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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPASYNC-109) Requests in AbstractNIOConnPool.pending stays forever.
Date Tue, 02 Aug 2016 08:28:20 GMT

    [ https://issues.apache.org/jira/browse/HTTPASYNC-109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15403605#comment-15403605
] 

Oleg Kalnichevski commented on HTTPASYNC-109:
---------------------------------------------

@Kirill
Please provide a _complete_ context log of the session that exhibits the problem. 
http://hc.apache.org/httpcomponents-client-4.5.x/logging.html

@Bindul
Non-blocking version of HttpClient manages resources quite differently. Given its event driven
nature non-blocking HttpClient knows when it is safe to release the underlying connection
and can do it automatically. 

Oleg 

> Requests in AbstractNIOConnPool.pending stays forever.
> ------------------------------------------------------
>
>                 Key: HTTPASYNC-109
>                 URL: https://issues.apache.org/jira/browse/HTTPASYNC-109
>             Project: HttpComponents HttpAsyncClient
>          Issue Type: Bug
>    Affects Versions: 4.1.2
>            Reporter: Kirill Barkunov
>
> Hi!
> I have a client built this way:
> {code}
> IOReactorConfig ioReactorConfig = IOReactorConfig.custom()
>             .setIoThreadCount(Runtime.getRuntime().availableProcessors())
>             .setConnectTimeout(30000)
>             .setSoTimeout(30000)
>             .build();
>     private CloseableHttpAsyncClient httpAsyncClient = HttpAsyncClients.custom().setMaxConnTotal(150).setMaxConnPerRoute(130).setDefaultIOReactorConfig(ioReactorConfig).build();
> {code}
> I've noticied that on environment with a firewall enabled (I think it cuts all the socket
connection 5 minutes after their establishing) after some time client stops sending https
request. After a small investigation I've started to monitor insides of the client and noticied
that a few minutes after the client start - AbstractNIOConnPool.pending collection starts
to grow. At start it's 0. After few minutes it's 1-2. Then it starts to grow faster and few
minutes later it reaches maximum number of connections per route. And it stops work forever.
Only AbstractNIOConnPool.leasingRequests grows and no one of the new requests are processed.
> Target for all the requests is www.googleapis.com
> As I can understand from client insides load is like 1-5 request at a time.
> I mean before first "dead" request in AbstractNIOConnPool.pending the number of "leased"
and "available" is not more than 5.
> Best regards, Kirill.



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