Can't link Crucible to Jira

[FSC SI BTN Atos]

When creating an applink from Crucible to JIRA I got:

No response was received from the URL you entered - it may not be valid. Please fix the URL below, if needed, and click Continue.

[David Di Blasio]

Hi, 

Typically this messaging comes up if there's an issue with communication between the 2 servers. Check out the following article for a few tests you can run to confirm if this is the case. 

https://confluence.atlassian.com/display/KB/Network+and+Connectivity+Troubleshooting+Guide

I'll also add in our guide on troubleshooting applications links as it covers most issues and scenarios one might run into. 

https://confluence.atlassian.com/display/KB/Application+Links+Troubleshooting+Guide