...
If you are using your own integration with the use of XTM API, sometimes you might report an issue with SSL certification, accompanied by the following error message in your logs, as which is part of a bigger error stack. More specifically, the said error in question is related to the connection failing during the SSL handshake.
...
Most probably, the root cause of the issue lies on the side of your own integration, in which you . You might have either faultily built your integration or not updated your SSL certificate in compliance with global standards.
On one hand, the PKIX Path Building Failed error shown in the log might lead you to the following Attlasian article, which might help you find the actual root cause of the issue and resolve the problem: Unable to Connect to SSL Services Due to 'PKIX Path Building Failed' Error in Jira Datacenter and Server.
However, the issue usually lies in your application’s java certificate store, where your SSL certificate is simply has not been updated.
On the XTM Cloud side, the SSL certificate is updated every 3 months, in accordance with a global standard practice, and it is done automatically.
Find the article below for more information: Why ninety-day lifetimes for certificates?. Keep in mind that this is not something XTM can add an exception to, as it is out of our XTM control, and more of a requirement imposed by the certificate authority.