keith-turner commented on code in PR #6111:
URL: https://github.com/apache/accumulo/pull/6111#discussion_r2795513409


##########
core/src/main/java/org/apache/accumulo/core/iteratorsImpl/IteratorProperty.java:
##########
@@ -144,15 +144,22 @@ public static IteratorProperty parse(String property, 
String value) {
     check(iterPropParts.length == 4 || iterPropParts.length == 6, property, 
value);
     IteratorUtil.IteratorScope scope = 
IteratorUtil.IteratorScope.valueOf(iterPropParts[2]);
     String iterName = iterPropParts[3];
+    check(!iterName.isEmpty(), property, value);
 
     if (iterPropParts.length == 4) {
-      String[] valTokens = value.split(",");
+      String[] valTokens = value.split(",", -1);

Review Comment:
   Maybe preconditions was not used to avoid constructing the string.   
However, may be able to do that w/ preconditions.  Made a comment about that.



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