0.前言:
指前兩篇jdk與tomcat安裝留下的問題
1.問題報錯

[root@VM_16_8_centos bin]# ./shutdown.sh Using CATALINA_BASE: /usr/local/tomcat/apache-tomcat-8.5.50 Using CATALINA_HOME: /usr/local/tomcat/apache-tomcat-8.5.50 Using CATALINA_TMPDIR: /usr/local/tomcat/apache-tomcat-8.5.50/temp Using JRE_HOME: /usr/java/jdk/jre Using CLASSPATH: /usr/local/tomcat/apache-tomcat-8.5.50/bin/bootstrap.jar:/usr/local/tomcat/apache-tomcat-8.5.50/bin/tomcat-juli.jar /usr/local/tomcat/apache-tomcat-8.5.50/bin/catalina.sh: line 524: /usr/java/jdk/jre/bin/java: No such file or directory
2.解決辦法:
原因:是我們在配置jdk環境變量時的JRE路徑

jdk10以后的版本解壓后是沒有jre目錄的
JAVA_HOME=/usr/java/jdk JRE_HOME=/usr/java/jdk/jre PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib export JAVA_HOME JRE_HOME PATH CLASSPATH
所以第二行JRE_HOME需要改為JRE_HOME=$JAVA_HOME/,即:
JAVA_HOME=/usr/java/jdk JRE_HOME=$JAVA_HOME/ PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib export JAVA_HOME JRE_HOME PATH CLASSPATH
再:source /etc/profile使配置文件生效即可
