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Tomcat进程无法正常stop问题

李大仁

CentOS使用Catalina.sh 来管理Tomcat运行时，Catalina.sh run 之后产生的tomcat进程会无法使用 Catalina.sh stop -force关闭。如果Catalina.sh的默认内容来配置tomcat服务，/etc/init.d/tomcat stop 也将会失效

查看Catalina.sh文件后找到以下代码，原来需要stop的话，需要CATALINA_PID文件配合。
Catalina.sh 468行

  if [ ! -z "$CATALINA_PID" ]; then
    if [ -f "$CATALINA_PID" ]; then
      if [ -s "$CATALINA_PID" ]; then
        kill -0 `cat "$CATALINA_PID"` >/dev/null 2>&1
        if [ $? -gt 0 ]; then
          echo "PID file found but no matching process was found. Stop aborted."
          exit 1
        fi
      else
        echo "PID file is empty and has been ignored."
      fi
    else
      echo "\$CATALINA_PID was set but the specified file does not exist. Is Tomcat running? Stop aborted."
      exit 1
    fi
  fi

CATALINA_PID的说明内容
Catalina.sh 89行

#   CATALINA_PID    (Optional) Path of the file which should contains the pid
#                   of the catalina startup java process, when start (fork) is
#                   used

解决办法就是,在配置Catalina.sh的环境变量时添加 CATALINA_PID 变量

#创建pid文件
touch  /usr/local/tomcat/logs/tomcat.pid
# 在/etc/init.d/tomcat头部增加环境变量配置
sed -i '1a\. /etc/init.d/functions' /etc/init.d/tomcat
sed -i '2a\:' /etc/init.d/tomcat
sed -i '3a\JAVA_HOME=/usr/local/jdk' /etc/init.d/tomcat
sed -i '4a\CATALINA_BASE=/usr/local/tomcat' /etc/init.d/tomcat
sed -i '5a\CATALINA_HOME=/usr/local/tomcat' /etc/init.d/tomcat
# 添加PID文件位置
sed -i ‘6a\CATALINA_PID=/usr/local/tomcat/logs/tomcat.pid' /etc/init.d/tomcat

最后
使用Catalina.sh方式单独运行tomcat时，建议在$CATALINA_HOME/bin下新建setenv.sh方式实现

参考
http://lovesoo.org/tomcat-process-fails-to-stop-problem-solving.html

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