Shutdown tomcat using web application deployed in it

 

I've some doubt about tomcat operation which come across my webapp development:

  • Is there any way to shutdown tomcat itself from the webapp deployed in it?
  • Is tomcat is running all of its webapps/war inside one JVM or individual JVM or its configurable in some configuration file?
  • Is it possible to increase the java heap size for particular webapp deployed inside tomcat?

    • Thanks a lot.

  • Open TCP connection from some servlet and send "SHUTDOWN" to Tomcat's shutdown port (default: 8005).
  • One Tomcat uses one JVM for all applications.
  • No. Only for the entire JVM.

    • Here's code for point 1: 

    Socket clientSocket = new Socket("localhost", 8005);
clientSocket.getOutputStream().write("SHUTDOWN".getBytes());
clientSocket.getOutputStream().close();
clientSocket.close();
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