diff -r 0bf10add82d9 -r c81406884e16 src/org/sonews/storage/impl/JDBCDatabase.java
--- a/src/org/sonews/storage/impl/JDBCDatabase.java	Sun Sep 11 17:36:47 2011 +0200
+++ b/src/org/sonews/storage/impl/JDBCDatabase.java	Tue Oct 25 15:06:59 2011 +0200
@@ -1468,4 +1468,10 @@
 			return update(group);
 		}
 	}
+
+	@Override
+	public boolean authenticateUser(String username, char[] password) 
+			throws StorageBackendException {
+		throw new StorageBackendException("Not supported yet.");
+	}
 }