java - What is the difference between Tomcat, JBoss and Glassfish? -

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i starting enterprise java , book following mentions use jboss. netbeans ships glassfish. have used tomcat in past.

what differences between these 3 programs?

tomcat servlet container, i.e. implements servlets , jsp specification. glassfish , jboss full java ee servers (including stuff ejb, jms, ...), glassfish being reference implementation of latest java ee 6 stack, jboss in 2010 not supporting yet.


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