[iotdb] 08/09: fix bug

[ge...@apache.org]

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geniuspig pushed a commit to branch change_listener_to_visitor_0.11
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit 51c89e32caa9aae744eaac180a05dd9a0cd5d949
Author: Boris <96...@qq.com>
AuthorDate: Mon Nov 16 18:37:57 2020 +0800

    fix bug
---
 server/src/main/java/org/apache/iotdb/db/metadata/MManager.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/server/src/main/java/org/apache/iotdb/db/metadata/MManager.java b/server/src/main/java/org/apache/iotdb/db/metadata/MManager.java
index ae3b252..44d2bd2 100644
--- a/server/src/main/java/org/apache/iotdb/db/metadata/MManager.java
+++ b/server/src/main/java/org/apache/iotdb/db/metadata/MManager.java
@@ -1256,7 +1256,10 @@ public class MManager {
       }
     }
 
-    pair.right.putAll(attributesMap);
+    if (attributesMap != null) {
+      pair.right.putAll(attributesMap);
+    }
+
 
     // persist the change to disk
     tagLogFile.write(pair.left, pair.right, leafMNode.getOffset());