We have an integration with JIRA from our eForm application called AgilePoint, through calling the JIRA-API. It is working fine until yesterday; the connection stopped working and this error message appears.
—>The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.—>The remote certificate is invalid according to the validation procedure.
Anyone knows the root cause and how we can get this resolved?
It means that your SSL site certificate trust path cannot be validated by the JRE that Jira Cloud is running in. It means, most likely that you need a ‘better’ SSL certificate, it needs to have a CN that represents the DNS name the webserver was accessed through (wildcard certs are ok). We use the comodo ssl wildcard cert, works fine.
Have you tried using a JRE to create a simple SSL Socket to your target server? It will illustrate the problem nicely, see SSLPoke I contributed some decade ago
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