(iotdb) 01/01: Pipe: Fix the null pointer exception when the receiver closes the Session (#14446)

[rong]

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rong pushed a commit to branch cp14446
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit fdddee184b163a0fbb0f479607b4a9c0c82f76bf
Author: Zhenyu Luo <luoluoyuyu2...@gmail.com>
AuthorDate: Mon Dec 16 21:20:55 2024 +0800

    Pipe: Fix the null pointer exception when the receiver closes the Session 
(#14446)
    
    (cherry picked from commit 0d69f7149b8bdedaae62af20f0412fe2c6904959)
---
 .../java/org/apache/iotdb/db/protocol/session/SessionManager.java     | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/session/SessionManager.java
 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/session/SessionManager.java
index 647a4729bde..1656a536995 100644
--- 
a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/session/SessionManager.java
+++ 
b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/session/SessionManager.java
@@ -309,7 +309,9 @@ public class SessionManager implements SessionManagerMBean {
    */
   public void removeCurrSession() {
     IClientSession session = currSession.get();
-    sessions.remove(session);
+    if (session != null) {
+      sessions.remove(session);
+    }
     currSession.remove();
     currSessionIdleTime.remove();
   }