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https://issues.apache.org/jira/browse/NIFI-7998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17230580#comment-17230580
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Otto Fowler commented on NIFI-7998:
-----------------------------------
can you create a template of the reproduction setup and attach it?
> Parquet file reader service throws Nullpointer Exception
> --------------------------------------------------------
>
> Key: NIFI-7998
> URL: https://issues.apache.org/jira/browse/NIFI-7998
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.12.1
> Environment: Docker build on Kubernetes
> Reporter: Dennis Kliche
> Priority: Major
> Attachments: Jira_Parquet_Error.json,
> image-2020-11-11-22-33-31-019.png, image-2020-11-11-22-41-13-099.png,
> image-2020-11-11-22-41-44-188.png
>
>
> We have a pipeline that gets an parquet file and write it into a database via
> PutDatabase Record. The content of the flow file is a parquet file. If the
> flow file is processed we are getting a NullPointerException.
>
> !image-2020-11-11-22-33-31-019.png!
> After some tests I found out, that the processor works like expected but if
> the flowfile is a parquet file and the reader is a parquet reader it throws
> this error.
> To confirm that is has to do with the parquet reader, I used a very simple
> approach.
> Generate flowfile with JSON transform it to parquet and then back to JSON.
> This resulted in the same error message.
> In the attached Jira_Parquet_Error.json you can see my simple construction.
> Here you can see the settings of the parquet writer:
> !image-2020-11-11-22-41-13-099.png!
>
> Here you can see the settings of Parquet Reader
>
> !image-2020-11-11-22-41-44-188.png!
>
> Until update from 1.11.4 to 1.12.1 it worked. Since 1.12.1 we are getting
> this issue.
>
>
>
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