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https://issues.apache.org/jira/browse/HTTPCLIENT-1814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-1814.
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Resolution: Information Provided
NoHttpResponseException basically means that the origin server or any of
intermediate proxy hops dropped connection without returning a valid response.
This is as much a server side issue as it is client side.
One can mitigate the problem by combination of these measures
#1 validating persistent connections when leased from the connection pool
#2 limiting total time to live (TTL) of persistent connections
#3 evicting persistent connections from the connection pool after a certain
period of inactivity
#4 automatically re-trying safe requests.
Please send your further inquiries to the user list. JIRA is an issue tracker,
not a forum.
Oleg
> NoHttpResponseException occuring randomly
> -----------------------------------------
>
> Key: HTTPCLIENT-1814
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1814
> Project: HttpComponents HttpClient
> Issue Type: Test
> Environment: Unix
> Reporter: shikhi shekhar
> Priority: Minor
> Attachments: CustomHttpRequestRetryHandler.txt,
> TestHttpConnectionManager.txt
>
>
> Situation - I was previously using commons-httpclient 3.1 version and wanted
> to upgrade to httpclient 4.5.2 couple of months back.
> Action - I configured the httpClient (Config file is attached) my application.
> Problem - I am randomly getting NoHttpResponseException and its hard to
> replicate in local environment / debug mode.
> Below is how errors look like
> org.springframework.web.client.ResourceAccessException: I/O error on POST
> request for
> "https://test.example.com/test-services/serviceOneTest":test.example.com:443
> failed to respond; nested exception is
> org.apache.http.NoHttpResponseException: test.example.com:443 failed to
> respond
> Steps to resolve the issue based on online research and what other developers
> have faced previously were I included setting of retry count and
> validateAfterInactivity in configuration java class. It reduced the number of
> exceptions but till 0.15% (actual requests 200,000) of requests fails with
> this error.
> Questions.
> 1. Is there any thing obvious I am missing in configuration of httpclient.
> 2. Or What would be a good way to replicate the problem in local. So that I
> can provide you with more data.
> 3. Can you guide us to right direction.
> Let me know if you need any further details. Would be happy to provide you
> Thanks
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