前言
配置好tomcat启动报错
已连接到地址为 ''127.0.0.1:50303'，传输: '套接字'' 的目标虚拟机
已与地址为 ''127.0.0.1:50303'，传输: '套接字'' 的目标虚拟机断开连接
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/catalina/startup/Bootstrap has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0at java.lang.ClassLoader.defineClass1(Native Method)at java.lang.ClassLoader.defineClass(ClassLoader.java:756)at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)at java.net.URLClassLoader.access$100(URLClassLoader.java:74)at java.net.URLClassLoader$1.run(URLClassLoader.java:369)at java.net.URLClassLoader$1.run(URLClassLoader.java:363)at java.security.AccessController.doPrivileged(Native Method)at java.net.URLClassLoader.findClass(URLClassLoader.java:362)at java.lang.ClassLoader.loadClass(ClassLoader.java:418)at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:371)at java.lang.ClassLoader.loadClass(ClassLoader.java:351)at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:642)
问题
原因就是1.8打的包 tomcat11启动不了，tomcat太新了，回退到tomcat8，推荐版本8.5.57
历史版本下载地址：
-- 历史版本
https://archive.apache.org/dist/tomcat/
-- 8.5
https://archive.apache.org/dist/tomcat/tomcat-8/v8.5.57/bin/
下载压缩包，GZ都可以，看你选择
更新yum源下载docker)
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