// war包启动方式 java -jar jenkins.war —-httpPort=1100 // homebrew启动方式 brew services start jenkins —-httpPort=1100若出现以下日志，是端口被占用的情况：
hudson.WebAppMain#contextDestroyed: Shutting down a Jenkins instance that was still starting up Caused by: java.net.BindException: Address already in use Caused: java.io.IOException: Failed to bind to 0.0.0.0/0.0.0.0:8080 Caused: java.io.IOException: Failed to start Jetty若出现以下日志，则启动成功：
xxx@MacBook-Pro desktop % java -jar jenkins.war --httpPort=1100
Running from: /Users/xxx/Desktop/jenkins.war
webroot: $user.home/.jenkins
2022-07-12 03:10:14.617+0000 [id=1] INFO org.eclipse.jetty.util.log.Log#initialized: Logging initialized @1091ms to org.eclipse.jetty.util.log.JavaUtilLog
2022-07-12 03:10:14.738+0000 [id=1] INFO winstone.Logger#logInternal: Beginning extraction from war file
2022-07-12 03:10:14.778+0000 [id=1] WARNING o.e.j.s.handler.ContextHandler#setContextPath: Empty contextPath
2022-07-12 03:10:14.876+0000 [id=1] INFO org.eclipse.jetty.server.Server#doStart: jetty-9.4.45.v20220203; built: 2022-02-03T09:14:34.105Z; git: 4a0c91c0be53805e3fcffdcdcc9587d5301863db; jvm 11.0.11+9-LTS
2022-07-12 03:10:15.367+0000 [id=1] INFO o.e.j.w.StandardDescriptorProcessor#visitServlet: NO JSP Support for /, did not find org.eclipse.jetty.jsp.JettyJspServlet
…
hudson.WebAppMain#contextInitialized: Jenkins home directory: /Users/xxx/.jenkins found at: $user.home/.jenkins
Warning: the fonts "Times" and "Times" are not available for the Java logical font "Serif", which may have unexpected appearance or behavior. Re-enable the "Times" font to remove this warning.
2022-07-12 03:10:16.975+0000 [id=1] INFO o.e.j.s.handler.ContextHandler#doStart: Started w.@4c432866{Jenkins v2.346.1,/,file:///Users/xxx/.jenkins/war/,AVAILABLE}{/Users/xxx/.jenkins/war}
2022-07-12 03:10:17.031+0000 [id=1] INFO o.e.j.server.AbstractConnector#doStart: Started
…
jenkins.InitReactorRunner$1#onAttained: Loaded all jobs
2022-07-12 03:10:19.054+0000 [id=35] INFO jenkins.InitReactorRunner$1#onAttained: Configuration for all jobs updated
2022-07-12 03:10:19.072+0000 [id=59] INFO hudson.model.AsyncPeriodicWork#lambda$doRun$1: Started Download metadata
2022-07-12 03:10:19.083+0000 [id=59] INFO hudson.util.Retrier#start: Attempt #1 to do the action check updates server
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.codehaus.groovy.vmplugin.v7.Java7$1 (file:/Users/xxx/.jenkins/war/WEB-INF/lib/groovy-all-2.4.21.jar) to constructor java.lang.invoke.MethodHandles$Lookup(java.lang.Class,int)
WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.vmplugin.v7.Java7$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2022-07-12 03:10:19.550+0000 [id=41] INFO jenkins.install.SetupWizard#init:
*************************************************************
*************************************************************
*************************************************************
Jenkins initial setup is required. An admin user has been created and a password generated.
Please use the following password to proceed to installation:
// 初始密码
8a484e0fa02446ac89dfe1b75b3cd0e1
This may also be found at: /Users/xxx/.jenkins/secrets/initialAdminPassword
*************************************************************
*************************************************************
*************************************************************
三、配置Jenkins 进入配置页
启动完成后进入浏览器地址 http://localhost:1100/，密码在上面的启动成功后的日志中就有，复制填入，点击 继续
我选择了推荐插件，也可以自定义选择插件
这个过程是自动的，需要几分钟时间
此步骤可以顺便修改初始密码
四、完成配置
点击保存并完成就配置好了
