[dubbo] branch 3.1 updated: fix tri wrapper pack npe (#11656)

[earthchen]

This is an automated email from the ASF dual-hosted git repository.

earthchen pushed a commit to branch 3.1
in repository https://gitbox.apache.org/repos/asf/dubbo.git


The following commit(s) were added to refs/heads/3.1 by this push:
     new 9e38c48b68 fix tri wrapper pack npe (#11656)
9e38c48b68 is described below

commit 9e38c48b685b6e47862f697add746b018c745ab0
Author: earthchen <earthchen1...@gmail.com>
AuthorDate: Sat Feb 25 20:12:34 2023 +0800

    fix tri wrapper pack npe (#11656)
---
 .../apache/dubbo/rpc/protocol/tri/ReflectionPackableMethod.java    | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git 
a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/ReflectionPackableMethod.java
 
b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/ReflectionPackableMethod.java
index 39e16fa7cd..8667beb87a 100644
--- 
a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/ReflectionPackableMethod.java
+++ 
b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/ReflectionPackableMethod.java
@@ -360,6 +360,7 @@ public class ReflectionPackableMethod implements 
PackableMethod {
         private final String serialize;
         private final MultipleSerialization multipleSerialization;
         private final String[] argumentsType;
+        private final Class<?>[] actualRequestTypes;
         private final URL url;
         private final boolean singleArgument;
 
@@ -371,6 +372,7 @@ public class ReflectionPackableMethod implements 
PackableMethod {
             this.url = url;
             this.serialize = convertHessianToWrapper(serialize);
             this.multipleSerialization = multipleSerialization;
+            this.actualRequestTypes = actualRequestTypes;
             this.argumentsType = 
Stream.of(actualRequestTypes).map(Class::getName).toArray(String[]::new);
             this.singleArgument = singleArgument;
         }
@@ -388,9 +390,10 @@ public class ReflectionPackableMethod implements 
PackableMethod {
             for (String type : argumentsType) {
                 builder.addArgTypes(type);
             }
-            for (Object argument : arguments) {
+            for (int i = 0; i < arguments.length; i++) {
+                Object argument = arguments[i];
                 ByteArrayOutputStream bos = new ByteArrayOutputStream();
-                multipleSerialization.serialize(url, serialize, 
argument.getClass(), argument, bos);
+                multipleSerialization.serialize(url, serialize, 
actualRequestTypes[i], argument, bos);
                 builder.addArgs(bos.toByteArray());
             }
             return builder.build().toByteArray();