# WARNING: Unable to attach Serviceability Agent. sun.jvm.hotspot.runtime.VM.isCompressedKlassPointersEnabled()
Exception in thread "main" java.lang.RuntimeException: Cannot get the field offset, try with -Djol.magicFieldOffset=true
	at org.openjdk.jol.vm.HotspotUnsafe.fieldOffset(HotspotUnsafe.java:533)
	at org.openjdk.jol.layouters.CurrentLayouter.layout(CurrentLayouter.java:70)
	at org.openjdk.jol.info.ClassLayout.parseClass(ClassLayout.java:72)
	at org.openjdk.jol.info.ClassLayout.parseClass(ClassLayout.java:56)
	at RecordProbe.main(RecordProbe.java:12)
Caused by: java.lang.UnsupportedOperationException: can't get field offset on a record class: private final int RecordProbe$Coordinates.lat
	at jdk.unsupported/sun.misc.Unsafe.objectFieldOffset(Unsafe.java:903)
	at org.openjdk.jol.vm.HotspotUnsafe.fieldOffset(HotspotUnsafe.java:526)
	... 4 more