[jira] [Created] (CURATOR-51) LeaderSelector with custom Executor does not guarantee unique leadership

["Henrik Nordvik (JIRA)" <ji...@apache.org>]

Henrik Nordvik created CURATOR-51:
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             Summary: LeaderSelector with custom Executor does not guarantee unique leadership
                 Key: CURATOR-51
                 URL: https://issues.apache.org/jira/browse/CURATOR-51
             Project: Apache Curator
          Issue Type: Bug
            Reporter: Henrik Nordvik
            Assignee: Jordan Zimmerman
            Priority: Minor


When providing a custom executor to the leader selector it creates a thread that waits for leadership.
When it has leadership, it submits a runnable to the custom executor and then release leadership. 

If the executor is is e.g. a ThreadPoolExecutor, the takeLeadership method is executed asynchrounously, after releasing leadership.

Is this a bug or am I missing the point of using my own executor?

I have attached an example which shows multiple leaders being elected at the same time.
(The example uses curator 1.3.3, but I think it is the same in 2.x)

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