kazetyan commented on issue #13814:
URL: https://github.com/apache/dubbo/issues/13814#issuecomment-1980017862
> 我加了-XX:-OmitStackTraceInFastThrow，报错日志也还是上面一样的，没有更多有效日志打印
jdk8+dubbo3.0.15+spring-core-5.3.27 + k8s部署
>
> provider和consumer配置的xml，没有使用dubbo复杂功能，只用了简单的rpc。<dubbo:service
interface="com.XXX....IUserService" ref="userService" />
>
>
我在测试环境复现出了上面错误，复现场景，一个consumer-A，两个provider-B和C。A调用B和C的dubbo接口，dubbo接口参数是一个枚举类，我在枚举类里新增一种类型NEW，只把A和B升级编译新增了枚举类型NEW，C还是用的老的代码不含新的枚举类型。调用接口的时候A调用B返回200，A调用C返回报错java.lang.IllegalArgumentException:
No enum constan。但再多调用几次就会出现上面的报错org.apache.dubbo.remoting.RemotingException:
Fail to decode request due to: java.lang.NullPointerException
>
> 代码如下： userService.update(AndroidDevice.NEW);
>
> public enum AndroidDevice {
>
> ```
> DEFAULT(0), OLD(6), NEW(7);
>
> private int value;
>
> AndroidDevice(int value) {
> this.value = value;
> }
>
> public int value() {
> return value;
> }
> ```
>
> }
按这个方法复现不出来,都是IllegalArgumentException,可以传个demo吗
还有个问题,改默认序列化了吗,是hessian2吗?
```
Caused by: org.apache.dubbo.remoting.RemotingException: Fail to decode
request due to: com.alibaba.com.caucho.hessian.io.IOExceptionWrapper:
java.lang.reflect.InvocationTargetException
com.alibaba.com.caucho.hessian.io.IOExceptionWrapper:
java.lang.reflect.InvocationTargetException
at
com.alibaba.com.caucho.hessian.io.EnumDeserializer.create(EnumDeserializer.java:133)
at
com.alibaba.com.caucho.hessian.io.EnumDeserializer.readObject(EnumDeserializer.java:118)
at
com.alibaba.com.caucho.hessian.io.Hessian2Input.readObjectInstance(Hessian2Input.java:2848)
at
com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2175)
at
com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2104)
at
com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2148)
at
com.alibaba.com.caucho.hessian.io.Hessian2Input.readObject(Hessian2Input.java:2104)
at
org.apache.dubbo.common.serialize.hessian2.Hessian2ObjectInput.readObject(Hessian2ObjectInput.java:102)
at
org.apache.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:212)
at
org.apache.dubbo.rpc.protocol.dubbo.DecodeableRpcInvocation.decode(DecodeableRpcInvocation.java:92)
at
org.apache.dubbo.remoting.transport.DecodeHandler.decode(DecodeHandler.java:60)
at
org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:44)
at
org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:59)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at
org.apache.dubbo.common.threadlocal.InternalRunnable.run(InternalRunnable.java:41)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
com.alibaba.com.caucho.hessian.io.EnumDeserializer.create(EnumDeserializer.java:131)
... 16 more
Caused by: java.lang.IllegalArgumentException: No enum constant
org.apache.dubbo.demo.dto.TestEnum.N
at java.lang.Enum.valueOf(Enum.java:238)
... 20 more
at
org.apache.dubbo.remoting.exchange.support.DefaultFuture.doReceived(DefaultFuture.java:223)
at
org.apache.dubbo.remoting.exchange.support.DefaultFuture.received(DefaultFuture.java:185)
at
org.apache.dubbo.remoting.exchange.support.DefaultFuture.received(DefaultFuture.java:173)
at
org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.handleResponse(HeaderExchangeHandler.java:60)
at
org.apache.dubbo.remoting.exchange.support.header.HeaderExchangeHandler.received(HeaderExchangeHandler.java:181)
at
org.apache.dubbo.remoting.transport.DecodeHandler.received(DecodeHandler.java:51)
at
org.apache.dubbo.remoting.transport.dispatcher.ChannelEventRunnable.run(ChannelEventRunnable.java:59)
at
org.apache.dubbo.common.threadpool.ThreadlessExecutor$RunnableWrapper.run(ThreadlessExecutor.java:184)
at
org.apache.dubbo.common.threadpool.ThreadlessExecutor.waitAndDrain(ThreadlessExecutor.java:103)
at org.apache.dubbo.rpc.AsyncRpcResult.get(AsyncRpcResult.java:193)
... 23 more
```
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