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https://issues.apache.org/jira/browse/HTTPCLIENT-2024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17285203#comment-17285203
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Romain Manni-Bucau commented on HTTPCLIENT-2024:
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[~olegk] I disagree, I understand you defend the "implement the spec only" side
of things but fact is HTTP is not about respecting spec but working with most
servers. Since httpclient is almost the only client to not work when
Connection:close is missing (actually connection is missing it seems) it should
be fixed and it is a client bug, not a server bug since http spec allows that.
Very concretely, it is a client bug to use pooling when it is not enabled to do
so. Lastly, fixing the server is rarely possible so not an option so very
minimum httpclient should do is to properly log it (ie not
_NoHttpResponseException_ but "connection was staled, fix your client
configuration" - just requires to track the connection was blindly kept in the
pool) and propose a trivial config on the pooling manager to workaround it (I
proposed to use ttl=0 which would be the obvious fix if possible to not
consider 0 as infinite in next minor).
> NoHttpResponseException on high Load
> ------------------------------------
>
> Key: HTTPCLIENT-2024
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2024
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (classic)
> Affects Versions: 4.5.7
> Reporter: shatk
> Priority: Major
> Labels: camel-http4,, http-client
>
>
> Getting _NoHttpResponseException : host:port failed to respond_ on high
> Load.
> This is happening for httpclient-4.5.7 as well as httpclient-4.5.10 version
> of apache http client on high load [100 TPS]
> Apache http client is used internally by camel http4.
> [https://github.com/HydAu/Camel/blob/master/components/camel-http4/src/main/java/org/apache/camel/component/http4/HttpComponent.java]
> > camel http4 connection config :
> connectionsPerRoute : 100
> maxTotalConnections : 1000
>
>
>
>
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