Starting Jenkins bash: /usr/bin/java: 没有那个文件或目录

         

         

        [[email protected] /]# 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 六 2019-09-28 09:27:02 CST; 27min ago
             Docs: man:systemd-sysv-generator(8)
          Process: 30069 ExecStart=/etc/rc.d/init.d/jenkins start (code=exited, status=1/FAILURE)
        
        9月 28 09:27:02 localhost.localdomain systemd[1]: Starting LSB: Jenkins Automation Server...
        9月 28 09:27:02 localhost.localdomain runuser[30074]: pam_unix(runuser:session): session opened for user jenkins by (uid=0)
        9月 28 09:27:02 localhost.localdomain jenkins[30069]: Starting Jenkins bash: /usr/bin/java: 没有那个文件或目录
        9月 28 09:27:02 localhost.localdomain jenkins[30069]: [失败]
        9月 28 09:27:02 localhost.localdomain systemd[1]: jenkins.service: control process exited, code=exited status=1
        9月 28 09:27:02 localhost.localdomain systemd[1]: Failed to start LSB: Jenkins Automation Server.
        9月 28 09:27:02 localhost.localdomain systemd[1]: Unit jenkins.service entered failed state.
        9月 28 09:27:02 localhost.localdomain systemd[1]: jenkins.service failed.
        
        
        [root@localhost /]# which java
        /usr/local/iron/jdk1.8.0_191/bin/java
        
        #JDK的安装路径和Jenkins 默认的JDK路径不一致
        #建立软连接
        ln -s /usr/local/iron/jdk1.8.0_191/jdk/bin/java /usr/bin/java
        
        #如果多版本,可以使用下面的命令更新
        [[email protected] /]# update-alternatives --install /usr/bin/java java /usr/local/iron/jdk1.8.0_191/bin/java 300
        [[email protected] /]# update-alternatives --install /usr/bin/javac javac /usr/local/iron/jdk1.8.0_191/bin/javac 300
        [[email protected] /]# update-alternatives --install /usr/bin/jar jar /usr/local/iron/jdk1.8.0_191/bin/jar 300
        [[email protected] /]# update-alternatives --install /usr/bin/javah javah /usr/local/iron/jdk1.8.0_191/bin/javah 300
        [[email protected] /]# update-alternatives --install /usr/bin/javap javap /usr/local/iron/jdk1.8.0_191/bin/javap 300
        [[email protected] /]# update-alternatives --config java
        
        [root@localhost /]# which java
        /usr/bin/java

         


        或者修改jenkins配置文件

        vi /etc/rc.d/init.d/jenkins

        类似如下修改:

        candidates="
        /etc/alternatives/java
        /usr/lib/jvm/java-1.8.0/bin/java
        /usr/lib/jvm/jre-1.8.0/bin/java
        /usr/lib/jvm/java-1.7.0/bin/java
        /usr/lib/jvm/jre-1.7.0/bin/java
        /usr/lib/jvm/java-11.0/bin/java
        /usr/lib/jvm/jre-11.0/bin/java
        /usr/lib/jvm/java-11-openjdk-amd64
        /usr/bin/java
        /usr/local/iron/jdk1.8.0_191/bin/java #把自己配置的目录加进去 "
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