opensource network monitoring tools developed in java

Question

i want to know the best opensource network monitoring tool developed in java with very good support via forums and which should have the following features ..

• Fault and Alert mgmt
• Performance Poll graphs
• inventory mgmt
• config management

Answer 1

You could try JNM JNM

Answer 2

Check out Hyperic. http://www.hyperic.com/ Sounds like it will fit all your requirements and you can get commercial support should you need or want it.

Answer 3

Try OpenNMS http://www.opennms.org I have been supported by the community very well. Best avenue is IRC.