tprebs opened a new issue, #16556:
URL: https://github.com/apache/grails-core/issues/16556
### Expected Behavior
The proxy returns the value using the accessor method getIdentifier() and
not getId()
```groovy
class BaseWidget {
String identifier
static constraints = {
identifier nullable: true
}
}
```
### Actual Behaviour
On Grails 8, reading it from an uninitialised Hibernate proxy returns the
entity's primary key instead of the property `identifier`, and because the
generated accessor is declared to return String, the call fails with a class
cast exception because it is returning a Long instead of a String
java.lang.ClassCastException: class java.lang.Long cannot be cast to class
java.lang.String
### Steps To Reproduce
Full recreation here https://github.com/tprebs/grails-proxy-identifier
showing Grails 7 behvaiour vs Grails 8
1. Create a domain class with a string field called identifier
e.g.
``` groovy
@Entity
base class BaseWidget {
String identifier
static constraints = {
identifier nullable: true
}
}
@Entity
class Widget extends BaseWidget {
String name
static constraints = {
name nullable: true
}
}
@Entity
class Holder {
String label
Widget widget
}
```
2. Perform a query which will return an uninitialised proxy e.g. `Holder
holder = Holder.get(holderId)`
3. access the identifier property e.g. holder.widget.identifier
This should return the identifier text but fails with a ClassCastException
### Environment Information
- JDK 21
- Macos
### Example Application
https://github.com/tprebs/grails-proxy-identifier
### Version
8.0.0-RC2
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