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https://issues.apache.org/jira/browse/NIFI-3919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne resolved NIFI-3919.
------------------------------
       Resolution: Fixed
    Fix Version/s: 1.3.0

> AvroTypeUtil throws Exception before trying every possible type
> ---------------------------------------------------------------
>
>                 Key: NIFI-3919
>                 URL: https://issues.apache.org/jira/browse/NIFI-3919
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: 1.2.0
>            Reporter: Koji Kawamura
>            Assignee: Koji Kawamura
>             Fix For: 1.3.0
>
>
> With a field schema having mixed types, for example, "[null, int, string]", 
> AvroTypeUtil tries to coerce type conversion so that the input raw object can 
> fit with one of possible data type defined in the union.
> If an input string "bar" is passed, we expect it's mapped as "string" data 
> type. However, the "bar" is parsed as integer first, and a 
> NumberFormatException is thrown but not caught, before converting it to 
> "string".
> We surround type conversion with try/catch when AvroTypeUtil tries to find a 
> right type within an union field so that it can check every possible type.



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