'Can't save your settings' Error when configuring 'Username mapping' for SAML SSO setup in Jira
Platform Notice: Data Center Only - This article only applies to Atlassian products on the Data Center platform.
Note that this KB was created for the Data Center version of the product. Data Center KBs for non-Data-Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
When configuring 'Username mapping' as ${NameID} as part of the SAML SSO setup, it fails with message, "Can't save your settings" as below:
The configuration saves fine with only $NameID and does not show any Errors. However, when adding curly braces '{}' around NameID, it fails with above Error.
Note: The correct format to configure the username mapping to use NameID claim from the SAML response is ${NameID}.
Environment
Jira Server/Data Center
Diagnosis
Bypassing the proxy as outlined in Bypass a proxy or SSL to test network connectivity for Jira server will fix the problem.
Turning off the web application firewall(WAF) will also fix the problem.
Cause
There is a configuration at Reverse proxy(App gateway with WAF)/load balancer or firewall that blocks some requests from Jira.
Solution
Network team needs to be engaged in order to look atreverseproxy configuration, as well as in theweb application firewall(WAF)settings.
Though we provide documents for implementation of proxy, issues related to Proxy/Load Balancer/WAF is out of scope for Atlassian Support as per Atlassian Support Offerings.
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