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https://issues.apache.org/jira/browse/HADOOP-12697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kihwal Lee updated HADOOP-12697:
--------------------------------
    Description: 
SLIDER-1050 shows that if you don't have the right kerberos settings, the Yarn 
client IPC channel blocks retrying to the talk to the RM, retrying repeatedly

{noformat}
2016-01-07 02:50:45,111 [main] WARN  ipc.Client - Exception encountered while 
connecting to the server :
 javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException:
 No valid credentials provided (Mechanism level: Failed to find any Kerberos 
tgt)]
{noformat}

SASL exceptions need to be recognised as irreconcilable authentication 
failures, rather than generic IOEs that might go away if you retry

  was:
SLIDER-1050 shows that if you don't have the right kerberos settings, the Yarn 
client IPC channel blocks retrying to the talk to the RM, retrying repeatedly

{noformat}
2016-01-07 02:50:45,111 [main] WARN  ipc.Client - Exception encountered while 
connecting to the server :
 javax.security.sasl.SaslException: GSS initiate failed [Caused by 
GSSException: No valid credentials provided (Mechanism level: Failed to find 
any Kerberos tgt)]
{noformat}

SASL exceptions need to be recognised as irreconcilable authentication 
failures, rather than generic IOEs that might go away if you retry


> IPC retry policies should recognise that SASL auth failures are unrecoverable
> -----------------------------------------------------------------------------
>
>                 Key: HADOOP-12697
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12697
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 2.7.1
>         Environment: Cluster with kerberos on and client not calling with the 
> right credentials
>            Reporter: Steve Loughran
>            Priority: Minor
>
> SLIDER-1050 shows that if you don't have the right kerberos settings, the 
> Yarn client IPC channel blocks retrying to the talk to the RM, retrying 
> repeatedly
> {noformat}
> 2016-01-07 02:50:45,111 [main] WARN  ipc.Client - Exception encountered while 
> connecting to the server :
>  javax.security.sasl.SaslException: GSS initiate failed [Caused by 
> GSSException:
>  No valid credentials provided (Mechanism level: Failed to find any Kerberos 
> tgt)]
> {noformat}
> SASL exceptions need to be recognised as irreconcilable authentication 
> failures, rather than generic IOEs that might go away if you retry



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