what is the relationship between Application server and JVM?

java application-server
Simple-Solution picture Simple-Solution · Oct 10, 2013 · Viewed 13.3k times · Source

A quick question that come up to my mind and I thought to post it here to clarify my inner concerns.

What is the relationship between APP server (i.e. JBoss, WebLogic etc) and JVM?

Where is APP server located; does it run within JVM?

Many Thanks!

Answer

Masudul picture Masudul · Oct 10, 2013

In the case of Java application servers, the server behaves like an extended virtual machine for running applications, transparently handling connections to the database on one side, and, often, connections to the Web client on the other.

Related questions

Difference between an application server and a servlet container?

I am trying to understand the difference between a full fledged application server (e.g. Weblogic, JBoss etc.) and a servlet container (Tomcat, Jetty etc.). How do they differ and when to use which? Thanks,

Read More
GlassFish vs tomcat

I would like to start using JEE6 in the next project that I have to work on at my job, but there is also a limitation (sort of): Tomcat 5.5 My question is, what improvements would bring GlassFish to the table (…

Read More
Get the server port number from tomcat without a request

Is there any Tomcat API or configuration available which can tell an application (probably on startup), what port its running on without a request? Imagine a scenario where there are two web applications running in the same Tomcat and one …

Read More