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https://issues.apache.org/jira/browse/IGNITE-4209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Chugunov updated IGNITE-4209:
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Summary: Semaphore gets broken when node finishes normally and leaves
topology (was: Semaphore gets broken when one of nodes finishes normally and
leaves topology)
> Semaphore gets broken when node finishes normally and leaves topology
> ---------------------------------------------------------------------
>
> Key: IGNITE-4209
> URL: https://issues.apache.org/jira/browse/IGNITE-4209
> Project: Ignite
> Issue Type: Bug
> Reporter: Sergey Chugunov
>
> h4. Notes
> Bug is reproducible with latest version of code available in master branch.
> As [~vladisav] suggested (see link to mailing list below) root cause of the
> bug may be that current implementation handles EVT_NODE_LEFT and
> EVT_NODE_FAILED events in the same way and puts semaphore to a broken state.
> h4. Steps to reproduce
> # Using *ExampleNodeStartup* class start two or more server nodes.
> # Using *IgniteSemaphoreExample* class run example and let it finish (it
> should finish normally and then terminate).
> # Run *IgniteSemaphoreExample* once again.
> h4. Expected behavior
> Second execution of the same example finishes successfully.
> h4. Actual behavior
> Second execution hangs forever, node running example never finishes.
> Developers mailing list discussion: [semaphore unexpected
> behavior|http://apache-ignite-developers.2346864.n4.nabble.com/IGNITE-4155-IgniteSemaphoreExample-unexpected-behavior-td12077.html].
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