problem in loading a jar file

Hi,

I'm getting an exception when I'm trying to load a jar file in Windows XP.

The command I'm using is:
statement.executeUpdate("SELECT sqlj.install_jar('file:///"+jarLocation+"','"+transformName+"',false)");
where jarLcation is: C:/temp/transform.jar

The error is:
java.sql.SQLException: I/O exception reading jar file: C:\temp\transform.jar (The system cannot find the file specified)

The file is actually located in that path.

Please help with any ideas,

Thanks,

Umut Sargut