Glassfish Server Error when deploy .war: Error occurred during deployment: Exception while preparing the app : Invalid resource

I am using the following: NetBeans IDE 7.3 (Build 201306052037) Java: 1.7.0_17; Java HotSpot(TM) 64-Bit Server VM 23.7-b01 NetBeans integrated GlassFish Server Open Source Edition 3.1.2.2 (build 5...