diff -r efdbe9b904ad -r f96fcd9e1e1b src/share/vm/services/threadService.cpp
--- a/src/share/vm/services/threadService.cpp	Tue Feb 23 18:58:36 2016 -0500
+++ b/src/share/vm/services/threadService.cpp	Thu Jun 14 09:15:08 2018 -0700
@@ -889,7 +889,7 @@
       st->print("  waiting to lock monitor " INTPTR_FORMAT, waitingToLockMonitor);
       oop obj = (oop)waitingToLockMonitor->object();
       if (obj != NULL) {
-        st->print(" (object "INTPTR_FORMAT ", a %s)", (address)obj,
+        st->print(" (object " INTPTR_FORMAT ", a %s)", (address)obj,
                    (InstanceKlass::cast(obj->klass()))->external_name());
 
         if (!currentThread->current_pending_monitor_is_from_java()) {