spring-projects/spring-xd — pull request #788 by ilayaperumalg (2014-04-29 03:38:27+00:00)
Title: XD-1642 Fail fast admin on startup failure

- Add `AdminPortAvailablityInitializer` to check if the admin port being used is already in use
- Throw `AdminPortNotAvailableException` if the port is in use
- Handle any `EmbeddedServletContainerException` and exit the admin server if thrown