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https://issues.apache.org/jira/browse/GEARPUMP-278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manu Zhang resolved GEARPUMP-278.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 0.8.3

Issue resolved by pull request 154
[https://github.com/apache/incubator-gearpump/pull/154]

> Default value skipped for START_CLOCK on ClockService
> -----------------------------------------------------
>
>                 Key: GEARPUMP-278
>                 URL: https://issues.apache.org/jira/browse/GEARPUMP-278
>             Project: Apache Gearpump
>          Issue Type: Bug
>    Affects Versions: 0.8.2
>            Reporter: Manu Zhang
>            Assignee: Manu Zhang
>             Fix For: 0.8.3
>
>
> The cause is when we get {{START_CLOCK}} from {{AppDataStore}}, it is 
> converted to {{TimeStamp}} or {{Long}}. If we haven't stored a previous 
> value, then {{null}} is expected. That's why we do 
> {{Option(clock).getOrElse(0L)}}. In fact, {{0}} is returned when {{null}} is 
> converted to {{Long}}, which makes the default value useless.



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