[jira] Updated: (SMXCOMP-838) file descriptors leak with new http provider endpoint when having a wrong provider's target url

["Matias Urbieta (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SMXCOMP-838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matias Urbieta updated SMXCOMP-838:
-----------------------------------

    Attachment: FDIssueExample.tgz

Example that shows how file descriptors are consumed but released.

> file descriptors leak with new http provider endpoint when having a wrong provider's target url
> -----------------------------------------------------------------------------------------------
>
>                 Key: SMXCOMP-838
>                 URL: https://issues.apache.org/jira/browse/SMXCOMP-838
>             Project: ServiceMix Components
>          Issue Type: Bug
>          Components: servicemix-http
>    Affects Versions: servicemix-http-2009.01, servicemix-http-2009.02, servicemix-http-2010.01
>         Environment: Linux  2.6.35-23-generic-pae #41-Ubuntu SMP i686 GNU/Linux
> SMX- web app distribution
> jboss 4.3 
>            Reporter: Matias Urbieta
>         Attachments: FDIssueExample.tgz
>
>
> Hi all! i have been facing a connection leak when using new http provider endpoints.
> The component consumes linux kernel's file descriptors when provider endpoint points to non existing URL.
> To test it, i have attached a single http proxy that consumes requests that are sent thro a http provider with a wrong target URL. it can be consumed using the following line:
> wget **serviceURL** --post-data="<msg>amsg</msg>"
> Each time a request is done, a file descriptor is consumed but released. It can be detected by counting consumed file descriptor:
> ps aux |grep java # helps to determine which SMX process id 
> lsof -p **smxProcessId** | wc -l #counts smx file descriptors
> As long requests are done, last command line will show an increasing usage fd count. Then maximum allowed file descriptor is reached, SMX stop working because it cant open any kind of connection.
> Regards

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