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https://issues.apache.org/jira/browse/HTTPCLIENT-2318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-2318.
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Fix Version/s: 5.4-alpha2
Resolution: Fixed
> Implement HttpClientConnectionManager#isShutdown
> ------------------------------------------------
>
> Key: HTTPCLIENT-2318
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2318
> Project: HttpComponents HttpClient
> Issue Type: Improvement
> Components: HttpClient (classic)
> Reporter: Edmund Ham
> Assignee: Arturo Bernal
> Priority: Major
> Fix For: 5.4-alpha2
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Hi all,
> We have an internal library that has core logics and lots of microservices
> are using it. Within the internal library, we have "HttpClientPool" where we
> are caching different HttpClient based on keys and microservices are using
> them. Recently, we've been seeing some of OOM errors on microservices when
> using HttpClients from our "HttpClientPool".
> From https://issues.apache.org/jira/browse/HTTPCLIENT-2039 and
> https://issues.apache.org/jira/browse/HTTPCLIENT-1924 we understand that it
> is the intention to shutdown the connection pool in case of Java Errors. I'm
> now wondering if it's possible to have new API,
> "HttpClientConnectionManager#isShutdown" so that we as a library can identify
> if the connection pool is closed or not, before giving out to our clients?
> Currently there seems to be no way to identify it, unless we actually try to
> make an outbound call and get "IllegalStateException: Connection pool shut
> down" exception message, which makes impossible for us to do because we as a
> library don't want to make additional HTTP client call every time when our
> client requests for the HttpClient instance.
> Thanks!
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