--- a/db/src/org/netbeans/modules/db/explorer/DatabaseConnectionConvertor.java	
+++ a/db/src/org/netbeans/modules/db/explorer/DatabaseConnectionConvertor.java	
@@ -496,6 +496,14 @@ 
         
         @Override
         public void propertyChange(PropertyChangeEvent evt) {
+            // TODO: Fix properties - these five properties should by folded into one
+            if (evt.getPropertyName().equals("connected")
+                    || evt.getPropertyName().equals("connectionComplete")
+                    || evt.getPropertyName().equals("connecting")
+                    || evt.getPropertyName().equals("disconnected")
+                    || evt.getPropertyName().equals("failed")) {
+                return;
+            }
             synchronized (this) {
                 if (saveTask == null)
                     saveTask = RP.create(this);