Index: /trunk/org.bridgedb/src/org/bridgedb/DataSource.java
===================================================================
--- /trunk/org.bridgedb/src/org/bridgedb/DataSource.java (revision 308)
+++ /trunk/org.bridgedb/src/org/bridgedb/DataSource.java (revision 324)
@@ -68,6 +68,6 @@
 	private String idExample = null;
 	private boolean isPrimary = true;
-	private String type;
-	private String urnBase;
+	private String type = "unknown";
+	private String urnBase = "";
 	
 	/**