DB client result in java.lang.IllegalStateException: Expected code point 14ac but was fffffffe rows

### Questions

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### Version

4.4.5

### Context

Using Vert.x 4.4.5 and 4.4.4 (used in quarkus) result in the following error while connecting to a DB2 database (SQL110580).:

java.lang.IllegalStateException: Expected code point 14ac but was fffffffe rows

I am using Java 17 and maven 3.9.4

See also [quarkus issue/vertx client](https://github.com/quarkusio/quarkus/issues/14117)

### Do you have a reproducer?

No

### Steps to reproduce

1. ...
2. ...
3. ...
4. ...

### Extra

* Anything that can be relevant such as OS version, JVM version