From 60088164a6eda5fcd98f81c51ad40845a50068f8 Mon Sep 17 00:00:00 2001
From: Igor Kulikov <ikulikov@thingsboard.io>
Date: Tue, 8 Nov 2022 16:44:27 +0200
Subject: [PATCH] Fix NPE in CacheSpecMap when specs is not specified.

---
 .../java/org/thingsboard/server/cache/CacheSpecsMap.java  | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/common/cache/src/main/java/org/thingsboard/server/cache/CacheSpecsMap.java b/common/cache/src/main/java/org/thingsboard/server/cache/CacheSpecsMap.java
index 808bfc82f7..6910325add 100644
--- a/common/cache/src/main/java/org/thingsboard/server/cache/CacheSpecsMap.java
+++ b/common/cache/src/main/java/org/thingsboard/server/cache/CacheSpecsMap.java
@@ -38,9 +38,11 @@ public class CacheSpecsMap {
 
     @PostConstruct
     public void replaceTheJWTTokenRefreshExpTime() {
-        var cacheSpecs = specs.get(CacheConstants.USERS_SESSION_INVALIDATION_CACHE);
-        if (cacheSpecs != null) {
-            cacheSpecs.setTimeToLiveInMinutes((refreshTokenExpTime / 60) + 1);
+        if (specs != null) {
+            var cacheSpecs = specs.get(CacheConstants.USERS_SESSION_INVALIDATION_CACHE);
+            if (cacheSpecs != null) {
+                cacheSpecs.setTimeToLiveInMinutes((refreshTokenExpTime / 60) + 1);
+            }
         }
     }