From daed1c08c8f31050e8a2ece74f6769a2134be9da Mon Sep 17 00:00:00 2001
From: Mauro Javier Giamberardino <mgiamberardino@gmail.com>
Date: Tue, 28 Jun 2022 14:25:02 -0300
Subject: [PATCH] Fix access by array position in

---
 .../v3/parser/reference/ReferenceUtils.java       | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/reference/ReferenceUtils.java b/modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/reference/ReferenceUtils.java
index 3123d073cb..be0b1e005f 100644
--- a/modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/reference/ReferenceUtils.java
+++ b/modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/reference/ReferenceUtils.java
@@ -136,12 +136,17 @@ public static JsonNode jsonPointerEvaluate(String fragment, JsonNode tree, Strin
         String[] tokens = fragment.split("/");
         JsonNode node = tree;
         for (String token : tokens) {
-            if (StringUtils.isNotBlank(token)) {
+            if (StringUtils.isBlank(token)) {
+                continue;
+            }
+            if (node.isArray()) {
+                node = node.get(Integer.valueOf(token));
+            } else {
                 node = node.get(ReferenceUtils.unescapePointer(token));
-                //if at any point we do find an element we expect, print and error and abort
-                if (node == null) {
-                    throw new RuntimeException("Could not find " + fragment + " in contents of " + uri);
-                }
+            }
+            //if at any point we do find an element we expect, print and error and abort
+            if (node == null) {
+                throw new RuntimeException("Could not find " + fragment + " in contents of " + uri);
             }
         }
         return node;