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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-8236) Invalid kerberos principal file name cause NPE in native service
Date Tue, 01 May 2018 04:56:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16459447#comment-16459447
] 

Sunil G edited comment on YARN-8236 at 5/1/18 4:55 AM:
-------------------------------------------------------

Thanks [~shanekumpf@gmail.com]
 Its interesting
{code:java}
    "kerberos_principal" : {
      "principal_name" : "ambari-qa@EXAMPLE.COM",
      "keytab" : "/etc/security/keytabs/smokeuser.headless.keytab"
    }
{code}
I missed giving "file://" prefix to keytab. After giving the same, its working. However i
still think, we should not get an NPE on same error condition.

Seems like the line in {{ServiceClient.addKeytabResourceIfSecure}} *switch (keytabURI.getScheme())*
is causing the NPE.


was (Author: sunilg):
Thanks [~shanekumpf@gmail.com]
 Its interesting
{code:java}
    "kerberos_principal" : {
      "principal_name" : "ambari-qa@EXAMPLE.COM",
      "keytab" : "/etc/security/keytabs/smokeuser.headless.keytab"
    }
{code}
I missed giving "file://" prefix to keytab. After giving the same, its working. However i
still thinks, we should not get an NPE on same error condition.

Seems like the line in {{ServiceClient.addKeytabResourceIfSecure}} *switch (keytabURI.getScheme())*
is causing the NPE.

> Invalid kerberos principal file name cause NPE in native service
> ----------------------------------------------------------------
>
>                 Key: YARN-8236
>                 URL: https://issues.apache.org/jira/browse/YARN-8236
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn-native-services
>    Affects Versions: 3.1.0
>            Reporter: Sunil G
>            Priority: Major
>
> Stack trace
>  
> {code:java}
> 2018-04-29 16:22:54,266 WARN webapp.GenericExceptionHandler (GenericExceptionHandler.java:toResponse(98))
- INTERNAL_SERVER_ERROR
> java.lang.NullPointerException
> at org.apache.hadoop.yarn.service.client.ServiceClient.addKeytabResourceIfSecure(ServiceClient.java:994)
> at org.apache.hadoop.yarn.service.client.ServiceClient.submitApp(ServiceClient.java:685)
> at org.apache.hadoop.yarn.service.client.ServiceClient.actionCreate(ServiceClient.java:269){code}
> cc [~gsaha] [~csingh]



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