Replace System.exit with Runtime.getRuntime.halt

openvidu-server/src/main/java/io/openvidu/server/kurento/kms/FixedOneKmsManager.java

@@ -104,7 +104,7 @@ public class FixedOneKmsManager extends KmsManager {
 		} catch (Exception e) {
 			// Some KMS wasn't reachable
 			log.error("Shutting down OpenVidu Server");
-			System.exit(1);
+			Runtime.getRuntime().halt(1);
 		}
 	}
 

openvidu-server/src/main/java/io/openvidu/server/recording/service/RecordingManager.java

@@ -157,7 +157,7 @@ public class RecordingManager {
 							+ "\" set with system property \"OPENVIDU_RECORDING_CUSTOM_LAYOUT\"";
 				}
 				log.error(finalErrorMessage + ". Shutting down OpenVidu Server");
-				System.exit(1);
+				Runtime.getRuntime().halt(1);
 			}
 		} else {
 			log.info("OpenVidu recording service is disabled");