From 80a782145222b9a8ae91acff4003e2731a7e5053 Mon Sep 17 00:00:00 2001
From: desoliture <ikozka@thingsboard.io>
Date: Wed, 8 Dec 2021 17:58:14 +0200
Subject: [PATCH] fix "password is empty" on only-white-spaces password

---
 .../service/security/auth/rest/RestLoginProcessingFilter.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/application/src/main/java/org/thingsboard/server/service/security/auth/rest/RestLoginProcessingFilter.java b/application/src/main/java/org/thingsboard/server/service/security/auth/rest/RestLoginProcessingFilter.java
index 76c0cd7a87..f9dbac87e9 100644
--- a/application/src/main/java/org/thingsboard/server/service/security/auth/rest/RestLoginProcessingFilter.java
+++ b/application/src/main/java/org/thingsboard/server/service/security/auth/rest/RestLoginProcessingFilter.java
@@ -73,7 +73,7 @@ public class RestLoginProcessingFilter extends AbstractAuthenticationProcessingF
             throw new AuthenticationServiceException("Invalid login request payload");
         }
 
-        if (StringUtils.isBlank(loginRequest.getUsername()) || StringUtils.isBlank(loginRequest.getPassword())) {
+        if (StringUtils.isBlank(loginRequest.getUsername()) || StringUtils.isEmpty(loginRequest.getPassword())) {
             throw new AuthenticationServiceException("Username or Password not provided");
         }