jetty software package provides Java servlet engine and webserver, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install jetty
jetty is installed in your system.
Make ensure the jetty package were installed using the commands given below,
$ sudo dpkg-query -l | grep jetty *
You will get with jetty package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Java |
| Package | jetty |
| Version | 6.1.26-1 |
| Description | Java servlet engine and webserver |
| Sub Section | Java |