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From "shikhi shekhar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCLIENT-1814) NoHttpResponseException occuring randomly
Date Tue, 14 Feb 2017 21:03:41 GMT
shikhi shekhar created HTTPCLIENT-1814:

             Summary: 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.


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


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