Welcome,
HTest is a web gui front end for JPOS Q2 services that should be very usefull for your development and testing of ISO8583 payment systems.
At the very least the generated xml config files and scripts should kick start your learning of JPOS EE Q2 architecture and practices.
It provides the following features :
- Create and edit ISO8583 server and client connections via web based GUI
- Beanshell scriptable ISOchannel that provides raw hexdump of channel messages.
- Auto conversion from ISO message to http xml format for easier webservice integration
- Send ISOMessage trough easy customizable web GUI interface with detailed debugging info

Download it here
After you download it, just point your browser too
http://localhost:9090/jposee
username: admin password: test
And the menus should be self explanatory
Documentation here
Edit, on some zip files the executable jar is named jpos-ee.jar on others its Htest.jar So make sure type the correct name "java -jar jarname.jar"