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Posted to issues@nifi.apache.org by "Bryan Bende (JIRA)" <ji...@apache.org> on 2019/02/14 18:31:00 UTC

[jira] [Resolved] (NIFI-6031) ListenTCP processor does not release connections if client disconnects abruptly

     [ https://issues.apache.org/jira/browse/NIFI-6031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Bende resolved NIFI-6031.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 1.9.0

> ListenTCP processor does not release connections if client disconnects abruptly
> -------------------------------------------------------------------------------
>
>                 Key: NIFI-6031
>                 URL: https://issues.apache.org/jira/browse/NIFI-6031
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.5.0
>            Reporter: Endre Kovacs
>            Assignee: Endre Kovacs
>            Priority: Minor
>             Fix For: 1.9.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> If a client connected to ListenTCP processor, gets disconnected abruptly: 
> (eg.: they disconnected their VPN to NiFi's network), the client-TCP-socket on the NiFi node will be seen lingering for an extended amount of time (eg.: such socket can linger in established state even after 12 hours after disconnection)
> Or till a manual workaround is done: the ListenTCP processor is restarted.
> An ideal fix would be to allow the underlying OS to poll the socket if the remote side is still alive, and disconnect it if not.



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