Peter Frank created HTTPCORE-613:
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             Summary: Add staleConnectionCheckEnabled=true semantic behavior in 
validateAfterInactivity config
                 Key: HTTPCORE-613
                 URL: https://issues.apache.org/jira/browse/HTTPCORE-613
             Project: HttpComponents HttpCore
          Issue Type: Improvement
          Components: HttpCore
    Affects Versions: 4.4.12
            Reporter: Peter Frank


Between HttpClient 4.4.x and 4.5.x setStaleConnectionCheckEnabled was 
deprecated in favor of setValidateAfterInactivity.  That's all fine, however, 
the implementation of setValidateAfterInactivity has no ability to check if a 
connection is stale all the time.  The closest one can get is 1 ms, and that's 
unfortunately not short enough in a test environment scenario when a test Http 
Server is being restarted between Tests to clear out state.

This is a common issue on the internet for people that use something like 
Wiremock, the irony is troubleshooting the situation makes it go away (cause 
logging slows the tests).

I would suggest making 0 a special value to "turn on" validation all the time.

With HttpClient 5 removing the old staleConnectionCheckEnabled completely with 
a piece of what that feature actually did also being removed I fear it will 
leave me, and perhaps others, in a bit of a lurch.  Thanks!



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