Validating a define file - Errors empty output

Hi,

I am running version 1.2.1 in command line (on Win Server 2003 Standard x64 Edition), I want to validate a define file using the config-define-1.0, but I get the following:

Exception in thread "main" java.lang.NullPointerException
 at org.opencdisc.validator.data.SasTransportDataSource.bufferStartsWith(SasTransportDataSource.java:832)
 at org.opencdisc.validator.data.SasTransportDataSource.test(SasTransportDataSource.java:626)
 at org.opencdisc.validator.data.SourceProvider.addSource(SourceProvider.java:96)
 at org.opencdisc.validator.DefaultValidator.createProvider(DefaultValidator.java:399)
 at org.opencdisc.validator.DefaultValidator.validate(DefaultValidator.java:217)
 at org.opencdisc.validator.cli.CommandParser.parse(CommandParser.java:438)
 at org.opencdisc.validator.cli.Main.main(Main.java:30)