Every failed task typically carries a diagnostic message and a set of
logs for you to investigate what caused it to fail. Try visiting the
task's logs on the JT UI by clicking through individual failed
attempts to find the reason of its failure.
On Sun, Jan 5, 2014 at 11:03 PM, Saeed Adel Mehraban <[EMAIL PROTECTED]> wrote:
> Hi all,
> My task jobs are failing due to many failed maps. I want to know what makes
> a map to fail? Is it something like exceptions or what?