From f882c45c8175808d044df834eb762ef79139041c Mon Sep 17 00:00:00 2001
From: Torben Burchgart <burchgart@predic8.de>
Date: Fri, 12 Jul 2024 14:29:18 +0200
Subject: [PATCH] Made initialization of ruleApiSpecs thread-safe inside
 ApiDocsInterceptor

---
 .../core/openapi/serviceproxy/ApiDocsInterceptor.java     | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/core/src/main/java/com/predic8/membrane/core/openapi/serviceproxy/ApiDocsInterceptor.java b/core/src/main/java/com/predic8/membrane/core/openapi/serviceproxy/ApiDocsInterceptor.java
index 1d56b3a9b..90c4ad691 100644
--- a/core/src/main/java/com/predic8/membrane/core/openapi/serviceproxy/ApiDocsInterceptor.java
+++ b/core/src/main/java/com/predic8/membrane/core/openapi/serviceproxy/ApiDocsInterceptor.java
@@ -40,9 +40,11 @@ public class ApiDocsInterceptor extends AbstractInterceptor {
 
     @Override
     public Outcome handleRequest(Exchange exc) throws Exception {
-        if(!initialized) {
-            ruleApiSpecs = initializeRuleApiSpecs();
-            initialized = true;
+        synchronized(this) {
+            if (!initialized) {
+                ruleApiSpecs = initializeRuleApiSpecs();
+                initialized = true;
+            }
         }
         var publisher = new OpenAPIPublisher(ruleApiSpecs);