[jira] [Commented] (NIFI-9629) Avro Writer Schema Default Value not correctly being set

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-9629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17484142#comment-17484142 ] 

ASF subversion and git services commented on NIFI-9629:
-------------------------------------------------------

Commit 038811d0dd8d317b6cfe0cffd3f1f4be78753250 in nifi's branch refs/heads/main from Mark Payne
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=038811d ]

NIFI-9629: Ensure that when we are setting default values on Avro GenericRecord objects that we convert from the schema's default value to the proper type

Signed-off-by: Pierre Villard <pi...@gmail.com>

This closes #5716.


> Avro Writer Schema Default Value not correctly being set
> --------------------------------------------------------
>
>                 Key: NIFI-9629
>                 URL: https://issues.apache.org/jira/browse/NIFI-9629
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.15.0, 1.16.0, 1.15.1, 1.15.2, 1.15.3
>         Environment: WSL Ubuntu, Java 11 Open JDK
>            Reporter: Nathan English
>            Assignee: Mark Payne
>            Priority: Major
>         Attachments: Avro_Default_Value_Conversion_Issue_-_20220125.xml
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Using the Avro Record Set Writer to create fields that don't exist and set default values is currently causing issues. I haven't tested all the possible types, but below are the ones I have tested:
>  * String with string default value - OK
>  * String with null - {color:#FF0000}Error{color}
>  * Byte with null - {color:#FF0000}Error{color}
>  * Int with 0 Default value - OK
>  * Long with 0 default value - {color:#FF0000}Error{color}
> {color:#172b4d}Looking at the AvroTypeUtil class when the field is put with its default value the null, is actually an org.apache.avro.JsonProperties$Null instead of an actual null value. The long is actually a default of an int value. These both throw errors when being encoded to the Avro Format.{color}
> {color:#172b4d}The attached flow successfully reproduces the errors.{color}
>  
> {color:#172b4d}I have tested the flow and it successfully works in v1.12.1, but not a build from the main branch.{color}
>  
> {color:#172b4d}This issue leads on from NIFI-9594{color}



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