diff --git a/core/src/main/java/edu/umd/cs/piccolo/PNode.java b/core/src/main/java/edu/umd/cs/piccolo/PNode.java
index 388166d..b50b809 100644
--- a/core/src/main/java/edu/umd/cs/piccolo/PNode.java
+++ b/core/src/main/java/edu/umd/cs/piccolo/PNode.java
@@ -2637,7 +2637,8 @@
                 printJob.print();
             }
             catch (PrinterException e) {
-                throw new RuntimeException("Error Printing", e);
+                System.out.println("Error Printing");
+                e.printStackTrace();
             }
         }
     }
diff --git a/examples/src/main/java/edu/umd/cs/piccolo/examples/swt/SWTBenchTest.java b/examples/src/main/java/edu/umd/cs/piccolo/examples/swt/SWTBenchTest.java
index 159930e..9aee2f9 100644
--- a/examples/src/main/java/edu/umd/cs/piccolo/examples/swt/SWTBenchTest.java
+++ b/examples/src/main/java/edu/umd/cs/piccolo/examples/swt/SWTBenchTest.java
@@ -399,7 +399,8 @@
             results = new int[NUM_CONTEXTS][NUM_TESTS];
         }
         catch (IOException e) {
-            throw new RuntimeException(e);
+            e.printStackTrace();
+            System.exit(1);
         }
     }
 
diff --git a/extras/src/main/java/edu/umd/cs/piccolox/event/PNotificationCenter.java b/extras/src/main/java/edu/umd/cs/piccolox/event/PNotificationCenter.java
index 92ee856..237411d 100644
--- a/extras/src/main/java/edu/umd/cs/piccolox/event/PNotificationCenter.java
+++ b/extras/src/main/java/edu/umd/cs/piccolox/event/PNotificationCenter.java
@@ -267,8 +267,7 @@
                 catch (InvocationTargetException e) {
                     // Since this is how Swing handles Exceptions that get
                     // thrown on listeners, it's probably ok to do it here.
-                    // mro: if Swing does it wrong we don't have to.
-                    throw new RuntimeException(e);
+                    e.printStackTrace();
                 }
             }
         }
diff --git a/extras/src/main/java/edu/umd/cs/piccolox/pswing/PSwingEventHandler.java b/extras/src/main/java/edu/umd/cs/piccolox/pswing/PSwingEventHandler.java
index 7c47725..10960f8 100644
--- a/extras/src/main/java/edu/umd/cs/piccolox/pswing/PSwingEventHandler.java
+++ b/extras/src/main/java/edu/umd/cs/piccolox/pswing/PSwingEventHandler.java
@@ -360,12 +360,11 @@
     private void cameraToLocal(PCamera topCamera, Point2D pt, PNode node) {
         AffineTransform inverse;
         try {
-            inverse = topCamera.getViewTransform().createInverse();
-        }
-        catch (NoninvertibleTransformException e) {
+             inverse = topCamera.getViewTransform().createInverse();
+        } catch (NoninvertibleTransformException e) {
             throw new PAffineTransformException(e, topCamera.getViewTransform());
         }
-
+      
         /*
          * Only apply the camera's view transform when this node is a descendant
          * of PLayer
@@ -409,11 +408,10 @@
                 }
             }
             else {
-                // what was that? an exception to format syslog output?
-                throw new RuntimeException("PInputEvent.getSourceSwingEvent was not a MouseEvent.  Actual event: "
-                        + sourceSwingEvent + ", class=" + sourceSwingEvent.getClass().getName());
+                new Exception("PInputEvent.getSourceSwingEvent was not a MouseEvent.  Actual event: "
+                        + sourceSwingEvent + ", class=" + sourceSwingEvent.getClass().getName()).printStackTrace();
             }
-        }
+        }        
     }
 
     /**
diff --git a/swt/src/main/java/edu/umd/cs/piccolox/swt/PSWTPath.java b/swt/src/main/java/edu/umd/cs/piccolox/swt/PSWTPath.java
index 8921f08..5f6db1e 100644
--- a/swt/src/main/java/edu/umd/cs/piccolox/swt/PSWTPath.java
+++ b/swt/src/main/java/edu/umd/cs/piccolox/swt/PSWTPath.java
@@ -383,8 +383,7 @@
             return new Line2D.Double(l2.getP1(), l2.getP2());
         }
         else {
-            // either throw an exception or don't. But don't just write to sysout
-            // new Exception().printStackTrace();
+            new Exception().printStackTrace();
             GeneralPath aPath = new GeneralPath();
             aPath.append(aShape, false);
             return aPath;
diff --git a/swt/src/main/java/edu/umd/cs/piccolox/swt/SWTGraphics2D.java b/swt/src/main/java/edu/umd/cs/piccolox/swt/SWTGraphics2D.java
index d4a3edd..0274484 100644
--- a/swt/src/main/java/edu/umd/cs/piccolox/swt/SWTGraphics2D.java
+++ b/swt/src/main/java/edu/umd/cs/piccolox/swt/SWTGraphics2D.java
@@ -121,7 +121,7 @@
             SWTShapeManager.transform(aRect, transform.createInverse());
         }
         catch (Exception e) {
-            throw new RuntimeException(e);
+            e.printStackTrace();
         }
         return aRect;
     }
@@ -182,7 +182,7 @@
             SWTShapeManager.transform(aRect, transform.createInverse());
         }
         catch (Exception e) {
-            throw new RuntimeException(e);
+            e.printStackTrace();
         }
         return aRect;
     }
@@ -311,7 +311,7 @@
                 sizeInt = Integer.parseInt(size.substring(size.indexOf("=") + 1, size.length()));
             }
             catch (Exception e) {
-                throw new RuntimeException(e);
+                e.printStackTrace();
             }
 
             cachedFont = new org.eclipse.swt.graphics.Font(device,