[dubbo] branch 3.2 updated: Generic call by gson support null args (#12832)

[albumenj]

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

albumenj pushed a commit to branch 3.2
in repository https://gitbox.apache.org/repos/asf/dubbo.git


The following commit(s) were added to refs/heads/3.2 by this push:
     new b39a1e82e1 Generic call by gson support null args (#12832)
b39a1e82e1 is described below

commit b39a1e82e1a1b9bd018405e54d5680b0d587f519
Author: TomlongTK <longqian...@maoyan.com>
AuthorDate: Thu Aug 3 21:42:56 2023 +0800

    Generic call by gson support null args (#12832)
---
 .../src/main/java/org/apache/dubbo/rpc/filter/GenericFilter.java       | 3 +++
 1 file changed, 3 insertions(+)

diff --git 
a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericFilter.java
 
b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericFilter.java
index a63ef57eb8..d78a35ebaf 100644
--- 
a/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericFilter.java
+++ 
b/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/filter/GenericFilter.java
@@ -208,6 +208,9 @@ public class GenericFilter implements Filter, 
Filter.Listener, ScopeModelAware {
 
     private Object[] getGsonGenericArgs(final Object[] args, Type[] types) {
         return IntStream.range(0, args.length).mapToObj(i -> {
+            if (args[i] == null) {
+                return null;
+            }
             if (!(args[i] instanceof String)) {
                 throw new RpcException("When using GSON to deserialize generic 
dubbo request arguments, the arguments must be of type String");
             }