[infinispan-issues] [JBoss JIRA] (ISPN-10050) unlock for fqn does not work while two udp packet received

[Dan Berindei (Jira)]

    [ https://issues.jboss.org/browse/ISPN-10050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13708189#comment-13708189 ] 

Dan Berindei commented on ISPN-10050:
-------------------------------------

Infinispan relies on JGroups UNICASTx and NAKACKx protocols to provide reliability, and they ignore duplicate UDP packets.

Unfortunately the tree module isn't properly maintained, and we don't investigate bugs in old versions either. Maybe you can reproduce it with 9.4.9.Final?

> unlock for fqn does not work while two udp packet received
> ----------------------------------------------------------
>
>                 Key: ISPN-10050
>                 URL: https://issues.jboss.org/browse/ISPN-10050
>             Project: Infinispan
>          Issue Type: Enhancement
>          Components: Core
>    Affects Versions: 7.2.5.Final
>            Reporter: 俐佳 张
>            Priority: Minor
>              Labels: lock
>         Attachments: t783, t785
>
>
> when udp packet received twice, two threads try to acquire the lock, lock was acquired successfully twice. But  unlock only executed ones. That cause fqn couldn't be released.



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