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https://issues.apache.org/jira/browse/FLINK-17818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17111495#comment-17111495
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Danish Amjad commented on FLINK-17818:
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Please assign it to me.
> CSV Reader with Pojo Type and no field names fails
> --------------------------------------------------
>
> Key: FLINK-17818
> URL: https://issues.apache.org/jira/browse/FLINK-17818
> Project: Flink
> Issue Type: Bug
> Components: API / DataSet
> Affects Versions: 1.10.1
> Reporter: Danish Amjad
> Priority: Minor
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> When a file is read with a CSVReader and a POJO is specified and the filed
> names are not specified, the output is obviously not correct. The API is not
> throwing any error despite a null check inside the API. i.e.
> {code}
> Preconditions.checkNotNull(pojoFields, "POJO fields must be specified (not
> null) if output type is a POJO.");
> {code}
> The *root cause* of the problem is that the _fieldNames_ argument is a
> variable argument and the variable is 'empty but not null' when not given any
> value. So, the check passes without failing.
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