tomcat 启动 报错Neither the JAVA_HOME nor the JRE_HOME environment variable is definedtemp

catalina.sh 加入环境

export JAVA_HOME=/usr/local/jdk1.7.0_79

export CATALINA_HOME=/home/sa/webserver/tomcat7

export CATALINA_BASE=/home/sa/webserver/tomcat7

export CATALINA_TMPDIR=/home/sa/webserver/tomcat7/