[jira] [Comment Edited] (KAFKA-7905) KTable Reduce Allow Null value to be pass in Subtractor

["HARSHIT AGARWAL (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-7905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16762879#comment-16762879 ] 

HARSHIT AGARWAL edited comment on KAFKA-7905 at 2/7/19 6:53 PM:
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HI [~bbejeck]

I am using 1.0.0 quite an old version of Kafka Streams. Does this issue has been resolved in latest version of Kafka Streams?

 

Thanks

Harshit


was (Author: agrrwal):
HI [~bbejeck]

I am using 1.0.0 quite an old version of Kafka Streams. Does this issue has been is resolved in latest version of Kafka Streams?

 

Thanks

Harshit

> KTable Reduce Allow Null value to be pass in Subtractor
> -------------------------------------------------------
>
>                 Key: KAFKA-7905
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7905
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>            Reporter: HARSHIT AGARWAL
>            Priority: Major
>         Attachments: KTableReduceExceptionTrace.txt
>
>
> KTable Reduce Allow Null value to be pass in Subtractor.
> .reduce((aggValue, newValue) -> addCounts(aggValue, newValue),
>  (aggValue, oldValue) -> subtractCounts(*{color:#FF0000}aggValue{color}*, oldValue))
> *{color:#FF0000}aggValue{color}* passed by *{color:#FF0000}{color}* org.apache.kafka.streams.kstream.internals.KTableReduce.java is {color:#FF0000}*null*{color}.
>  
> Please find attached Exception Trace.



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