[jira] Commented: (SMXCOMP-758) Http Provider runs out of connections

["Ioannis Canellos (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/activemq/browse/SMXCOMP-758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61108#action_61108 ] 

Ioannis Canellos commented on SMXCOMP-758:
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Jean-Baptiste Onofré, indeed servicemix-http 2009.01 uses Jetty 6.1.14 whereas servicemix-http 2010.01 uses Jetty 6.1.22.

In one of the projects I have been working on I used 2009.01 built using Jetty 6.1.22 (to avoid some bugs that were resolved after 6.1.15). I experienced a similar behavior.

I exposed Jetty's connection pool via jmx  and I saw that there in some occasions*, a lot of connections were marked as idle (and eventually run out of connections, the max connection number was reached and all connections were marked as idle, but none of the idle connections was used).
 
This issue is solved for me if build servicemix-http 2009.01 using jetty 6.1.15.

*: By some occasions I mean keeping a steady low traffic and periodically switching to no traffic.

Also note that since version 2008.01 of servicemix-http the only version of jetty I found to be production ready was 6.1.15 (I've tried combining servicemix-http with various jetty versions).

> Http Provider runs out of connections
> -------------------------------------
>
>                 Key: SMXCOMP-758
>                 URL: https://issues.apache.org/activemq/browse/SMXCOMP-758
>             Project: ServiceMix Components
>          Issue Type: Bug
>          Components: servicemix-http
>    Affects Versions: servicemix-http-2010.01
>         Environment: Servicemix 3.3.2
>            Reporter: Hough van Wyk
>            Assignee: Jean-Baptiste Onofré
>            Priority: Blocker
>
> I upgraded from servicemix-http-2009.01 to servicemix-http-2010.01. While running some stress testing  (about 7 messages/s)  after about 7000 exchanges  none of my exchanges for http provider go through. I debugged and found that in HttpDestination I had a maxConnetions of 32 connections and 32 connection objects in _connections. No new connections are made. There is no way to recover from this problem and I have to restart service mix to release the connections. 
> If I revert back to 2009.01 all is working perfectly.

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