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Posted to dev@avro.apache.org by "Fokko Driesprong (Jira)" <ji...@apache.org> on 2020/01/21 08:57:00 UTC

[jira] [Assigned] (AVRO-2641) Generated code results in java.lang.ClassCastException when deserializing

     [ https://issues.apache.org/jira/browse/AVRO-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fokko Driesprong reassigned AVRO-2641:
--------------------------------------

    Assignee: Magne Moss Helleborg

> Generated code results in java.lang.ClassCastException when deserializing
> -------------------------------------------------------------------------
>
>                 Key: AVRO-2641
>                 URL: https://issues.apache.org/jira/browse/AVRO-2641
>             Project: Apache Avro
>          Issue Type: Bug
>          Components: java
>    Affects Versions: 1.8.0
>            Reporter: Magne Moss Helleborg
>            Assignee: Magne Moss Helleborg
>            Priority: Major
>
> SpecificRecord put() used by datumreader does not account for that String fields can be represented as org.apache.avro.util.Utf8 or other CharSequence which might not be castable to java.lang.String.
> The result is that  when it tries to deserialize Utf8-fields it fails with a ClassCastException.
> Proposed solution: toString() instead of cast for Strings.
>  
> To reproduce error: Serialize schema with String definitions from the .Net Avro library, ex Confluent.Apache.Avro. It will default to UTF-8 for strings, and fail when deserializing the same schema from the JVM.



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