> On 9 Apr 2015, at 17:42, Marcelo Vanzin <van...@cloudera.com> wrote:
> 
> If YARN is authenticating users it's probably running on kerberos, so
> you need to log in with your kerberos credentials (kinit) before
> submitting an application.

also: make sure that you have the full JCE and not the crippled crypto; every 
time you upgrade the JDK you are likely to have to re-install it. Java gives no 
useful error messages on this or any other Kerberos problem

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