Depends on how your Hadoop configuration is set up. By default, the
ones in hadoop installation override.
IIRC this is controlled by mapreduce.task.classpath.user.precedence parameter
On Mon, Jun 25, 2012 at 2:18 PM, Yang <[EMAIL PROTECTED]> wrote:
> if I run
> hadoop jar myjar.jar
> and myjar.jar contains some hadoop classes,
> where would these hadoop classes be loaded from ? the system hadoop
> installation or from myjar.jar ?