Host Controller can not reconnect to Domain Controller after the connection is closed unexpectedly in the JBoss EAP 7

Issue

• The connection to Domain Controller closed unexpectedly and the Host Controller can not reconnect with following error:

  Domain Controller host-controller.log:

  WARN  [org.jboss.as.domain.controller] (management I/O-1) WFLYHC0030: Connection to remote host "hostcontroller-01" closed unexpectedly
  INFO  [org.jboss.as.protocol] (management I/O-1) WFLYPRT0057:  cancelled task by interrupting thread Thread[Host Controller Service Threads - 209,5,Host Controller Service Threads]
  INFO  [org.jboss.as.protocol] (management I/O-2) WFLYPRT0057:  cancelled task by interrupting thread Thread[Host Controller Service Threads - 209,5,Host Controller Service Threads]
  

  Host Controller host-controller.log:

  INFO  [org.jboss.as.host.controller] (Host Controller Service Threads - 377) WFLYHC0150: Trying to reconnect to master host controller.
  ERROR [org.jboss.as.host.controller] (Host Controller Service Threads - 381) WFLYHC0143: Failed to apply domain-wide configuration from master host controller. Operation outcome: failed. Failure description "WFLYCTL0313: Unauthorized to execute operation 'server-set-reload-required' for resource '[]' -- \"WFLYCTL0332: Permission denied\""
  

• Slaves no longer connected to console