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https://issues.apache.org/jira/browse/HTTPCORE-718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17573802#comment-17573802
 ] 

Sajinie Kavindya commented on HTTPCORE-718:
-------------------------------------------

[~olegk]  Something like below. 

{code:java}
        BasicNIOConnPool pool = <...>
        HttpAsyncRequester requester = new HttpAsyncRequester(httpproc);
        HttpHost target = new HttpHost("localhost", 7005, "https");

        for (int index = 0; index < 6; index++) {
            BasicHttpRequest request = new BasicHttpRequest("GET", "/");
            HttpCoreContext coreContext = HttpCoreContext.create();

            requester.execute(
                    new BasicAsyncRequestProducer(target, request),
                    new BasicAsyncResponseConsumer(),
                    pool,
                    coreContext,
                    new FutureCallback<HttpResponse>() {
                        <.....>
                    });
        }
{code}

Not sure if I have done something wrong there. If so, kindly explain it to me. 
Also, appreciate it if you can explain the expected behaviors for each scenario 
you have mentioned above.

Thanks,
Sajinie

> Getting org.apache.http.ConnectionClosedException after httpcore-nio version 
> upgrade
> ------------------------------------------------------------------------------------
>
>                 Key: HTTPCORE-718
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-718
>             Project: HttpComponents HttpCore
>          Issue Type: Bug
>          Components: HttpCore NIO
>    Affects Versions: 4.4.15
>         Environment: Java version: 11.0.15.1
> OS: macOS Monterey (Version 12.12.1) 
>            Reporter: Sajinie Kavindya
>            Priority: Major
>         Attachments: HttpNIOTestClient-1.zip, HttpNIOTestClient.zip
>
>
> We recently migrated to httpcore-nio 4.4.15 and we have been encountering 
> some issues when connecting to an HTTPS Backend that sends chunked responses. 
> The backend behaves in such a manner that when it sends the response, it 
> immediately closes the connection after completion. 
> We have attached a reproducer to this ticket and the behavior is as below.
> When httpcore-nio 4.4.15 is used, the client gets the error:
> {code:java}
> org.apache.http.ConnectionClosedException: Connection closed 
> unexpectedly{code}
> But, when httpcore-nio 4.4.5 is used, the client receives the complete 
> response, which was sent from the backend.
> We further checked on the following versions and the observations are as 
> below. 
>  * httpcore-nio 4.4.10 - receives the complete response
>  * httpcore-nio 4.4.11 - receives org.apache.http.ConnectionClosedException
> In order to replicate the issue, we did a few changes to the 
> consumeContent(final ContentDecoder decoder) method inside the 
> SimpleInputBuffer class. You may find the changes in the attached source code.
> In order to test the behavior, please run the Main class: 
> “{*}TestChunkedBackend{*}”.
> Tested environment:
>  * Java version: 11.0.15.1
>  * OS: macOS Monterey (Version 12.12.1) 
> A similar issue can be found here 
> [https://issues.apache.org/jira/browse/HTTPCORE-706|http://example.com]
> Thanks & Regards,
> Sajinie
>  



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