Adds throwing an exception in config XML does not have a root config element in a recognized namespace. Suppresses a compiler warning.

Author: Eric

src/main/java/com/t11e/discovery/datatool/ConfigurationManager.java

@@ -199,6 +199,12 @@ private GenericApplicationContext createApplicationContext(final InputStream is)
       final String prefix = namespacesByUri.get(document.getRootElement().getNamespaceURI());
       ns = prefix == null ? "" : (prefix + ":");
     }
+
+    if (document.selectSingleNode("/c:config".replace("c:", ns)) == null)
+    {
+      throw new RuntimeException("Missing root config element. Did you specify a namespace?");
+    }
+
     for (final Node node : (List<Node>) document.selectNodes("/c:config/c:dataSources/c:dataSource".replace("c:", ns)))
     {
       final String name = node.valueOf("@name");

src/main/java/com/t11e/discovery/datatool/SqlChangesetProfileService.java

@@ -41,6 +41,7 @@ public Date[] getChangesetProfileDateRange(final String profile,
     return result;
   }
 
+  @SuppressWarnings("unchecked")
   private Date[] getChangesetProfileDateRange(final String profile)
   {
     Date[] startEnd;