Description of problem:
We are not able to register KIE-server through business central console if we are accessing kie-server over https protocol. We can access kie-server REST API's(https://localhost:8443/kie-server/services/rest/server/)over https through browser but not able to register server.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Create https connector in standalone.xml file by adding following tag in 'web' subsystem
~~~
<connector name="https" protocol="HTTP/1.1" scheme="https" socket-binding="https" secure="true">
<ssl name="https" key-alias="mykey" password="password" certificate-key-file="/path/to/keystore.jks"/>
</connector>
~~~
2.Start server instance, login into business central console and go to "Deploy"-->"Rule Deployments"
3.Try to register KIE-server using following URL:
~~~
https://localhost:8443/kie-server/services/rest/server/
~~~
4. It fails with exception "Can't connect to endpoint."

Actual results:
Not able to register kie-server over https protocol.

Expected results:
Kie-server should be registered successfully over https protocol as well.

Additional info: