(This came as part of JDK-8027608 which seems to have many failure modes in it)

$ java JucLock &
[1] 81179
$ jstack -F -l 81179
…
Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:491)
at sun.tools.jstack.JStack.runJStackTool(JStack.java:136)
at sun.tools.jstack.JStack.main(JStack.java:102)
Caused by: sun.jvm.hotspot.types.WrongTypeException: No suitable match for type of address 0x00000005d56dd5f0
at sun.jvm.hotspot.runtime.InstanceConstructor.newWrongTypeException(InstanceConstructor.java:62)
at sun.jvm.hotspot.runtime.VirtualBaseConstructor.instantiateWrapperFor(VirtualBaseConstructor.java:109)
at sun.jvm.hotspot.oops.Metadata.instantiateWrapperFor(Metadata.java:68)
at sun.jvm.hotspot.oops.Oop.getKlassForOopHandle(Oop.java:211)
at sun.jvm.hotspot.oops.ObjectHeap.newOop(ObjectHeap.java:251)
at sun.jvm.hotspot.oops.ObjectHeap.iterateLiveRegions(ObjectHeap.java:330)
at sun.jvm.hotspot.oops.ObjectHeap.iterateSubtypes(ObjectHeap.java:287)
at sun.jvm.hotspot.oops.ObjectHeap.iterateObjectsOfKlass(ObjectHeap.java:187)
at sun.jvm.hotspot.runtime.ConcurrentLocksPrinter.fillLocks(ConcurrentLocksPrinter.java:70)
at sun.jvm.hotspot.runtime.ConcurrentLocksPrinter.<init>(ConcurrentLocksPrinter.java:36)
at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:71)
at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
at sun.jvm.hotspot.tools.JStack.run(JStack.java:66)
at sun.jvm.hotspot.tools.Tool.startInternal(Tool.java:259)
at sun.jvm.hotspot.tools.Tool.start(Tool.java:222)
at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118)
at sun.jvm.hotspot.tools.JStack.main(JStack.java:92)
... 6 more