From 2697652e746330e5156f3c899f50c73063f51c8c Mon Sep 17 00:00:00 2001
From: TomlongTK <longqiang02@maoyan.com>
Date: Wed, 20 Sep 2023 10:19:16 +0800
Subject: [PATCH] Fix concurrency problem when receive ResetFrame and HeadFrame
 (#13062)

---
 .../apache/dubbo/rpc/protocol/tri/call/AbstractServerCall.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/call/AbstractServerCall.java b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/call/AbstractServerCall.java
index 8dddc8daf6..7f687a3485 100644
--- a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/call/AbstractServerCall.java
+++ b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/call/AbstractServerCall.java
@@ -229,6 +229,9 @@ public abstract class AbstractServerCall implements ServerCall, ServerStream.Lis
     @Override
     public final void onCancelByRemote(TriRpcStatus status) {
         closed = true;
+        if (listener == null) {
+            return;
+        }
         cancellationContext.cancel(status.cause);
         listener.onCancel(status);
     }