Jenkins运行失败 "service start jenkins"

Question

我使用以下命令在 Centos 7 上安装了 jenkins:

sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins.io/redhat-stable/jenkins.repo
sudo rpm --import http://pkg.jenkins.io/redhat-stable/jenkins.io.key
yum install jenkins

如 described on the official documentation

但是当我运行时:

service start jenkins

我收到以下错误消息:

Starting jenkins (via systemctl):  Job for jenkins.service failed because the control process exited with error code. See "systemctl status jenkins.service" and "journalctl -xe" for details.
                                                           [FAILED]

运行systemctl status jenkins.service给我这个:

● jenkins.service - LSB: Jenkins Continuous Integration Server
   Loaded: loaded (/etc/rc.d/init.d/jenkins)
   Active: failed (Result: exit-code) since Wed 2016-09-21 16:45:28 BST; 3min 59s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 2818 ExecStart=/etc/rc.d/init.d/jenkins start (code=exited, status=1/FAILURE)

Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: at com.sun.akuma.JavaVMArguments.of(JavaVMArguments...04)
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: at com.sun.akuma.JavaVMArguments.current(JavaVMArgu...92)
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: at com.sun.akuma.Daemon.daemonize(Daemon.java:106)
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: at com.sun.akuma.Daemon.all(Daemon.java:88)
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: ... 6 more
Sep 21 16:45:28 webstack.local.caplib systemd[1]: jenkins.service: control process exited, code=exited s...s=1
Sep 21 16:45:28 webstack.local.caplib systemd[1]: Failed to start LSB: Jenkins Continuous Integration Server.
Sep 21 16:45:28 webstack.local.caplib systemd[1]: Unit jenkins.service entered failed state.
Sep 21 16:45:28 webstack.local.caplib systemd[1]: jenkins.service failed.
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: [FAILED]
Hint: Some lines were ellipsized, use -l to show in full.

并运行journalctl -xe给我这个:

Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: at com.sun.akuma.JavaVMArguments.of(JavaVMArguments.java:
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: at com.sun.akuma.JavaVMArguments.current(JavaVMArguments.
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: at com.sun.akuma.Daemon.daemonize(Daemon.java:106)
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: at com.sun.akuma.Daemon.all(Daemon.java:88)
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: ... 6 more
Sep 21 16:45:28 webstack.local.caplib runuser[2819]: pam_unix(runuser:session): session closed for user jenkin
Sep 21 16:45:28 webstack.local.caplib systemd[1]: jenkins.service: control process exited, code=exited status=
Sep 21 16:45:28 webstack.local.caplib systemd[1]: Failed to start LSB: Jenkins Continuous Integration Server.
-- Subject: Unit jenkins.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit jenkins.service has failed.
--
-- The result is failed.
Sep 21 16:45:28 webstack.local.caplib systemd[1]: Unit jenkins.service entered failed state.
Sep 21 16:45:28 webstack.local.caplib systemd[1]: jenkins.service failed.
Sep 21 16:45:28 webstack.local.caplib jenkins[2818]: [FAILED]
Sep 21 16:45:28 webstack.local.caplib polkitd[1392]: Unregistered Authentication Agent for unix-process:2813:8
Sep 21 16:45:28 webstack.local.caplib dhclient[1390]: DHCPREQUEST on eno16777984 to 192.168.15.254 port 67 (xi
Sep 21 16:45:28 webstack.local.caplib dhclient[1390]: DHCPACK from 192.168.15.254 (xid=0x2ab6e6bc)
Sep 21 16:45:30 webstack.local.caplib dhclient[1390]: bound to 192.168.15.120 -- renewal in 865 seconds.
Sep 21 16:45:36 webstack.local.caplib systemd[1]: Starting Cleanup of Temporary Directories...
-- Subject: Unit systemd-tmpfiles-clean.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit systemd-tmpfiles-clean.service has begun starting up.
Sep 21 16:45:36 webstack.local.caplib systemd[1]: Started Cleanup of Temporary Directories.
-- Subject: Unit systemd-tmpfiles-clean.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit systemd-tmpfiles-clean.service has finished starting up.
--
-- The start-up result is done.

这两者都毫无帮助。如何解决这个问题？

Answer 1

Ubuntu 16.04 上有类似问题。

Setting up jenkins (2.72) ...
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; bad; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2017-08-01 05:39:06 UTC; 7ms ago
Docs: man:systemd-sysv-generator(8)
Process: 3700 ExecStart=/etc/init.d/jenkins start (code=exited, status=1/FAILURE)

Aug 01 05:39:06 ip-0 systemd[1]: Starting LSB: Start Jenkins ....
Aug 01 05:39:06 ip-0 jenkins[3700]: ERROR: No Java executable ...
Aug 01 05:39:06 ip-0 jenkins[3700]: If you actually have java ...
Aug 01 05:39:06 ip-0 systemd[1]: jenkins.service: Control pro...1
Aug 01 05:39:06 ip-0 systemd[1]: Failed to start LSB: Start J....
Aug 01 05:39:06 ip-0 systemd[1]: jenkins.service: Unit entere....
Aug 01 05:39:06 ip-0 systemd[1]: jenkins.service: Failed with....

要解决此问题，请手动安装 Java 运行时环境:

JDK 版本 9:

sudo apt install openjdk-9-jre

JDK 版本 8:

sudo apt install openjdk-8-jre

打开Jenkins配置文件:

sudo vi /etc/init.d/jenkins

最后，附加新的 java 可执行文件的路径(第 16 行):

PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/lib/jvm/java-8-openjdk-amd64/bin/