From ab5c803a68f50c669a42221d3558ec3476d61e1a Mon Sep 17 00:00:00 2001
From: YevhenBondarenko <ybondarenko@thingsboard.io>
Date: Tue, 18 May 2021 17:40:00 +0300
Subject: [PATCH] refactored

---
 .../server/dao/device/DeviceCredentialsServiceImpl.java    | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/dao/src/main/java/org/thingsboard/server/dao/device/DeviceCredentialsServiceImpl.java b/dao/src/main/java/org/thingsboard/server/dao/device/DeviceCredentialsServiceImpl.java
index 5349df1fc7..3cce5e1506 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/device/DeviceCredentialsServiceImpl.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/device/DeviceCredentialsServiceImpl.java
@@ -158,7 +158,7 @@ public class DeviceCredentialsServiceImpl extends AbstractEntityService implemen
             throw new DataValidationException("Invalid credentials body for LwM2M credentials!");
         }
 
-        String credentialsId;
+        String credentialsId = null;
 
         switch (clientCredentials.getSecurityConfigClientMode()) {
             case NO_SEC:
@@ -181,8 +181,9 @@ public class DeviceCredentialsServiceImpl extends AbstractEntityService implemen
                     credentialsId = x509Config.getEndpoint();
                 }
                 break;
-            default:
-                throw new DataValidationException("Invalid credentials body for LwM2M credentials!");
+        }
+        if (credentialsId == null) {
+            throw new DataValidationException("Invalid credentials body for LwM2M credentials!");
         }
         deviceCredentials.setCredentialsId(credentialsId);
     }