HelloLOD dies with a NPE when started, following is a patch to fix the issue.
see also:
http://www.jmonkeyengine.com/jmeforum/index.php?topic=9163.msg71978#msg71978
Index: src/com/jme/scene/lod/ClodMesh.java
===================================================================
--- src/com/jme/scene/lod/ClodMesh.java (revision 4031)
+++ src/com/jme/scene/lod/ClodMesh.java (working copy)
@@ -102,7 +102,7 @@
this(name, BufferUtils.clone(data.getVertexBuffer()),
BufferUtils.clone(data.getNormalBuffer()),
BufferUtils.clone(data.getColorBuffer()),
- new TexCoords(BufferUtils.clone(data.getTextureCoords(0).coords)),
+ new TexCoords(BufferUtils.clone(data.getTextureCoords(0)==null?null:data.getTextureCoords(0).coords)),
BufferUtils.clone(data.getIndexBuffer()), records);
}