[Java11] There are some UT failed in KryoSerializerTest

- [ ] I have searched the [issues](https://github.com/seata/seata/issues) of this repository and believe that this is not a duplicate.

### Ⅰ. Issue Description
https://github.com/seata/seata/runs/5960322217?check_suite_focus=true

### Ⅱ. Describe what happened

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

```
Just paste your stack trace here!
```

### Ⅲ. Describe what you expected to happen

### Ⅳ. How to reproduce it (as minimally and precisely as possible)

1. xxx
2. xxx
3. xxx

### Ⅴ. Anything else we need to know?

### Ⅵ. Environment:

- JDK version :
- Seata version:
- OS :
- Others:

Start with the Java 11 workflow run linked in the issue and inspect the failing KryoSerializerTest output. Reproduce the failure in the repository's Java 11 test setup, then use the failure details to determine the affected serializer behavior; done means KryoSerializerTest passes under Java 11.

Written by the indexing model from the issue text.