RFR: 8170305: URLConnection doesn't handle HTTP/1.1 1xx (informational) messages [v3]

[Michael McMahon]

On Mon, 12 Sep 2022 07:45:44 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> Can I please get a review of this change which proposes to fix https://bugs.openjdk.org/browse/JDK-8170305?
>> 
>> The commit in this PR changes the internal implementation of `HttpURLConnection` to ignore interim informational 1xx responses from server and continue to wait for the final response. This is a similar fix to what we did in the new `HttpClient` API in https://github.com/openjdk/jdk/pull/10169.
>> 
>> A new test has been added to use the `HttpURLConnection` to reproduce the issue and verify the fix.
>> 
>> tier1, tier2 and tier3 testing is in progress with this change.
>
> Jaikiran Pai has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add a log message when ignorning 1xx responses

I just tested the latest patch and the new test hangs for me. I can send you the stack trace to take a look.

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PR: https://git.openjdk.org/jdk/pull/10229