kamailio-java-modules software package provides contains the app_java module, you can install in your Ubuntu 17.04 (Zesty Zapus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install kamailio-java-modules
kamailio-java-modules is installed in your system.
Make ensure the kamailio-java-modules package were installed using the commands given below,
$ sudo dpkg-query -l | grep kamailio-java-modules *
You will get with kamailio-java-modules package name, version, architecture and description in a table
| Distro | Ubuntu 17 04 zesty zapus |
| Section | Network |
| Package | kamailio-java-modules |
| Version | 4.4.2-3ubuntu3 |
| Description | contains the app_java module |
| Sub Section | net |