I have installed OpenJDK-11-JRE
root@admincp:~# java -version
openjdk version "11.0.15" 2022-04-19
OpenJDK Runtime Environment (build 11.0.15+10-Ubuntu-0ubuntu0.20.04.1)
OpenJDK 64-Bit Server VM (build 11.0.15+10-Ubuntu-0ubuntu0.20.04.1, mixed mode, sharing)
The following error occurred in installing Jenkins
root@admincp:~# apt install -y jenkins
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
liblockfile-bin liblockfile1 lockfile-progs sendmail-base sensible-mda
Use 'apt autoremove' to remove them.
The following NEW packages will be installed:
jenkins
0 upgraded, 1 newly installed, 0 to remove and 107 not upgraded.
Need to get 0 B/91.4 MB of archives.
After this operation, 95.0 MB of additional disk space will be used.
Selecting previously unselected package jenkins.
(Reading database ... 290346 files and directories currently installed.)
Preparing to unpack .../jenkins_2.332.3_all.deb ...
Unpacking jenkins (2.332.3) ...
Setting up jenkins (2.332.3) ...
Created symlink /etc/systemd/system/multi-user.target.wants/jenkins.service → /lib/systemd/system/jenkins.service.
Job for jenkins.service failed because a timeout was exceeded.
See "systemctl status jenkins.service" and "journalctl -xe" for details.
invoke-rc.d: initscript jenkins, action "start" failed.
● jenkins.service - Jenkins Continuous Integration Server
Loaded: loaded (/lib/systemd/system/jenkins.service; enabled; vendor preset: enabled)
Active: activating (auto-restart) (Result: timeout) since Tue 2022-05-17 15:31:19 CST; 9ms ago
Process: 105107 ExecStart=/usr/bin/jenkins (code=exited, status=143)
Main PID: 105107 (code=exited, status=143)
Status: "Jenkins stopped"
dpkg: error processing package jenkins (--configure):
installed jenkins package post-installation script subprocess returned error exit status 1
Processing triggers for systemd (245.4-4ubuntu3.15) ...
Errors were encountered while processing:
jenkins
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@admincp:~# systemctl status jenkins.service
● jenkins.service - Jenkins Continuous Integration Server
Loaded: loaded (/lib/systemd/system/jenkins.service; enabled; vendor preset: enabled)
Active: activating (start) since Tue 2022-05-17 15:32:50 CST; 25s ago
Main PID: 106321 (java)
Tasks: 119 (limit: 76486)
Memory: 355.7M
CGroup: /system.slice/jenkins.service
└─106321 /usr/bin/java -Djava.awt.headless=true -jar /usr/share/java/jenkins.war --webroot=/var/cache/jenkins/war --httpPort=8080
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: Jenkins initial setup is required. An admin user has been created and a password generated.
5月 17 15:32:53 admincp jenkins[106321]: Please use the following password to proceed to installation:
5月 17 15:32:53 admincp jenkins[106321]: b6c6ff7cfcbb498293d4646b732cd51a
5月 17 15:32:53 admincp jenkins[106321]: This may also be found at: /var/lib/jenkins/secrets/initialAdminPassword
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
root@admincp:~# journalctl -xe
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- A start job for unit jenkins.service has begun execution.
--
-- The job identifier is 24920.
5月 17 15:32:50 admincp jenkins[106321]: Running from: /usr/share/java/jenkins.war
5月 17 15:32:50 admincp jenkins[106321]: 2022-05-17 07:32:50.838+0000 [id=1] INFO org.eclipse.jetty.util.log.Log#initialized: Logging initialized @315ms to org.eclipse.jetty.util.log.JavaUtilLog
5月 17 15:32:50 admincp jenkins[106321]: 2022-05-17 07:32:50.907+0000 [id=1] INFO winstone.Logger#logInternal: Beginning extraction from war file
5月 17 15:32:50 admincp jenkins[106321]: 2022-05-17 07:32:50.927+0000 [id=1] WARNING o.e.j.s.handler.ContextHandler#setContextPath: Empty contextPath
5月 17 15:32:50 admincp jenkins[106321]: 2022-05-17 07:32:50.980+0000 [id=1] INFO org.eclipse.jetty.server.Server#doStart: jetty-9.4.43.v20210629; built: 2021-06-30T11:07:22.254Z; git: 526006ecfa3af7f1a27ef3a288e2bef7ea9dd7>
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.233+0000 [id=1] INFO o.e.j.w.StandardDescriptorProcessor#visitServlet: NO JSP Support for /, did not find org.eclipse.jetty.jsp.JettyJspServlet
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.265+0000 [id=1] INFO o.e.j.s.s.DefaultSessionIdManager#doStart: DefaultSessionIdManager workerName=node0
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.265+0000 [id=1] INFO o.e.j.s.s.DefaultSessionIdManager#doStart: No SessionScavenger set, using defaults
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.266+0000 [id=1] INFO o.e.j.server.session.HouseKeeper#startScavenging: node0 Scavenging every 660000ms
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.616+0000 [id=1] INFO hudson.WebAppMain#contextInitialized: Jenkins home directory: /var/lib/jenkins found at: EnvVars.masterEnvVars.get("JENKINS_HOME")
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.770+0000 [id=1] INFO o.e.j.s.handler.ContextHandler#doStart: Started w.@2b62442c{Jenkins v2.332.3,/,file:///var/cache/jenkins/war/,AVAILABLE}{/var/cache/jenkins/w>
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.789+0000 [id=1] INFO o.e.j.server.AbstractConnector#doStart: Started ServerConnector@75881071{HTTP/1.1, (http/1.1)}{0.0.0.0:8080}
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.789+0000 [id=1] INFO org.eclipse.jetty.server.Server#doStart: Started @1267ms
5月 17 15:32:51 admincp jenkins[106321]: 2022-05-17 07:32:51.790+0000 [id=40] INFO winstone.Logger#logInternal: Winstone Servlet Engine running: controlPort=disabled
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.033+0000 [id=47] INFO jenkins.InitReactorRunner$1#onAttained: Started initialization
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.039+0000 [id=68] INFO jenkins.InitReactorRunner$1#onAttained: Listed all plugins
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.708+0000 [id=76] INFO jenkins.InitReactorRunner$1#onAttained: Prepared all plugins
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.716+0000 [id=85] INFO jenkins.InitReactorRunner$1#onAttained: Started all plugins
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.723+0000 [id=93] INFO jenkins.InitReactorRunner$1#onAttained: Augmented all extensions
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.902+0000 [id=56] INFO jenkins.InitReactorRunner$1#onAttained: System config loaded
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.903+0000 [id=56] INFO jenkins.InitReactorRunner$1#onAttained: System config adapted
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.904+0000 [id=56] INFO jenkins.InitReactorRunner$1#onAttained: Loaded all jobs
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.906+0000 [id=70] INFO jenkins.InitReactorRunner$1#onAttained: Configuration for all jobs updated
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.923+0000 [id=106] INFO hudson.model.AsyncPeriodicWork#lambda$doRun$1: Started Download metadata
5月 17 15:32:52 admincp jenkins[106321]: 2022-05-17 07:32:52.929+0000 [id=106] INFO hudson.util.Retrier#start: Attempt #1 to do the action check updates server
5月 17 15:32:52 admincp jenkins[106321]: WARNING: An illegal reflective access operation has occurred
5月 17 15:32:52 admincp jenkins[106321]: WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (file:/var/cache/jenkins/war/WEB-INF/lib/groovy-all-2.4.21.jar) to method java.lang.Object.finalize()
5月 17 15:32:52 admincp jenkins[106321]: WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass
5月 17 15:32:52 admincp jenkins[106321]: WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
5月 17 15:32:52 admincp jenkins[106321]: WARNING: All illegal access operations will be denied in a future release
5月 17 15:32:53 admincp jenkins[106321]: 2022-05-17 07:32:53.010+0000 [id=83] INFO jenkins.install.SetupWizard#init:
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: Jenkins initial setup is required. An admin user has been created and a password generated.
5月 17 15:32:53 admincp jenkins[106321]: Please use the following password to proceed to installation:
5月 17 15:32:53 admincp jenkins[106321]: b6c6ff7cfcbb498293d4646b732cd51a
5月 17 15:32:53 admincp jenkins[106321]: This may also be found at: /var/lib/jenkins/secrets/initialAdminPassword
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp jenkins[106321]: *************************************************************
5月 17 15:32:53 admincp systemd[1]: Reloading.
5月 17 15:32:53 admincp systemd-sysv-generator[106697]: Overwriting existing symlink /run/systemd/generator.late/bt.service with real service.
5月 17 15:32:53 admincp systemd[1]: Configuration file /etc/systemd/system/runsunloginclient.service is marked executable. Please remove executable permission bits. Proceeding anyway.
5月 17 15:32:53 admincp systemd[1]: Reloading.
5月 17 15:32:53 admincp systemd-sysv-generator[106724]: Overwriting existing symlink /run/systemd/generator.late/bt.service with real service.
5月 17 15:32:53 admincp systemd[1]: Configuration file /etc/systemd/system/runsunloginclient.service is marked executable. Please remove executable permission bits. Proceeding anyway.
5月 17 15:32:56 admincp kernel: [UFW BLOCK] IN=eno1 OUT= MAC=2c:ea:7f:e7:7c:88:68:4a:ae:00:45:98:08:00 SRC=183.136.225.14 DST=218.83.234.148 LEN=44 TOS=0x00 PREC=0x20 TTL=117 ID=51846 PROTO=TCP SPT=25603 DPT=1027 WINDOW=29200 RES=0x00 SY>
5月 17 15:33:10 admincp kernel: [UFW BLOCK] IN=eno1 OUT= MAC=2c:ea:7f:e7:7c:88:68:4a:ae:00:45:98:08:00 SRC=52.202.51.185 DST=218.83.234.148 LEN=1452 TOS=0x00 PREC=0x20 TTL=44 ID=22619 DF PROTO=TCP SPT=443 DPT=52256 WINDOW=482 RES=0x00 AC
Dear friends, have you ever met the same problem? How should I deal with this mistake?