在Debian环境下更新或升级Tomcat的步骤如下:
sudo cp -r /opt/tomcat /opt/tomcat_backup
wget https://downloads.apache.org/tomcat/tomcat-9/v9.0.76/bin/apache-tomcat-9.0.76.tar.gz
sudo systemctl stop tomcat
sudo rm -rf /opt/tomcat/apache-tomcat-9.0.76
sudo tar -xvf apache-tomcat-9.0.76.tar.gz -C /opt/tomcat --strip-components 1
sudo ln -s /opt/tomcat/apache-tomcat-9.0.76 /opt/tomcat/latest
/etc/profile
或 /etc/environment
文件,更新 CATALINA_HOME
环境变量以指向新的Tomcat安装目录。echo 'export CATALINA_HOME=/opt/tomcat/latest' | sudo tee -a /etc/profile
source /etc/profile
/etc/systemd/system/tomcat.service
文件,确保它指向新的Tomcat安装目录。sudo nano /etc/systemd/system/tomcat.service
在文件中添加以下内容,并修改 JAVA_HOME
以匹配你的JDK安装路径。
[Unit]
Description=Apache Tomcat Web Application Container
After=network.target
[Service]
Type=forking
Environment=JAVA_HOME=/usr/lib/jvm/default-java
Environment=CATALINA_PID=/opt/tomcat/temp/tomcat.pid
Environment=CATALINA_HOME=/opt/tomcat/apache-tomcat-9.0.76
Environment=CATALINA_BASE=/opt/tomcat
Environment='CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:UseParallelGC'
Environment='JAVA_OPTS=-Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom'
ExecStart=/opt/tomcat/bin/startup.sh
ExecStop=/opt/tomcat/bin/shutdown.sh
Restart=always
[Install]
WantedBy=multi-user.target
保存并关闭文件,然后重新加载systemd配置。
sudo systemctl daemon-reload
sudo systemctl start tomcat
http://your_server_ip:8080
,确认新版本的Tomcat是否正常运行。