From f247e96d97dfa136c553f9b359a47f33b2d60acf Mon Sep 17 00:00:00 2001
From: Sergey Matvienko <smatvienko@thingsboard.io>
Date: Mon, 15 Nov 2021 18:27:53 +0200
Subject: [PATCH] fixed NPE in case of incorrect partitioning name parameter
 (now you will see the normal log message with error)

---
 .../thingsboard/server/dao/timeseries/NoSqlTsPartitionDate.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dao/src/main/java/org/thingsboard/server/dao/timeseries/NoSqlTsPartitionDate.java b/dao/src/main/java/org/thingsboard/server/dao/timeseries/NoSqlTsPartitionDate.java
index 694ea9ba4d..9ed7494bf9 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/timeseries/NoSqlTsPartitionDate.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/timeseries/NoSqlTsPartitionDate.java
@@ -66,6 +66,6 @@ public enum NoSqlTsPartitionDate {
                 }
             }
         }
-        return Optional.of(partition);
+        return Optional.ofNullable(partition);
     }
 }