minor bug fix

code/hpdos_server/app/src/main/java/hpdos/MetadataServer.java

@@ -62,7 +62,7 @@ public class MetadataServer {
     public boolean startFollowerServices() {
         // In case of followers NetworkHandler will only serve read requests for private metadata
         // Other network handler services will fail
-        this.server = ServerBuilder.forPort(ConfigConstants.PORT)
+        this.server = ServerBuilder.forPort(port)
                 .addService(new NetworkHandler(this.ioHandler))
                 .addService(new ReplicateHandler(this.ioHandler))
                 .build();