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https://issues.apache.org/jira/browse/ZOOKEEPER-666?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mahadev konar updated ZOOKEEPER-666:
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Fix Version/s: 3.3.0
> Unsafe publication in client API
> --------------------------------
>
> Key: ZOOKEEPER-666
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-666
> Project: Zookeeper
> Issue Type: Bug
> Components: java client
> Affects Versions: 3.2.2
> Reporter: Martin Traverso
> Fix For: 3.3.0
>
>
> The following code may result in a data race due to unsafe publication of a
> reference to "this". The call to cnxn.start() spawns threads that have access
> to the partially-constructed reference to the ZooKeeper object.
> See http://www.ibm.com/developerworks/java/library/j-jtp0618.html for some
> background info.
> {noformat}
> public ZooKeeper(String connectString, int sessionTimeout, Watcher watcher)
> throws IOException
> {
> .....
> cnxn = new ClientCnxn(connectString, sessionTimeout, this,
> watchManager);
> cnxn.start();
> }
> {noformat}
> The obvious fix is to move the call to cnxn.start() into a separate start()
> method.
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