From 21ad2869b199428fbe937ee46ec9f64308b346b2 Mon Sep 17 00:00:00 2001
From: patrickcisco <priel@cisco.com>
Date: Tue, 10 Dec 2019 22:04:15 -0800
Subject: [PATCH] fixing an issue where serverPort from additional-properties
 is interpreted as a string... causing the default to always be used (#4764)

---
 .../codegen/languages/GoServerCodegen.java            | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoServerCodegen.java
index 211dcdadb99..e37f80bf409 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoServerCodegen.java
@@ -144,10 +144,19 @@ public class GoServerCodegen extends AbstractGoCodegen {
 
         if (additionalProperties.containsKey("serverPort") && additionalProperties.get("serverPort") instanceof Integer) {
             this.setServerPort((int) additionalProperties.get("serverPort"));
+        } else if (additionalProperties.containsKey("serverPort") && additionalProperties.get("serverPort") instanceof String){
+            try {
+                this.setServerPort(Integer.parseInt(additionalProperties.get("serverPort").toString()));
+                additionalProperties.put("serverPort", serverPort);
+            }
+            catch (NumberFormatException e)
+            {
+                LOGGER.warn("serverPort is not a valid integer... defaulting to {}", serverPort);
+                additionalProperties.put("serverPort", serverPort);
+            }
         } else {
             additionalProperties.put("serverPort", serverPort);
         }
-
         if (additionalProperties.containsKey("featureCORS")) {
             this.setFeatureCORS(convertPropertyToBooleanAndWriteBack("featureCORS"));
         } else {