diff --git a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/GenericServiceTest.java b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/GenericServiceTest.java
index 529bbcbd03a..0c0f4928ad0 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/GenericServiceTest.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/GenericServiceTest.java
@@ -149,13 +149,45 @@ public void testGenericSerializationJava() throws Exception {
                 String name = "kimi";
                 ByteArrayOutputStream bos = new ByteArrayOutputStream(512);
                 ExtensionLoader.getExtensionLoader(Serialization.class)
-                    .getExtension("java").serialize(null, bos).writeObject(name);
+                    .getExtension("nativejava").serialize(null, bos).writeObject(name);
                 byte[] arg = bos.toByteArray();
                 Object obj = genericService.$invoke("sayName", new String[]{String.class.getName()}, new Object[]{arg});
                 Assert.assertTrue(obj instanceof byte[]);
                 byte[] result = (byte[]) obj;
                 Assert.assertEquals(ref.sayName(name), ExtensionLoader.getExtensionLoader(Serialization.class)
-                    .getExtension("java").deserialize(null, new ByteArrayInputStream(result)).readObject().toString());
+                    .getExtension("nativejava").deserialize(null, new ByteArrayInputStream(result)).readObject().toString());
+
+                // getUsers
+                List<User> users = new ArrayList<User>();
+                User user = new User();
+                user.setName(name);
+                users.add(user);
+                bos = new ByteArrayOutputStream(512);
+                ExtensionLoader.getExtensionLoader(Serialization.class)
+                    .getExtension("nativejava").serialize(null, bos).writeObject(users);
+                obj = genericService.$invoke("getUsers",
+                                             new String[]{List.class.getName()},
+                                             new Object[]{bos.toByteArray()});
+                Assert.assertTrue(obj instanceof byte[]);
+                result = (byte[]) obj;
+                Assert.assertEquals(users,
+                                    ExtensionLoader.getExtensionLoader(Serialization.class)
+                                        .getExtension("nativejava")
+                                        .deserialize(null, new ByteArrayInputStream(result))
+                                        .readObject());
+
+                // echo(int)
+                bos = new ByteArrayOutputStream(512);
+                ExtensionLoader.getExtensionLoader(Serialization.class).getExtension("nativejava")
+                    .serialize(null, bos).writeObject(Integer.MAX_VALUE);
+                obj = genericService.$invoke("echo", new String[]{int.class.getName()}, new Object[]{bos.toByteArray()});
+                Assert.assertTrue(obj instanceof byte[]);
+                Assert.assertEquals(Integer.MAX_VALUE,
+                                    ExtensionLoader.getExtensionLoader(Serialization.class)
+                                        .getExtension("nativejava")
+                                        .deserialize(null, new ByteArrayInputStream((byte[]) obj))
+                                        .readObject());
+
             } finally {
                 reference.destroy();
             }
diff --git a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/api/DemoService.java b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/api/DemoService.java
index 8615a26a3b3..e82bf2d7f67 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/api/DemoService.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/api/DemoService.java
@@ -13,18 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.alibaba.dubbo.config.api;
+package com.alibaba.dubbo.config.api;
 
 import java.util.List;
-
-
-/**
- * DemoService
- * 
- * @author william.liangf
- */
+
+
+/**
+ * DemoService
+ * 
+ * @author william.liangf
+ */
 public interface DemoService {
-    
+    
     String sayName(String name);
     
     Box getBox();
@@ -32,5 +32,7 @@ public interface DemoService {
     void throwDemoException() throws DemoException;
     
     List<User> getUsers(List<User> users);
-    
+
+    int echo(int i);
+    
 }
\ No newline at end of file
diff --git a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/api/User.java b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/api/User.java
index 249a0ee1aa2..9840a4aa151 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/api/User.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/api/User.java
@@ -43,4 +43,24 @@ public void setName(String name) {
         this.name = name;
     }
 
+    @Override
+    public int hashCode() {
+        return name == null ? -1 : name.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof User)) {
+            return false;
+        }
+        User other = (User) obj;
+        if (this == other) {
+            return true;
+        }
+        if (name != null && other.name != null) {
+            return name.equals(other.name);
+        }
+        return false;
+    }
+
 }
diff --git a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/DemoServiceImpl.java b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/DemoServiceImpl.java
index 2d1dd9aac25..b2b89a4e62c 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/DemoServiceImpl.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/DemoServiceImpl.java
@@ -13,24 +13,24 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.alibaba.dubbo.config.provider.impl;
-
+package com.alibaba.dubbo.config.provider.impl;
+
 import java.util.List;
 
 import com.alibaba.dubbo.config.api.Box;
 import com.alibaba.dubbo.config.api.DemoException;
 import com.alibaba.dubbo.config.api.DemoService;
 import com.alibaba.dubbo.config.api.User;
-
-/**
- * DemoServiceImpl
- * 
- * @author william.liangf
- */
+
+/**
+ * DemoServiceImpl
+ * 
+ * @author william.liangf
+ */
 public class DemoServiceImpl implements DemoService {
-    
-    public String sayName(String name) {
-        return "say:" + name;
+    
+    public String sayName(String name) {
+        return "say:" + name;
     }
     
     public Box getBox() {
@@ -44,5 +44,9 @@ public void throwDemoException() throws DemoException {
     public List<User> getUsers(List<User> users) {
         return users;
     }
-    
+
+    public int echo(int i) {
+        return i;
+    }
+    
 }
\ No newline at end of file
diff --git a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/DemoServiceImpl_LongWaiting.java b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/DemoServiceImpl_LongWaiting.java
index cb4a52b10b1..1b3795ab8ae 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/DemoServiceImpl_LongWaiting.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/DemoServiceImpl_LongWaiting.java
@@ -48,5 +48,9 @@ public void throwDemoException() throws DemoException {
     public List<User> getUsers(List<User> users) {
         return users;
     }
+
+    public int echo(int i) {
+        return i;
+    }
     
 }
\ No newline at end of file
diff --git a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/UnserializableBoxDemoServiceImpl.java b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/UnserializableBoxDemoServiceImpl.java
index 118d934a5dd..a3b7d9d50f7 100644
--- a/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/UnserializableBoxDemoServiceImpl.java
+++ b/dubbo-config/dubbo-config-api/src/test/java/com/alibaba/dubbo/config/provider/impl/UnserializableBoxDemoServiceImpl.java
@@ -44,5 +44,9 @@ public void throwDemoException() throws DemoException {
     public List<User> getUsers(List<User> users) {
         return users;
     }
+
+    public int echo(int i) {
+        return i;
+    }
     
 }
\ No newline at end of file
diff --git a/dubbo-rpc/dubbo-rpc-api/src/main/java/com/alibaba/dubbo/rpc/filter/GenericFilter.java b/dubbo-rpc/dubbo-rpc-api/src/main/java/com/alibaba/dubbo/rpc/filter/GenericFilter.java
index 4a2a46d8f55..af916f6fe73 100644
--- a/dubbo-rpc/dubbo-rpc-api/src/main/java/com/alibaba/dubbo/rpc/filter/GenericFilter.java
+++ b/dubbo-rpc/dubbo-rpc-api/src/main/java/com/alibaba/dubbo/rpc/filter/GenericFilter.java
@@ -69,7 +69,8 @@ public Result invoke(Invoker<?> invoker, Invocation inv) throws RpcException {
                             try {
                                 UnsafeByteArrayInputStream is = new UnsafeByteArrayInputStream((byte[])args[i]);
                                 args[i] = ExtensionLoader.getExtensionLoader(Serialization.class)
-                                    .getExtension(Constants.GENERIC_SERIALIZATION_JAVA).deserialize(null, is).readObject();
+                                    .getExtension(getSerializationExtension(Constants.GENERIC_SERIALIZATION_JAVA))
+                                    .deserialize(null, is).readObject();
                             } catch (Exception e) {
                                 throw new RpcException("Deserialize argument [" + (i + 1) + "] failed.", e);
                             }
@@ -93,7 +94,8 @@ public Result invoke(Invoker<?> invoker, Invocation inv) throws RpcException {
                     try {
                         UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream(512);
                         ExtensionLoader.getExtensionLoader(Serialization.class)
-                            .getExtension(Constants.GENERIC_SERIALIZATION_JAVA).serialize(null, os).writeObject(result.getValue());
+                            .getExtension(getSerializationExtension(Constants.GENERIC_SERIALIZATION_JAVA))
+                            .serialize(null, os).writeObject(result.getValue());
                         return new RpcResult(os.toByteArray());
                     } catch (IOException e) {
                         throw new RpcException("Serialize result failed.", e);
@@ -110,4 +112,7 @@ public Result invoke(Invoker<?> invoker, Invocation inv) throws RpcException {
         return invoker.invoke(inv);
     }
 
+    private String getSerializationExtension(String generic) {
+        return "nativejava";
+    }
 }
\ No newline at end of file