There is a quite a lot of failures in job: https://dev-platform-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/view/Devstudio/view/devstudio_integration_tests/job/central.itests/

There can be 2 approaches:

• Downgrade used server to EAP 6.4(quickstarts in central are probably for this server) and fix java settings for it
  or
• Upgrade server to the latest version, but expect a lot of failures due to old quickstarts.

I prefer the 1st approach.