[jira] [Commented] (FLINK-31951) Mix schema record source creates corrupt record

["Kevin Tseng (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-31951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17716969#comment-17716969 ] 

Kevin Tseng commented on FLINK-31951:
-------------------------------------

can a committer assign this bug to me? As this is fairly straightforward and I already have a fix prepared. Thanks!

> Mix schema record source creates corrupt record
> -----------------------------------------------
>
>                 Key: FLINK-31951
>                 URL: https://issues.apache.org/jira/browse/FLINK-31951
>             Project: Flink
>          Issue Type: Bug
>          Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
>    Affects Versions: 1.17.0, 1.18.0
>            Reporter: Kevin Tseng
>            Priority: Minor
>
> This seems to be an unexpected side effect with how AvroDeserializationSchema class was written.
> Sometimes we do not have control over what record comes through a Kafka Topic.
> In current implementation, if AvroDeserializationSchema encountered a record byte array that does not conform to the specified Schema / SpecificRecord type, it will cause future record to be deserialized incorrectly.
> Origin of the issue is with how
> {code:java}
> AvroDeserializationSchema.deserialize{code}
> handles exception, and how
> {code:java}
> AvroDeserializationSchema.checkAvroInitialized{code}
> handles initialization of Decoder object



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