ATLAS-2176: NegativeSSLAndKerberosTest failing due to error in initialization

repository/src/main/java/org/apache/atlas/repository/store/bootstrap/AtlasTypeDefStoreInitializer.java

@@ -118,6 +118,7 @@ public class AtlasTypeDefStoreInitializer implements ActiveStateChangeHandler {
             File   topModeltypesDir  = new File(modelsDirName);
             File[] modelsDirContents = topModeltypesDir.exists() ? topModeltypesDir.listFiles() : null;
 
+            if (modelsDirContents != null && modelsDirContents.length > 0) {
 	            Arrays.sort(modelsDirContents);
 
 	            for (File folder : modelsDirContents) {
@@ -129,6 +130,7 @@ public class AtlasTypeDefStoreInitializer implements ActiveStateChangeHandler {
 	                        loadModelsInFolder(folder);
 	                    }
 	            }
+            }
 
             // load any files in the top models folder and any associated patches.
             loadModelsInFolder(topModeltypesDir);