Java refusing certificate that browser accepts

Question

I\'m having trouble configuring a valid certificate (not self-signed!) in Wildfly 9. I have configured the HTTPS connector in Wildfly:

Answer 1

The problem here is that Java by default comes with a very limited set of root CA certificates. It "accepts" far fewer CAs than a typical browser. The simplest way to solve the problem is to export a set of CA certificates from a browser like Chrome or Firefox and import them into Java's keystore using keytool.