RFR: 8170305: URLConnection doesn't handle HTTP/1.1 1xx (informational) messages [v4]

[Jaikiran Pai]

On Mon, 12 Sep 2022 12:52:00 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> Jaikiran Pai has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix test server to avoid hang in test
>
> test/jdk/java/net/HttpURLConnection/Response1xxTest.java line 225:
> 
>> 223:         final HttpURLConnection urlConnection = (HttpURLConnection) requestURI.toURL().openConnection();
>> 224:         // we expect the request to fail because the server unexpectedly sends a 101 response
>> 225:         Assert.assertThrows(IOException.class, () -> urlConnection.getResponseCode());
> 
> Should we explicitly wait for ProtocolException here, since it's what we're throwing?

I initially thought about that, but since the API javadoc doesn't specifically talk about this sub-type of `IOException`, I decided it's perhaps better not to start expecting it. However, if it's OK for the test to rely on this (internal) knowledge then I'll go ahead and change it.

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