在Mac终端输入输入如下命令:java -jar /Applications/Jenkins/jenkins.war,
启动jenkins报错,报错如下:
Running with Java class version 57 which is not in the list of supported versions: [52, 55]. Run with the --enable-future-java flag to enable such behavior. See https://jenkins.io/redirect/java-support/
java.lang.UnsupportedClassVersionError: 57.0
at Main.verifyJavaVersion(Main.java:174)
at Main.main(Main.java:142)
Jenkins requires Java versions [8, 11] but you are running with Java 13 from /Library/Java/JavaVirtualMachines/jdk-13.0.1.jdk/Contents/Home
java.lang.UnsupportedClassVersionError: 57.0
at Main.verifyJavaVersion(Main.java:174)
at Main.main(Main.java:142)
发现Jenkins只支持Java版本[8,11],而本机安装的Java版本为jdk13,故先卸载jdk13,然后安装jdk11。
Mac卸载jdk13,命令如下:
1,在终端输入:sudo rm -fr /Library/Internet\ Plug-Ins/JavaAppletPlugin.plugin,输入密码,回车;
2,继续输入:sudo rm -fr /Library/PreferencePanes/JavaControlPanel.prefPane;
3,继续输入:
sudo rm -rf /Library/Java/JavaVirtualMachines/jdk-13.0.1.jdk,回车,删除/Library/Java/JavaVirtualMachines/ 路径下的jdk-13.0.1.jdk文件夹;
4,在终端输入java/javac,回车,显示“No Java runtime present, requesting install.”,代表jdk13卸载成功
注:红色标注为你安装的jdk版本号,也就是/Library/Java/JavaVirtualMachines/ 路径下的文件夹名
在官网重新下载jdk11,安装jdk11,浏览器访问http://localhost:8080/成功