java eclipse tomcat jvisualvm 모니터링

jdk 1.6 이상

1. rmiregistry <port> &
-linux: \usr\local\jdk\bin\ rmiregistry <port> &
-windows: C:\Program Files\Java\jdk-1.8\bin start rmiregistry <port> 

2. policy
-linux: \usr\local\jdk\bin\jstatd.all.policy 
-windows: C:\Program Files\Java\jdk-1.8\bin

grant codebase "file:${java.home}/../lib/tools.jar"{
 permission java.security.AllPermission;
};

3. jstatd
-linux: ./jstatd -J-Djava.security.policy=jstatd.all.policy -J-Djava.rmi.server.hostname=<IP> -p <PORT> -J-Djava.class.path=/usr/local/java/lib/tools.jar &
-windows: start jstatd -J-Djava.security.policy=jstatd.all.policy -J-Djava.rmi.server.hostname=<IP> -p <PORT> -J-Djava.class.path="C:\Program Files\Java\jdk-1.8\lib\tools.jar"

4. jvisualvm.exe
- Advanced Settings port