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https://issues.apache.org/jira/browse/AVRO-3064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17297427#comment-17297427
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Scott commented on AVRO-3064:
-----------------------------
It sounds like some other process is creating this JSON structure. If that's
true, then you have three main options:
# Modify the JSON that process is generating so that it conforms to the Avro
JSON specification
# Use an Avro JSON encoder to create the JSON and it will create the correct
JSON format
# Push to have https://issues.apache.org/jira/browse/AVRO-1582 merged in since
it relaxes the need to have types specified when the union is a simple union of
null and one other type.
> Issue: Unknown union branch fixed
> ---------------------------------
>
> Key: AVRO-3064
> URL: https://issues.apache.org/jira/browse/AVRO-3064
> Project: Apache Avro
> Issue Type: Task
> Components: java
> Affects Versions: 1.8.0
> Reporter: Divya
> Priority: Major
> Attachments: Screenshot from 2021-03-04 21-19-06.png
>
>
> Hello,
>
> We are looking for documentation on how a fixed value can be used with null.
> We are using avro-1.8.0 and trying to generate a Decimal value with the help
> of JSONDecoder for schema:
> {
> "name": "exacAmt",
> "type": [
> {
> "type": "fixed",
> "name": "exacAmt",
> "size": 16,
> "logicalType": "decimal",
> "precision": 38,
> "scale": 2
> },
> "null"
> ]
> }
> But we are getting an exception:
> _Message: Unknown union branch fixed_
> _Line | Method_
> _->> 445 | readIndex in org.apache.avro.io.JsonDecoder_
>
> Please advise how can this issue be resolved.
> !Screenshot from 2021-03-04 21-19-06.png!
>
>
>
>
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