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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2016/04/20 20:55:25 UTC

[jira] [Updated] (KAFKA-3589) KTable.count(final KeyValueMapper selector, String name) throw NPE

     [ https://issues.apache.org/jira/browse/KAFKA-3589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang updated KAFKA-3589:
---------------------------------
    Fix Version/s: 0.10.0.0

> KTable.count(final KeyValueMapper<K, V, K1> selector, String name) throw NPE
> ----------------------------------------------------------------------------
>
>                 Key: KAFKA-3589
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3589
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 0.10.0.0
>            Reporter: Damian Guy
>            Assignee: Guozhang Wang
>              Labels: architecture
>             Fix For: 0.10.0.0
>
>
> The implementation of KTable.count(inal KeyValueMapper<K, V, K1> selector, String name) passes null through as the parameters for the key and value serdes. This results in an NPE in the aggregate method when it does:
> ChangedSerializer<V1> changedValueSerializer = new ChangedSerializer<>(valueSerde.serializer());



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