[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-653) mod_cluster DefaultMCMPHandler should handle "Connection: close" response header and close a connection

[Radoslav Husar (JIRA)]

     [ https://issues.jboss.org/browse/MODCLUSTER-653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Radoslav Husar updated MODCLUSTER-653:
--------------------------------------
              Status: Pull Request Sent  (was: Coding In Progress)
    Git Pull Request: https://github.com/modcluster/mod_cluster/pull/326, https://github.com/modcluster/mod_cluster/pull/327, https://github.com/modcluster/mod_cluster/pull/328


> mod_cluster DefaultMCMPHandler should handle "Connection: close" response header and close a connection
> -------------------------------------------------------------------------------------------------------
>
>                 Key: MODCLUSTER-653
>                 URL: https://issues.jboss.org/browse/MODCLUSTER-653
>             Project: mod_cluster
>          Issue Type: Bug
>          Components: Core & Container Integration (Java)
>    Affects Versions: 1.3.7.Final
>            Reporter: Masafumi Miura
>            Assignee: Radoslav Husar
>             Fix For: 1.4.0.Final, 2.0.0.Alpha1, 1.3.10.Final
>
>
> mod_cluster {{DefaultMCMPHandler#sendRequest()}} does not close a connection when Apache httpd closes a connection and responds to MCMP STATUS request with "{{Connection: close}}" response header. (As {{KeepAlive Off}} is set by default, Apache httpd closes a connection and responds to MCMP STATUS request with "{{Connection: close}}".) Therefore, CLOSE_WAIT connection remains every MCMP STATUS command. 
> This CLOSE_WAIT connection will be cleaned when trying to send the next MCMP STATUS request, so there's no functional impact. And this is not a critical issue as neither connection leak nor file descriptor leak happens. However, it's better that mod_cluster handles the "{{Connection: close}}" response header and close a connection.



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