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Posted to dev@kafka.apache.org by "HARSHIT AGARWAL (JIRA)" <ji...@apache.org> on 2019/02/07 04:54:00 UTC

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

HARSHIT AGARWAL created KAFKA-7905:
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             Summary: 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
         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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