Java 8 + Tomcat 9.0.102 的稳定环境搭建方案，适用于生产环境

一、安装 Java 8

1. 安装 OpenJDK 8
   bash
   sudo apt update
   sudo apt install openjdk-8-jdk -y

2. 验证安装
   bash
   java -version

应输出类似：

openjdk version “1.8.0_412”

OpenJDK Runtime Environment (build 1.8.0_412-8u412-ga-1~22.04-b08)

OpenJDK 64-Bit Server VM (build 25.412-b08, mixed mode)

3. 设置环境变量
   bash

echo ‘export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64’ | sudo tee -a /etc/profile.d/java.sh
source /etc/profile.d/java.sh

二、安装 Tomcat 9.0.102

1. 下载指定版本
   bash
   wget https://archive.apache.org/dist/tom