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https://issues.apache.org/jira/browse/HTTPCORE-706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17476671#comment-17476671
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Arunan Sugunakumar commented on HTTPCORE-706:
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Hi Oleg,
I am still struggling to create an exact reproducer for my issue. But I found
this ticket[1], where the description matches my problem. As it says, the Read
mask is removed despite the remainder of the decrypted payload being available
in the {{SSLIOSession }}{{inPlain }}buffer. I assume that this issue is still
there for Chunked responses.
Also, another new finding that I made was the "endOfInput"[2] method in
NHttpClientEventHandler is never triggered in the newer versions when the
connection is closed by the opposite endpoint. I used the code
([^asyncbugtest.zip]) provided in [1], and ran it with httpcore-nio versions
4.4.9 and 4.4.15. As you can see in the below screenshots, endOfInput method
is triggered in 4.4.9 and not in 4.4.15.
*4.4.9*
!Screenshot 2022-01-15 at 23.29.23.png|width=849,height=271!
*4.4.15*
!Screenshot 2022-01-15 at 23.28.36.png|width=849,height=227!
Can this be reason for my issue? Your feedback is highly appreciated.
[1] - https://issues.apache.org/jira/browse/HTTPCORE-600
[2] -
[https://github.com/apache/httpcomponents-core/blob/4.4.x/httpcore-nio/src/main/java/org/apache/http/nio/NHttpClientEventHandler.java#L138]
Thanks & Regards,
Arunan
> Receiving incomplete payload from the backend after httpcore-nio version
> upgrade
> --------------------------------------------------------------------------------
>
> Key: HTTPCORE-706
> URL: https://issues.apache.org/jira/browse/HTTPCORE-706
> Project: HttpComponents HttpCore
> Issue Type: Bug
> Components: HttpCore NIO
> Affects Versions: 4.4.15
> Reporter: Arunan Sugunakumar
> Priority: Major
> Attachments: Screenshot 2022-01-15 at 23.28.36.png, Screenshot
> 2022-01-15 at 23.29.23.png, asyncbugtest.zip
>
>
> Hi,
> We recently migrated to httpcore-nio 4.4.14 and we have been encountering
> some issues when connecting to a 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.
> When we debugged the code we found out that the ChunkDecoder never completes,
> hence we are receiving the payload in half. In SSLEnginImpl, when the
> close_notify event _"RECV TLSv1.2 ALERT: warning, close_notify"_ is
> received, it makes the _sslEngine.isInboundDone()_ as true. There are couples
> of fixes[1][2] done in SSLIOSession class which makes the SSLIOSession into
> _CLOSING_ state[3] and makes _endOfStream_ as true[4]. As a result,
> ChunkDecoder never gets completed and the connection gets closed before
> receiving the complete payload. This worked completely fine when we were
> using httpcore-nio 4.3.3.
> I will try to provide a simplified version of the code that reproduces the
> issue. In the meantime, is it possible to provide your feedback on whether
> such behavior is expected?
> [1] -
> https://github.com/apache/httpcomponents-core/commit/08d9c3c30d57def4963d0807bce5f3023f5fcb35
> [2] -
> [https://github.com/apache/httpcomponents-core/commit/01f3d30cfa3b1bf643a8ea5733fdd3bde8c56abd]
> [3] -
> [https://github.com/apache/httpcomponents-core/blob/4.4.14-RC2/httpcore-nio/src/main/java/org/apache/http/nio/reactor/ssl/SSLIOSession.java#L380]
> [4] -
> [https://github.com/apache/httpcomponents-core/blob/4.4.14-RC2/httpcore-nio/src/main/java/org/apache/http/nio/reactor/ssl/SSLIOSession.java#L527]
>
> Thanks & Regards,
> Arunan
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