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https://issues.apache.org/jira/browse/SAMZA-2553?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17143216#comment-17143216
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Slim Bouguerra commented on SAMZA-2553:
---------------------------------------

https://github.com/apache/samza/pull/1388

> SQL relational table converter SampleRelTableKeyConverter NPE when one of the 
> values is null
> --------------------------------------------------------------------------------------------
>
>                 Key: SAMZA-2553
>                 URL: https://issues.apache.org/jira/browse/SAMZA-2553
>             Project: Samza
>          Issue Type: Bug
>          Components: sql
>            Reporter: Slim Bouguerra
>            Priority: Minor
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> SampleRelTableKeyConverter Throws NPE when one of the values to be converted 
> is null.
> {code:java}
> return 
> relRecord.getFieldValues().stream().map(Object::toString).collect(Collectors.toList()).get(0);
> {code}



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