[jira] [Commented] (SQOOP-2786) Sqoop2: If AUTHENTICATION_KERBEROS_KEYTAB is not found in the properties throw a meaningful exception

["Abraham Fine (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SQOOP-2786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15109867#comment-15109867 ] 

Abraham Fine commented on SQOOP-2786:
-------------------------------------

no rb due to simple patch

> Sqoop2: If AUTHENTICATION_KERBEROS_KEYTAB is not found in the properties throw a meaningful exception
> -----------------------------------------------------------------------------------------------------
>
>                 Key: SQOOP-2786
>                 URL: https://issues.apache.org/jira/browse/SQOOP-2786
>             Project: Sqoop
>          Issue Type: Improvement
>    Affects Versions: 1.99.6
>            Reporter: Abraham Fine
>            Assignee: Abraham Fine
>         Attachments: SQOOP-2786.patch
>
>
> Currently we have:
> {code:java}
> MapContext mapContext = SqoopConfiguration.getInstance().getContext();
>     String keytab = mapContext.getString(
>     SecurityConstants.AUTHENTICATION_KERBEROS_KEYTAB).trim();
> {code}
> If SecurityConstants.AUTHENTICATION_KERBEROS_KEYTAB is not found in the properties we throw a null pointer exception. Our exception should indicate exactly which property is not found.
> It may also be useful to log something when we need to revert to a default value when we do something like:
> {code:java}
> SqoopConfiguration.getInstance().getContext().getBoolean(RepoConfigurationConstants.SYSCFG_REPO_SCHEMA_IMMUTABLE, true));
> {code} 
> to always indicate where we are not using configuration.



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