diff --git a/engine/src/core/com/jme3/scene/Mesh.java b/engine/src/core/com/jme3/scene/Mesh.java
index d779926c9..f4583973e 100644
--- a/engine/src/core/com/jme3/scene/Mesh.java
+++ b/engine/src/core/com/jme3/scene/Mesh.java
@@ -525,11 +525,10 @@ public class Mesh implements Savable, Cloneable {
         return collisionTree.collideWith(other, worldMatrix, worldBound, results);
     }
 
-//    public void setLodData(ShortBuffer[] lodData){
-//        this.lodData = lodData;
-//    }
-
     public void setBuffer(Type type, int components, FloatBuffer buf) {
+        if (components < 1 || components > 4)
+            throw new IllegalArgumentException("components must be between 1 and 4");
+
 //        VertexBuffer vb = buffers.get(type);
         VertexBuffer vb = buffers.get(type.ordinal());
         if (vb == null){
@@ -551,6 +550,9 @@ public class Mesh implements Savable, Cloneable {
     }
 
     public void setBuffer(Type type, int components, IntBuffer buf) {
+        if (components < 1 || components > 4)
+            throw new IllegalArgumentException("components must be between 1 and 4");
+
         VertexBuffer vb = buffers.get(type.ordinal());
         if (vb == null){
             vb = new VertexBuffer(type);
@@ -565,6 +567,9 @@ public class Mesh implements Savable, Cloneable {
     }
 
     public void setBuffer(Type type, int components, ShortBuffer buf) {
+        if (components < 1 || components > 4)
+            throw new IllegalArgumentException("components must be between 1 and 4");
+
         VertexBuffer vb = buffers.get(type.ordinal());
         if (vb == null){
             vb = new VertexBuffer(type);
@@ -579,6 +584,9 @@ public class Mesh implements Savable, Cloneable {
     }
 
     public void setBuffer(Type type, int components, ByteBuffer buf) {
+        if (components < 1 || components > 4)
+            throw new IllegalArgumentException("components must be between 1 and 4");
+        
         VertexBuffer vb = buffers.get(type.ordinal());
         if (vb == null){
             vb = new VertexBuffer(type);