ADDITIONAL SYSTEM INFORMATION :
D:\project\untitled\src>ver
Microsoft Windows [version 10.0.22631.4602]

D:\project\untitled\src>java -version
openjdk version "1.8.0_432-432"
OpenJDK Runtime Environment (build 1.8.0_432-432-b06)
OpenJDK 64-Bit Server VM (build 25.432-b06, mixed mode)

D:\project\untitled\src>javac -version
javac 1.8.0_432-432


A DESCRIPTION OF THE PROBLEM :
In the following code, when using a lambda expression in the stream operation (field -> field.getName()), the code results in a compilation error in JDK 8. However, using a method reference (Field::getName) works fine in JDK 8.
The code also works correctly in JDK 11 and later, regardless of whether a method reference or lambda expression is used.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
compile success
ACTUAL -
compile error

---------- BEGIN SOURCE ----------
import java.util.Arrays;
import java.util.stream.Collectors;

public class Main {

    private static final String BAR = "SomeStringPrefix" +
            Arrays.stream(Foo.class.getDeclaredFields())
                    .map(field -> {
                        return field.getName();
                    }).collect(Collectors.joining(","));

    public static void main(String[] args) {
        System.out.println(BAR);
    }
}

class Foo {
    private String field1;
    private String field2;
}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.stream.Collectors;

public class Main {

    private static final String BAR = "SomeStringPrefix" +
            Arrays.stream(Foo.class.getDeclaredFields())
                    .map(Field::getName).collect(Collectors.joining(","));

    public static void main(String[] args) {
        System.out.println(BAR);
    }
}

class Foo {
    private String field1;
    private String field2;
}

FREQUENCY : always