diff -uNr jdbc/org/postgresql/util/PSQLException.java jdbc-new/org/postgresql/util/PSQLException.java
--- jdbc/org/postgresql/util/PSQLException.java	2003-02-27 06:45:44.000000000 +0100
+++ jdbc-new/org/postgresql/util/PSQLException.java	2003-02-27 15:19:41.000000000 +0100
@@ -111,6 +111,6 @@
 	 */
 	public String toString()
 	{
-		return message;
+		return message != null ? message : "";
 	}
 }