搭建Java开发环境

安装JDK,下载最新版本14.1.0

[root@localhost ~]# wget https://download.oracle.com/otn-pub/java/jdk/14.0.1+7/664493ef4a6946b186ff29eb326336a2/jdk-14.0.1_linux-x64_bin.tar.gz?AuthParam=1587952204_f1028e3db1d21462de55d7295a8c444b

解压JDK包

[root@localhost ~]# mv jdk-14.0.1_linux-x64_bin.tar.gz\?AuthParam\=1587952204_f1028e3db1d21462de55d7295a8c444b  \
jdk-14.0.1_linux-x64_bin.tar.gz
[root@localhost ~]# tar xzf  jdk-14.0.1_linux-x64_bin.tar.gz 
[root@localhost ~]# mv jdk-14.0.1 /usr/local/java
[root@localhost ~]# vim /etc/profile
export JAVA_HOME=/usr/local/java
export JRE_HOME=/usr/local/java/jre
export CLASSPATH=$JAVA_HOME/lib:$JRE_HOME/lib
export PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
[root@localhost ~]# rm -rf /usr/bin/java
[root@localhost ~]# source /etc/profile
[root@localhost ~]# java -version
java version "14.0.1" 2020-04-14
Java(TM) SE Runtime Environment (build 14.0.1+7)
Java HotSpot(TM) 64-Bit Server VM (build 14.0.1+7, mixed mode, sharing)

安装tomcat

拖包,解压

[root@localhost ~]# tar zxf apache-tomcat-8.5.35.tar.gz 
[root@localhost ~]# mv apache-tomcat-8.5.35 /usr/local/tomcat

启动服务:/usr/local/tomcat/bin/startup.sh

停止服务:/usr/local/tomcat/bin/shutdown.sh

经验证发现jdk的14版本带不起来这个tomcat的版本,所以决定给他降版本

拖jdk1.8版本的包

[root@localhost ~]# tar zxf jdk-8u201-linux-x64.tar.gz 
[root@localhost ~]# rm -rf /usr/local/java/     
[root@localhost ~]# mv jdk1.8.0_201/ /usr/local/java
[root@localhost ~]# rm -rf /usr/bin/java
[root@localhost ~]# source /etc/profile
[root@localhost ~]# java -version
java version "1.8.0_201"
Java(TM) SE Runtime Environment (build 1.8.0_201-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.201-b09, mixed mode)

重新启动tomcat

访问http://192.168.1.1:8080

Java_web_tomcat

搭建完成

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