Fix for issue #780

tsantalis · Sep 18, 2024 · ee9ff5e · ee9ff5e
1 parent a72ae04
commit ee9ff5e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/main/java/gr/uom/java/xmi/decomposition/VariableReplacementAnalysis.java b/src/main/java/gr/uom/java/xmi/decomposition/VariableReplacementAnalysis.java
@@ -499,7 +499,8 @@ private boolean equalType(VariableDeclaration removedVariable, VariableDeclarati
 		}
 		if(classDiff instanceof UMLClassBaseDiff) {
 			UMLTypeParameterListDiff listDiff = ((UMLClassBaseDiff)classDiff).getTypeParameterDiffList();
-			if(listDiff != null && removedVariable.getType().matchWithParentClassTypeParameterChange(addedVariable.getType(), listDiff.getTypeParameterDiffs())) {
+			if(listDiff != null && removedVariable.getType() != null && addedVariable.getType() != null &&
+					removedVariable.getType().matchWithParentClassTypeParameterChange(addedVariable.getType(), listDiff.getTypeParameterDiffs())) {
 				return true;
 			}
 		}