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Ship it!





ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java
 (line 328)
<https://reviews.apache.org/r/46944/#comment195847>

    Since this is now only being done in the constructor, I don't think this 
needs to be volatile anymore:
    
    private volatile Map<String, Service> services = null;


- Jonathan Hurley


On May 5, 2016, 8:47 a.m., Oliver Szabo wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/46944/
> -----------------------------------------------------------
> 
> (Updated May 5, 2016, 8:47 a.m.)
> 
> 
> Review request for Ambari, Jonathan Hurley, Laszlo Puskas, Myroslav 
> Papirkovskyy, and Sebastian Toader.
> 
> 
> Bugs: AMBARI-16230
>     https://issues.apache.org/jira/browse/AMBARI-16230
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> 2 different type of errors can occur during adding any new service to Ambari:
> 
> org.apache.ambari.server.AmbariException: Unable to create a default alert 
> group for unknown service <SERVICE_NAME> in cluster
> 
> org.apache.ambari.server.ServiceNotFoundException: Service not found, 
> clusterName=c1, serviceName=<SERVICE_NAME>
> 
> The reason is that: ServiceInstalledEvent can be handled quicker than 
> ServiceImpl.persist() can finish
> 
> 
> Diffs
> -----
> 
>   
> ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ServiceResourceProvider.java
>  47342f3 
>   ambari-server/src/main/java/org/apache/ambari/server/state/ServiceImpl.java 
> 487489b 
>   
> ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java
>  f38c25a 
>   ambari-server/src/test/java/org/apache/ambari/server/events/EventsTest.java 
> a3d05a9 
>   ambari-server/src/test/java/org/apache/ambari/server/orm/OrmTestHelper.java 
> 19146fd 
>   
> ambari-server/src/test/java/org/apache/ambari/server/state/alerts/AlertEventPublisherTest.java
>  d1b27a9 
>   
> ambari-server/src/test/java/org/apache/ambari/server/state/alerts/InitialAlertEventTest.java
>  1875ba6 
> 
> Diff: https://reviews.apache.org/r/46944/diff/
> 
> 
> Testing
> -------
> 
> Unit Testing is in progress..
> FT: added new services about 10 times, has no any errors thrown.
> 
> 
> Thanks,
> 
> Oliver Szabo
> 
>

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