[jira] [Updated] (SPARK-15489) Dataset kryo encoder fails on Collections$UnmodifiableCollection

["Michael Armbrust (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-15489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust updated SPARK-15489:
-------------------------------------
    Target Version/s: 2.0.0

> Dataset kryo encoder fails on Collections$UnmodifiableCollection
> ----------------------------------------------------------------
>
>                 Key: SPARK-15489
>                 URL: https://issues.apache.org/jira/browse/SPARK-15489
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.6.1
>            Reporter: Amit Sela
>
> When using Encoders with kryo to encode generically typed Objects in the following manner:
> public static <T> Encoder<T> encoder() {
>   return Encoders.kryo((Class<T>) Object.class);
> }
> I get a decoding exception when trying to decode `java.util.Collections$UnmodifiableCollection`, which probably comes from Guava's `ImmutableList`.
> This happens when running with master = local[1]. Same code had no problems with RDD api.



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