libjetty-extra-java software package provides Java servlet engine and webserver -- extra libraries, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libjetty-extra-java
libjetty-extra-java is installed in your system.
Make ensure the libjetty-extra-java package were installed using the commands given below,
$ sudo dpkg-query -l | grep libjetty-extra-java *
You will get with libjetty-extra-java package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Java |
| Package | libjetty-extra-java |
| Version | 6.1.26-4 |
| Description | Java servlet engine and webserver -- extra libraries |
| Sub Section | Java |