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https://issues.apache.org/jira/browse/ZOOKEEPER-2697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Enrico Olivelli updated ZOOKEEPER-2697:
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    Description: 
As seen in ZOOKEEPER-1394 I would like to have the "close"  which waits for all 
background activities to  finish.
In tests the method "testableWaitForShutdown" is used.

We can add a new ZooKeeper.close(boolean force)  method which will act as 
testableWaitForShutdown, joining all support threads.

  was:
As seen in ZOOKEEPER-1394 I would like to have the "close"  which waits for all 
background activities to  finish.

In tests the method "testableWaitForShutdown" is used.

My proposal is to add a new boolean configuration options "gracefulClose" 
(defaults to "false") which adds a logic similar to testableWaitForShutdown at 
the end of "close" methd.

I would like to add a new configuration property in order to make third party 
libraries which only call "close" but have a "configurabile" ZooKeeper instance 
to leverage this new feature


> Handle graceful stop of ZookKeeper client
> -----------------------------------------
>
>                 Key: ZOOKEEPER-2697
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2697
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: java client
>    Affects Versions: 3.4.9
>            Reporter: Enrico Olivelli
>            Priority: Critical
>
> As seen in ZOOKEEPER-1394 I would like to have the "close"  which waits for 
> all background activities to  finish.
> In tests the method "testableWaitForShutdown" is used.
> We can add a new ZooKeeper.close(boolean force)  method which will act as 
> testableWaitForShutdown, joining all support threads.



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