52037317 发表于 2018-12-6 06:50:29

Linux下安装Tomcat服务器和部署Web应用

  Linux下安装Tomcat服务器和部署Web应用
  一、上传Tomcat服务器
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  二、安装Tomcat服务器
  2.1、解压tomcat服务器压缩包
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  2.2、配置环境变量
  tomcat服务器运行时是需要JDK支持的,所以必须配置好JDK用到的那些环境变量
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  编辑/etc下的profile文件,加上如下内容:
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  2.3、修改tomcat服务器的启动端口
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  修改将Tomcat服务器启动时使用的端口,例如改成9999
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  修改完server.xml文件之后,保存,退出。
  三、Tomcat服务器启动和关闭
  3.1、启动Tomcat服务器
  进入tomcat服务器的bin目录,然后执行"./startup.sh"命令启动Tomcat服务器,如下图所示:
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  查看tomcat服务器的Log信息,看看tomcat服务器是否已经正常启动,进入tomcat服务器下的logs目录,打开catalina.out文件进行查看,如下图所示:
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  访问Tomcat服务器,如下图所示:
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  可以正常访问了,说明Tomcat服务器已经正常启动成功了。
  如果tomcat启动不了,那么最有可能就是启动时使用的端口被其他应用程序占用了,那么可以通过如下的办法进行排查,例如查看9999端口被哪个应用程序占用了。
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  3.2、关闭Tomcat服务器
  进入tomcat服务器的bin目录,然后执行"./shutdown.sh"命令启动Tomcat服务器,如下图所示:
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  查看tomcat服务器的Log信息,看看tomcat服务器是否已经正常关闭,进入tomcat服务器下的logs目录,打开catalina.out文件进行查看,如下图所示:
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  四、部署JavaWeb应用到Tomcat服务器
  部署JavaWeb应用到Tomcat服务器就是将开放好的JavaWeb应用打包成war包,然后发布到tomcat服务器的webapps目录下
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  4.1、打包JavaWeb应用
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  项目打包成功,如下图所示:
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  4.2、将war包发布到tomcat服务器的webapps目录下
  将JavaWeb应用打包成war包之后,要将这个war包放到tomcat服务器的webapps目录下,由于要部署的javaWeb应用使用的是JNDI数据源,所以首先要把数据库对应的驱动jar包放到tomcat服务器的lib目录下。
  1、将Oracle数据库的驱动jar包上传到tomcat服务器的lib目录
  如下图所示:
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  2、将打包好的war包上传到tomcat服务器的webapps目录
  如下图所示:
  上传war包到webapps目录
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  上传成功
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  Tomcat服务器自动解压缩war包
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  检查一下tomcat服务器是否自动在conf目录下创建了Catalina/localhost目录,在看看localhost目录下是否有tomcat服务器自动创建的oams.xml文件
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  五、Linux下安装Tomcat服务器使用到的命令
  5.1、linux查看端口被哪个进程占用
  lsof -i:端口号
  例如:
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  5.2、查看Linux服务器的版本
  lsb_release -a
  例如:
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  5.3、查看当前iptables(防火墙)规则
  可使用"iptables –L –n"查看当前iptables规则
  例如:
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  5.4、添加指定端口到防火墙中
  iptables -I INPUT -p 协议 --dport 端口号 -j ACCEPT
  例如:
  1 iptables -I INPUT -p udp --dport 161 -j ACCEPT
  2 iptables -I INPUT -p tcp --dport 8080 -j ACCEPT

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