jenkins启动报错 Job for jenkins.service failed because the control process exited with error code.

启动时若提示下述内容，则表示启动失败

Job for jenkins.service failed because the control process exited with error code. See "systemctl status jenkins.service" and "journalctl -xe" for details.

我们按照提示输入命令，进行失败原因查看：

systemctl status jenkins.service

输出内容：

[root@localhost jenkins]# systemctl status jenkins.service
● jenkins.service - LSB: Jenkins Automation Server
   Loaded: loaded (/etc/rc.d/init.d/jenkins; bad; vendor preset: disabled)
   Active: failed (Result: exit-code) since Tue 2020-10-20 17:16:40 CST; 4min 10s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 10018 ExecStart=/etc/rc.d/init.d/jenkins start (code=exited, status=1/FAILURE)

Oct 20 17:16:40 localhost.localdomain systemd[1]: Starting LSB: Jenkins Automation Server...
Oct 20 17:16:40 localhost.localdomain runuser[10023]: pam_unix(runuser:session): session opened for user jenkins by (uid=0)
Oct 20 17:16:40 localhost.localdomain jenkins[10018]: Starting Jenkins bash: /usr/bin/java: No such file or directory
Oct 20 17:16:40 localhost.localdomain runuser[10023]: pam_unix(runuser:session): session closed for user jenkins
Oct 20 17:16:40 localhost.localdomain jenkins[10018]: [FAILED]
Oct 20 17:16:40 localhost.localdomain systemd[1]: jenkins.service: control process exited, code=exited status=1
Oct 20 17:16:40 localhost.localdomain systemd[1]: Failed to start LSB: Jenkins Automation Server.
Oct 20 17:16:40 localhost.localdomain systemd[1]: Unit jenkins.service entered failed state.
Oct 20 17:16:40 localhost.localdomain systemd[1]: jenkins.service failed.

从第10行我们可以看出jenkins没有找到java文件，需要自己把java文件地址复制过去

vi /etc/init.d/jenkins

手动输入对应服务器中的java路径：

接下来我们再启动jenkins，就可以成功了。

 

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