Here, this will save you a lot of trouble:
https://jme.dev.java.net/source/browse/jme/src/jmetest/TutorialGuide/
specifically:
https://jme.dev.java.net/source/browse/jme/src/jmetest/TutorialGuide/HelloModelLoading.java?rev=1.3&view=markup
thanks very much guys u see is working now
thanks