Issue 1:
I have searched the issues of this repository and believe that this is not a duplicate.

I have checked the FAQ of this repository and believe that this is not a duplicate.

Environment

Dubbo version: 2.7.4.1

Java version: 1.8

Actual Result

dubbo/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/proxy/javassist/JavassistProxyFactory.java

Line 28
in
938a466

* JavaassistRpcProxyFactory

/**
* JavaassistRpcProxyFactory
*/

Expected Result

/**
* JavassistRpcProxyFactory
*/

Issue 2:
I have searched the issues of this repository and believe that this is not a duplicate.

I have checked the FAQ of this repository and believe that this is not a duplicate.

Environment

Dubbo version: 2.7.2

Operating System version: windows 10

Java version: 1.8

Steps to reproduce this issue

using generic types(say List<PersonTest> or Map<String, List<PersonTest>>) as method parameters

call this RPC method

the similar problem with generic return type has been fixd in #3771

Pls. provide [GitHub address] to reproduce this issue.

Expected Result

the provider side with receive the correct parameter type

Actual Result

the actual result is as the following

and when I trying to do some with it, it will throw an exception

If there is an exception, please attach the exception trace:

java.lang.ClassCastException: com.alibaba.fastjson.JSONObject cannot be cast to org.apache.dubbo.demo.PersonTest
at java.util.ArrayList.forEach(ArrayList.java:1257)
at org.apache.dubbo.demo.provider.DemoServiceImpl.fastjsonTest1(DemoServiceImpl.java:67)
at org.apache.dubbo.common.bytecode.Wrapper1.invokeMethod(Wrapper1.java)
at org.apache.dubbo.rpc.proxy.javassist.JavassistProxyFactory$1.doInvoke(JavassistProxyFactory.java:47)
at org.apache.dubbo.rpc.proxy.AbstractProxyInvoker.invoke(AbstractProxyInvoker.java:86)
at org.apache.dubbo.config.invoker.DelegateProviderMetaDataInvoker.invoke(DelegateProviderMetaDataInvoker.java:56)
at org.apache.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:56)
at org.apache.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:63)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:73)
at org.apache.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:88)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:73)
at org.apache.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:54)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:73)
at org.apache.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:80)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:73)
at org.apache.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:79)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:73)
at org.apache.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:137)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:73)
at org.apache.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:73)
at org.apache.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:39)
at org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:73)
at org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol$1.reply(DubboProtocol.java:128)
at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleRequest(HeaderExchangeHandler.java:103)
at org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:200)
at org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:51)
at org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:57)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)