MINOR: Add explicit exception when no more buffer can be read when loading buffers

Author: viirya

vector/src/main/java/org/apache/arrow/vector/VectorLoader.java

@@ -122,6 +122,10 @@ private void loadBuffers(
         (int) (variadicBufferLayoutCount + TypeLayout.getTypeBufferCount(field.getType()));
     List<ArrowBuf> ownBuffers = new ArrayList<>(bufferLayoutCount);
     for (int j = 0; j < bufferLayoutCount; j++) {
+      if (!buffers.hasNext()) {
+        throw new IllegalArgumentException(
+            "no more buffers for field " + field + ". Expected " + bufferLayoutCount);
+      }
       ArrowBuf nextBuf = buffers.next();
       // for vectors without nulls, the buffer is empty, so there is no need to decompress it.
       ArrowBuf bufferToAdd =