.
Feb 04 12:18:28 jenkins-master.com systemd[1]: Started LSB: Start
Jenkins at boot time.
Jenkins User
$ groups jenkins
jenkins : jenkins root
Has anyone faced the same issue ?
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