UnknownHostException: addr is of illegal length

Thank you for writing to us. Please follow the below steps and check on the issue:

1. Stop the NetFlow Analyzer service.

2. Edit the /etc/hosts entries as below

127.0.0.1 localhost ncm-test //where ncm-test is a machine name

{Serever IP} ncm-test.zohocorpin.com ncm-test // Where ncm-test.zohocorpin.com is FQDNand ncm-test is machine name

Note: make sure your /etc/host contains only the above two entries.

3. Delete the logs folder located under <NetFlow_Home>/

4. Restart the server once and check on the issue.