v0.2.54..v0.2.55 changeset HootException.cpp

diff --git a/hoot-core/src/main/cpp/hoot/core/util/HootException.cpp b/hoot-core/src/main/cpp/hoot/core/util/HootException.cpp
index 5e39e47..34d24c8 100644
--- a/hoot-core/src/main/cpp/hoot/core/util/HootException.cpp
+++ b/hoot-core/src/main/cpp/hoot/core/util/HootException.cpp
@@ -22,7 +22,7 @@
  * This will properly maintain the copyright information. DigitalGlobe
  * copyrights will be updated automatically.
  *
- * @copyright Copyright (C) 2015, 2016, 2017, 2018 DigitalGlobe (http://www.digitalglobe.com/)
+ * @copyright Copyright (C) 2015, 2016, 2017, 2018, 2020 DigitalGlobe (http://www.digitalglobe.com/)
  */
 
 #include "HootException.h"
@@ -42,15 +42,11 @@ HOOT_REGISTER_EXCEPTION(NeedsReviewException)
 HOOT_REGISTER_EXCEPTION(UnsupportedException)
 HOOT_REGISTER_EXCEPTION(NotImplementedException)
 
-HootExceptionThrower* HootExceptionThrower::_theInstance = 0;
-
 HootExceptionThrower& HootExceptionThrower::getInstance()
 {
-  if (_theInstance == 0)
-  {
-    _theInstance = new HootExceptionThrower();
-  }
-  return *_theInstance;
+  //  Local static singleton instance
+  static HootExceptionThrower instance;
+  return instance;
 }
 
 void HootExceptionThrower::rethrowPointer(HootException* e)