diff --git a/src/hotspot/share/runtime/vmOperations.cpp b/src/hotspot/share/runtime/vmOperations.cpp
index 9b408f620fa..55cefefc1c5 100644
--- a/src/hotspot/share/runtime/vmOperations.cpp
+++ b/src/hotspot/share/runtime/vmOperations.cpp
@@ -229,7 +229,6 @@ VM_ThreadDump::VM_ThreadDump(ThreadDumpResult* result,
   _result = result;
   _num_threads = 0; // 0 indicates all threads
   _threads = NULL;
-  _result = result;
   _max_depth = max_depth;
   _with_locked_monitors = with_locked_monitors;
   _with_locked_synchronizers = with_locked_synchronizers;
@@ -244,7 +243,6 @@ VM_ThreadDump::VM_ThreadDump(ThreadDumpResult* result,
   _result = result;
   _num_threads = num_threads;
   _threads = threads;
-  _result = result;
   _max_depth = max_depth;
   _with_locked_monitors = with_locked_monitors;
   _with_locked_synchronizers = with_locked_synchronizers;
diff --git a/src/hotspot/share/services/threadService.cpp b/src/hotspot/share/services/threadService.cpp
index 51db7f13747..0aa4b4434a2 100644
--- a/src/hotspot/share/services/threadService.cpp
+++ b/src/hotspot/share/services/threadService.cpp
@@ -673,6 +673,7 @@ void ThreadStackTrace::dump_stack_at_safepoint(int maxDepth) {
 
   if (_thread->has_last_Java_frame()) {
     RegisterMap reg_map(_thread);
+    ResourceMark rm;
     vframe* start_vf = _thread->last_java_vframe(&reg_map);
     int count = 0;
     for (vframe* f = start_vf; f; f = f->sender() ) {