Arunan Sugunakumar created HTTPCORE-706:
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Summary: 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
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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