1、conf/server.xml中涉及的端口全修改为不冲突的1) <Server port="8005" shutdown="SHUTDOWN"> 2) <Connector port="8080" 3) <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" /> 4) redirectPort="28443" /> ... 8005、8080、8009、8443每个端口可能存在多个，全为替换下即可。
2、新增如下变量(x为第几个tomcat)
JAVA_HOME_x JRE_HOME_x CATALINA_BASE_x CATALINA_HOME_x CLASSPATH_x PATH_x 如： export JAVA_HOME_8=/usr/java/jdk1.8.0_121 export JRE_HOME_8=/usr/java/jdk1.8.0_121/jre export CATALINA_BASE_8=/home/xxx/apache-tomcat-8.5.11 export CATALINA_HOME_8=/home/xxx/apache-tomcat-8.5.11 export CLASSPATH_8=.:${CATALINA_HOME_8}/bin/tomcat-juli.jar:${CATALINA_HOME_8}/bin/bootstrap.jar:$JAVA_HOME_8/lib:$JAVA_HOME_8/lib/tools.jar:$JAVA_HOME_8/jre/lib
export PATH_8=$JAVA_HOME_8/bin:$JRE_HOME_8/bin:$PATH
=》此步配置错误的话，经常导致如下错误：
[root@xxxxx bin]# sh startup.sh /home/xxx/apache-tomcat-8.5.11/bin/catalina.sh: line 120: uname: No such file or directory /home/xxx/apache-tomcat-8.5.11/bin/catalina.sh: line 141: dirname: No such file or directory Cannot find //bin/setclasspath.shThis file is needed to run this program
3、在bin/catalina.sh中第一句有效代码前面插入 ... # signals. Default is "false" unless running on HP-UX in which # case the default is "true" # ----------------------------------------------------------------------------- export JAVA_HOME=$JAVA_HOME_8 export JRE_HOME=$JRE_HOME_8 export CATALINA_BASE=$CATALINA_BASE_8 export CATALINA_HOME=$CATALINA_HOME_8 export CLASSPATH=$CLASSPATH_8 export PATH=$PATH_8
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