RestartEndpoint fixed (spring-projects#366)

* RestartEndpoint fixed

* method naming fix

Author: plajko

spring-cloud-context/src/main/java/org/springframework/cloud/context/restart/RestartEndpoint.java

@@ -18,6 +18,7 @@
 
 import java.io.Closeable;
 import java.io.IOException;
+import java.util.Collections;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -86,8 +87,14 @@ public void onApplicationEvent(ApplicationPreparedEvent input) {
 	}
 
 	@WriteOperation
-	// FIXME: map with "message: Restarting" or couldn't restart
-	public Boolean restart() {
+	public Object restart() {
+		Thread thread = new Thread(this::safeRestart);
+		thread.setDaemon(false);
+		thread.start();
+		return Collections.singletonMap("message", "Restarting");
+	}
+
+	private Boolean safeRestart() {
 		try {
 			doRestart();
 			logger.info("Restarted");