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https://issues.apache.org/jira/browse/IGNITE-4173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16176312#comment-16176312
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Vladisav Jelisavcic commented on IGNITE-4173:
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Hi Evgenii, in order for the permits to be recovered after the failure of
acquiring semaphore, there must be at least one (other than the failing)
semaphore alive; If not, there is no one to do the recovery and the permits get
wasted (this is exactly what happens when you initialize second semaphore after
the first one is broken, as in your scenario). This specific test was made to
point out a bug (which was resolved) where semaphore was not able to recover
properly because of lazy initialization.
> IgniteSemaphore with failoverSafe enabled doesn't release permits in case
> permits owner node left topology
> ----------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-4173
> URL: https://issues.apache.org/jira/browse/IGNITE-4173
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 1.7
> Reporter: Andrey Gura
> Assignee: Vladisav Jelisavcic
> Fix For: 2.0
>
>
> {{IgniteSemaphore}} with {{failoverSafe}} enabled doesn't release permits in
> case permits owner node left topology.
> See reproducer in test class {{SemaphoreFailoverSafeReleasePermitsTest}}.
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