Exception in thread "main" java.lang.UnsupportedClassVersionError: Preview features are not enabled for FieldWatchpointsTarg (class file version 69.65535). Try running with '--enable-preview'
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:962)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:144)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:776)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:691)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:620)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:578)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:490)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:478)
at java.base/java.lang.Class.forName(Class.java:469)
at DebuggeeWrapper.main(DebuggeeWrapper.java:59)

Looks like DebuggeeWrapper does not pass "--enable-preview" argument from the parent process