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https://issues.apache.org/jira/browse/SAMZA-2416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rayman updated SAMZA-2416:
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Issue Type: Bug (was: Improvement)
> Adding null-check before incrementing metrics for bytesSerialized
> -----------------------------------------------------------------
>
> Key: SAMZA-2416
> URL: https://issues.apache.org/jira/browse/SAMZA-2416
> Project: Samza
> Issue Type: Bug
> Reporter: Rayman
> Priority: Major
>
> Adding null-check before incrementing metrics for bytesSerialized
> Symptom: User serde-serialization logic can choose to serialize non-null
> objects to a null, which implies delete the value. In this case, current code
> tries to increment the metrics using the size of the null and fails with an
> NPE.
> Cause: Current code tries to increment the bytesSerialized metrics using the
> size of the null and fails with an NPE.
> Fix: Added logic to skip metric value update if serde returns null.
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