本篇内容介绍了“通过jenkins发布java项目到目标主机上的步骤是什么”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！
拉取代码并打包
mvn clean package
备份目标服务器上已有的要发布项目
将包传到目标服务器的webapss目录中
需做免密登录
重启目标服务器的tomcat服务
修改项目的配置
重启目标服务器的tomcat服务
两台主机上分别安装jenkins，tomcat
jenkins主机上操作
#两台主机做免密登录 [root@localhost ~]# ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Created directory '/root/.ssh'. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /root/.ssh/id_rsa. Your public key has been saved in /root/.ssh/id_rsa.pub. The key fingerprint is: SHA256:0zPiM+3ypvmYPisJbeL8LhA2QApiAVqwF9C+gyASonU root@localhost.localdomain The key's randomart image is: +---[RSA 3072]----+ |OB+ | |Xoo.E | |*=.. | |=.= . | |+o + . S + | |. + o o. + o | | = + .+ . | | + o oB. | | +ooBO+ | +----[SHA256]-----+ [root@localhost ~]# ssh-copy-id root@192.168.8.131 /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub" The authenticity of host '192.168.8.131 (192.168.8.131)' can't be established. ECDSA key fingerprint is SHA256:WbxvLgdwExwRlMT4gaAC1bVyIovZnAwwX1DX8dv6Rs0. Are you sure you want to continue connecting (yes/no/[fingerprint])? yes /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@192.168.8.131's password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh 'root@192.168.8.131'" and check to make sure that only the key(s) you wanted were added. #安装软件 [root@localhost ~]# yum -y install git maven
拉取代码链接：https://gitee.com/neawalke/tomcat-java-demo.git
当拉取的代码是私有仓库
测试访问页面
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