centos7下载安装tomcat并设置开机自启动

最新推荐文章于 2022-10-13 21:40:40 发布

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最新推荐文章于 2022-10-13 21:40:40 发布

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文章标签： tomcat自启动

本文链接：https://blog.youkuaiyun.com/qq_32807619/article/details/80163179

本文介绍如何将Apache Tomcat部署为Linux系统服务，并实现开机自动启动。包括下载安装Tomcat，创建systemd服务文件，配置JAVA_HOME环境变量等步骤。

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首先是从官网找链接然后wget下载下来并解压

[root@localhost ~]# cd /usr/local
[root@localhost local]# wget wget http://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-9/v9.0.7/bin/apache-tomcat-9.0.7.tar.gz
[root@localhost local]# tar -xzvf apache-tomcat-9.0.7.tar

要设置开机自启动需要我们自己把tomcat做成一个服务

进入到/usr/lib/systemd/system/目录下，新建一个文件叫tomcat.service（可自己改，需要和一会儿开启关闭服务名保持一致），并粘贴以下内容

[Unit]
Description=tomcat
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/local/apache-tomcat-9.0.7/bin/startup.sh   //自已的tomcat目录
ExecStop=/usr/local/apache-tomcat-9.0.7/bin/shutdown.sh
ExecReload=/bin/kill -s HUP $MAINPID
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target

保存后就可以尝试开启服务了，使用systemctl start tomcat.service即可。这个地方注意可能会报一个错如下

[root@localhost bin]# systemctl status tomcat.service
● tomcat.service - tomcat
   Loaded: loaded (/usr/lib/systemd/system/tomcat.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Wed 2018-05-02 10:02:19 CST; 1min 31s ago
  Process: 20223 ExecStart=/usr/local/apache-tomcat-9.0.7/bin/startup.sh //自已的tomcat目录 (code=exited, status=1/FAILURE)
 Main PID: 20223 (code=exited, status=1/FAILURE)

May 02 10:02:19 localhost.localdomain systemd[1]: Starting tomcat...
May 02 10:02:19 localhost.localdomain startup.sh[20223]: Neither the JAVA_HOME nor the JRE_HOME environment variable is defined
May 02 10:02:19 localhost.localdomain startup.sh[20223]: At least one of these environment variable is needed to run this program
May 02 10:02:19 localhost.localdomain systemd[1]: tomcat.service: main process exited, code=exited, status=1/FAILURE
May 02 10:02:19 localhost.localdomain systemd[1]: Failed to start tomcat.
May 02 10:02:19 localhost.localdomain systemd[1]: Unit tomcat.service entered failed state.
May 02 10:02:19 localhost.localdomain systemd[1]: tomcat.service failed

就是说找不到JAVA_HOME或者JRE_HOME，我本地是有配置的，好像说因为我是直接官网下载没有用yum导致了这个错误，如果报错的话就回到tomcat的bin目录找catalina.sh编辑声明JAVA_HOME,这个我是放在开头，下面可能有调用，所以放最上边最保险，加如下一行即可，注意路径换成机器安装的jdk的路径

export JAVA_HOME=/usr/local/java/jdk1.8.0_172

保存后再次尝试systemctl start tomcat.service成功则证明这个服务制作好了。

[root@localhost bin]# systemctl status tomcat.service
● tomcat.service - tomcat
   Loaded: loaded (/usr/lib/systemd/system/tomcat.service; disabled; vendor preset: disabled)
   Active: active (exited) since Wed 2018-05-02 10:22:50 CST; 29s ago
  Process: 20334 ExecStart=/usr/local/apache-tomcat-9.0.7/bin/startup.sh //自已的tomcat目录 (code=exited, status=0/SUCCESS)
 Main PID: 20334 (code=exited, status=0/SUCCESS)
   CGroup: /system.slice/tomcat.service
           └─20343 /usr/local/java/jdk1.8.0_172/bin/java -Djava.util.logging.config.file=/usr/local/apache-tomcat-9.0.7/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogMana...

这样要设置开机自启动直接与其他服务操作方式一样

systemctl enable tomcat.service（开机自启）

systemctl disable tomcat.service（关闭开机自启）

文章主要是正好遇上了所以做个记录。