因为公司的项目bug较多,导致服务器经常内存溢出,导致linux服务器上的tomcat隔几天就宕机一次,而每次宕机都需要我们技术重启,比较麻烦,于是在后台管理端写了一个按钮,当tomcat挂了,可以通过公司的后台管理端按钮,一键重启,代码如下:
java代码:
String restart_path = "/app/apps/tomcat/bin/restart.sh"; // 重启tomcat
Process ps = Runtime.getRuntime().exec(shutdown_path);
ps.waitFor();
BufferedReader br = new BufferedReader(new InputStreamReader(ps.getInputStream()));
StringBuffer sb = new StringBuffer();
String line;
while ((line = br.readLine()) != null) {
sb.append(line).append("\n");
}
String result = sb.toString();
linux上的restart.sh脚本代码:
#! /bin/bash
tomcat_home=/app/apps/tomcat
SHUTDOWN=${tomcat_home}/bin/shutdown.sh
StartTomcat=${tomcat_home}/bin/startup.sh
TomcatCache=${tomcat_home}/work
echo "准备杀掉${tomcat_home}"
# 获取tomcat进程ID
TomcatID=$(ps -ef |grep tomcat |grep -w 'tomcat'|grep -v 'grep'|awk 'NR==1{print $2}')
echo "tomcatId is ${TomcatID}"
kill -9 ${TomcatID} # 杀掉原tomcat进程
echo "杀掉tomcat进程, 5秒后重启---------"
sleep 5
rm -rf ${TomcatCache} # 清理tomcat缓存
${StartTomcat}
echo "----------重启完成--------------------"
注意:下面的三个红色tomcat,指的是项目所在的tomcat的名字
String restart_path = "/app/apps/tomcat/bin/restart.sh"; // 重启tomcat
tomcat_home=/app/apps/tomcat
TomcatID=$(ps -ef |grep tomcat |grep -w 'tomcat'|grep -v 'grep'|awk 'NR==1{print $2}')