From 81bad75b7b74c1883edecaf481be0b9dce27f7c2 Mon Sep 17 00:00:00 2001
From: "ken.lj" <ken.lj.hz@gmail.com>
Date: Sat, 7 May 2022 14:39:41 +0800
Subject: [PATCH] fix getAttachment, return default value (#10008)

---
 .../src/main/java/org/apache/dubbo/rpc/RpcInvocation.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/RpcInvocation.java b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/RpcInvocation.java
index db9a7e7cb3..c31c0a80b6 100644
--- a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/RpcInvocation.java
+++ b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/RpcInvocation.java
@@ -513,7 +513,7 @@ public class RpcInvocation implements Invocation, Serializable {
                 return strValue;
             }
         }
-        return null;
+        return defaultValue;
     }
 
     @Deprecated