From cec371b894c31df5d1a7064fba63de18db3db9f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=A0=E7=BE=BD?= <zhangyu21@staff.weibo.com>
Date: Mon, 29 Apr 2019 21:52:43 +0800
Subject: [PATCH] feat: decouple attachments for request & response

---
 .../src/main/java/com/weibo/api/motan/rpc/DefaultProvider.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/motan-core/src/main/java/com/weibo/api/motan/rpc/DefaultProvider.java b/motan-core/src/main/java/com/weibo/api/motan/rpc/DefaultProvider.java
index 1ab7e170d..e962f9405 100644
--- a/motan-core/src/main/java/com/weibo/api/motan/rpc/DefaultProvider.java
+++ b/motan-core/src/main/java/com/weibo/api/motan/rpc/DefaultProvider.java
@@ -25,6 +25,7 @@
 import com.weibo.api.motan.util.LoggerUtil;
 
 import java.lang.reflect.Method;
+import java.util.HashMap;
 
 /**
  * @author maijunsheng
@@ -104,7 +105,7 @@ public Response invoke(Request request) {
         }
         // 传递rpc版本和attachment信息方便不同rpc版本的codec使用。
         response.setRpcProtocolVersion(request.getRpcProtocolVersion());
-        response.setAttachments(request.getAttachments());
+        response.setAttachments(new HashMap<>(request.getAttachments()));
         return response;
     }
 }