Fix for #783? Unit test needed.

Marek Paterczyk · Marek Paterczyk · commit 800a639b2329 · 2017-05-18T11:22:47.000-04:00
diff --git a/crud/src/main/java/com/redhat/lightblue/eval/SetExpressionEvaluator.java b/crud/src/main/java/com/redhat/lightblue/eval/SetExpressionEvaluator.java
@@ -139,7 +139,9 @@ public SetExpressionEvaluator(JsonNodeFactory factory, FieldTreeNode context, Se
             } else if (mdNode instanceof ArrayField) {
                 data = initializeArray(rvalue, refMdNode, mdNode, field, refPath);
             }
-            setValues.add(data);
+            if (data != null) {
+                setValues.add(data);
+            }
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -139,7 +139,9 @@ public SetExpressionEvaluator(JsonNodeFactory factory, FieldTreeNode context, Se`
`139`	`139`	`} else if (mdNode instanceof ArrayField) {`
`140`	`140`	`data = initializeArray(rvalue, refMdNode, mdNode, field, refPath);`
`141`	`141`	`}`
`142`		`- setValues.add(data);`
	`142`	`+ if (data != null) {`
	`143`	`+ setValues.add(data);`
	`144`	`+ }`
`143`	`145`	`}`
`144`	`146`	`}`
`145`	`147`