From 3b767a89313d5a62ad626cd40702a1a4ed03c75d Mon Sep 17 00:00:00 2001
From: Mohammed Rizwan <y.mohdriz@gmail.com>
Date: Fri, 12 Oct 2018 19:55:16 +0530
Subject: [PATCH] Fix for issue 872

Remove NPE logs by checking the null
---
 .../src/main/java/io/swagger/parser/SwaggerCompatConverter.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/swagger-compat-spec-parser/src/main/java/io/swagger/parser/SwaggerCompatConverter.java b/modules/swagger-compat-spec-parser/src/main/java/io/swagger/parser/SwaggerCompatConverter.java
index ac28712d79..16a2a76904 100644
--- a/modules/swagger-compat-spec-parser/src/main/java/io/swagger/parser/SwaggerCompatConverter.java
+++ b/modules/swagger-compat-spec-parser/src/main/java/io/swagger/parser/SwaggerCompatConverter.java
@@ -210,7 +210,7 @@ public ResourceListing readResourceListing(String input, MessageBuilder messages
                 jsonNode = Json.mapper().readTree(json);
 
             }
-            if (jsonNode.get("swaggerVersion") == null) {
+            if (jsonNode == null || jsonNode.get("swaggerVersion") == null) {
                 return null;
             }
             ResourceListingMigrator migrator = new ResourceListingMigrator();