Warning: this sample includes the dubbo-rpc-hessian component, but does not configure a deserialization whitelist. This means it should never be deployed in a way that allows untrusted access without first configuring a deserialization whitelist.
dubbo-rpc-hessian
https://dubbo.apache.org/en/docs/notices/security/#some-suggestions-to-deal-with-the-security-vulnerability-of-deserialization