--- old/src/hotspot/share/oops/instanceKlass.cpp 2018-07-25 14:38:39.896021969 -0400 +++ new/src/hotspot/share/oops/instanceKlass.cpp 2018-07-25 14:38:39.487650196 -0400 @@ -3158,7 +3158,13 @@ } st->print(BULLET"inner classes: "); inner_classes()->print_value_on(st); st->cr(); st->print(BULLET"nest members: "); nest_members()->print_value_on(st); st->cr(); - st->print(BULLET"java mirror: "); java_mirror()->print_value_on(st); st->cr(); + if (java_mirror() != NULL) { + st->print(BULLET"java mirror: "); + java_mirror()->print_value_on(st); + st->cr(); + } else { + st->print_cr(BULLET"java mirror: NULL"); + } st->print(BULLET"vtable length %d (start addr: " INTPTR_FORMAT ")", vtable_length(), p2i(start_of_vtable())); st->cr(); if (vtable_length() > 0 && (Verbose || WizardMode)) print_vtable(start_of_vtable(), vtable_length(), st); st->print(BULLET"itable length %d (start addr: " INTPTR_FORMAT ")", itable_length(), p2i(start_of_itable())); st->cr();