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https://issues.apache.org/jira/browse/FLINK-31951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Tseng resolved FLINK-31951.
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Resolution: Fixed
> 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
> Assignee: Kevin Tseng
> Priority: Minor
> Labels: fix-provided, pull-request-available
> Fix For: 1.18.0
>
>
> 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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