Unlock a world of possibilities! Login now and discover the exclusive benefits awaiting you.
Feb 10, 2021 5:54:41 AM
Sep 26, 2014 7:14:36 AM
The following errors may be experienced when accessing the Qlik Sense Hub:
OR
From Proxy > Trace > Audit:
18 20191107T180810.403-0500 WARN servername Audit.Proxy.Proxy.Core.Connection.Validation.ConnectionDataValidator 25 b3fbafe9-7fba-4cca-8113-587ff923c31e domain\user Http request Host is not allowed: host.fqdn.local 0 c986fb07-a8b8-49c1-9e5c-ac7f56a303a1 ::ffff:127.0.0.1 {header} 21b23e5e635767f3b18a1adbf9f7b62e97100f04
Refreshing the page does not resolve the issue...
An error occurred
Connection lost. Make sure the Qlik Sense is running properly. If your session has timed out due to inactivity, reconnect to Qlik Sense to continue working.
OR
OR
400 Bad Request
The http request header is incorrect
Environment:
The "Connection lost" error message commonly occurs when:
This is a general connectivity / websocket related error. It can have a variety of root causes.
Qlik Sense requires WebSockets to be enabled. Third party proxies/reverse proxies or firewalls may not be configured correctly to allow Websocket traffic. Verify if this technology is enabled by navigating to https://websocketstest.com/ from an affected client.
For detailed instructions, see How to configure the WebSocket origin white list and best practices.
To add an address to the White List, perform the following steps:
Hub access times out with: Error Connection lost. Make sure that Qlik Sense is running properly
For assistance in troubleshooting issues with Qlik Sense Hub connectivity and much more, join Qlik community; Connect and learn from over 60.000 active users, find answers, and discover best practices and tips and tricks.