[infinispan-issues] [JBoss JIRA] (ISPN-11885) ChannelPool can get in inconsistent state with concurrent release and close of a channel

[Will Burns (Jira)]

     [ https://issues.redhat.com/browse/ISPN-11885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Will Burns updated ISPN-11885:
------------------------------
              Status: Pull Request Sent  (was: Open)
    Git Pull Request: https://github.com/infinispan/infinispan/pull/8358


> ChannelPool can get in inconsistent state with concurrent release and close of a channel
> ----------------------------------------------------------------------------------------
>
>                 Key: ISPN-11885
>                 URL: https://issues.redhat.com/browse/ISPN-11885
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Hot Rod
>    Affects Versions: 10.1.8.Final
>            Reporter: Will Burns
>            Priority: Major
>             Fix For: 11.0.0.CR1
>
>
> While working on https://github.com/infinispan/infinispan/pull/8358 I found that the changes introduced allowed for a test failure to occur much more often. Upon investigation the issue is that the channel pool can close a channel and then release it which gets it in an inconsistent state.
> Looking closer it appears to be a bug in the ChannelPool class when a connection is closed before release completes.
> {code}
> 23:42:12,203 TRACE (DistributionRetryTest-Client-Async-1-2:[]) [ChannelPool] Closed channel [id: 0x27befd37, L:/127.0.0.1:37412 ! R:127.0.0.1/127.0.0.1:33943], created = 0, idle = false, active = 0
> 23:42:12,203 TRACE (testng-DistributionRetryTest:[]) [ChannelPool] Released channel [id: 0x27befd37, L:/127.0.0.1:37412 ! R:127.0.0.1/127.0.0.1:33943], active = -1
> {code}
> Here is the trace of it working where is is released before being closed.
> {code}
> 23:46:42,649 TRACE (testng-DistributionRetryTest:[]) [ChannelPool] Released channel [id: 0xeb9159ef, L:/127.0.0.1:39342 - R:127.0.0.1/127.0.0.1:41537], active = 0
> 23:46:42,792 TRACE (testng-DistributionRetryTest:[]) [ChannelPool] Activated record [id: 0x0b71d548, L:/127.0.0.1:51392 - R:127.0.0.1/127.0.0.1:37881], created = 1, active = 1
> 23:46:42,793 TRACE (DistributionRetryTest-Client-Async-1-3:[]) [ChannelPool] Closed channel [id: 0xeb9159ef, L:/127.0.0.1:39342 ! R:127.0.0.1/127.0.0.1:41537], created = 0, idle = true, active = 0
> {code}



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