From e0ab06fe8de14e01f15c536f0883ea4f71bad299 Mon Sep 17 00:00:00 2001
From: Oleg Cherednik <oleg.cherednik@gmail.com>
Date: Wed, 3 Jan 2024 21:43:28 +0300
Subject: [PATCH] api

---
 .../json/jackson/enumid/EnumIdDeserializers.java           | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/main/java/ru/olegcherednik/json/jackson/enumid/EnumIdDeserializers.java b/src/main/java/ru/olegcherednik/json/jackson/enumid/EnumIdDeserializers.java
index b4bc6ae..7428e46 100644
--- a/src/main/java/ru/olegcherednik/json/jackson/enumid/EnumIdDeserializers.java
+++ b/src/main/java/ru/olegcherednik/json/jackson/enumid/EnumIdDeserializers.java
@@ -49,9 +49,9 @@ final class EnumIdDeserializers extends SimpleDeserializers {
     private final Map<Class<?>, JsonDeserializer<?>> cache = new HashMap<>();
 
     @Override
-    public JsonDeserializer<?> findEnumDeserializer(Class<?> type,
-                                                    DeserializationConfig config,
-                                                    BeanDescription beanDesc) throws JsonMappingException {
+    public synchronized JsonDeserializer<?> findEnumDeserializer(Class<?> type,
+                                                                 DeserializationConfig config,
+                                                                 BeanDescription beanDesc) throws JsonMappingException {
         return cache.computeIfAbsent(type, cls -> {
             Function<String, ?> read = EnumIdSupport.createFactory(type);
 
@@ -68,7 +68,6 @@ public Object getNullValue(DeserializationContext ctxt) throws JsonMappingExcept
                 }
             };
         });
-
     }
 
 }