integration Jira/application links Edited

[v_grytsay]

Hello guys!

After adding a link to Jira, a warning is displayed:

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

logs text:

2020-11-05 12:27:39,270 ERROR [https-jsse-nio2-8443-exec-2] [core.rest.ui.CreateApplicationLinkUIResource] tryToFetchManifest ManifestNotFoundException thrown while retrieving manifest
-- referer: https://server-atlassian/plugins/servlet/applinks/listApplicationLinks | url: /rest/applinks/3.0/applicationlinkForm/manifest.json | traceId: e19de71249549899 | userName: admin
com.atlassian.applinks.spi.manifest.ManifestNotFoundException: java.net.UnknownHostException: http://192.168.1.10: Name or service not known

192.168.1.10 - example of server proxy

In /etc/hosts added string:

192.168.1.10 dns

I tried to save file "hosts" and restart confluence application, but warning is still here