RFR: 8349670: HttpServer: sending interim responses fails after JDK-7026262 [v19]

[Daniel Fuchs]

On Thu, 9 Oct 2025 17:38:57 GMT, Josiah Noel <duke at openjdk.org> wrote:

>> Following the guideline of the last comment on [JDK-8349670](https://bugs.openjdk.org/browse/JDK-8349670?focusedId=14794649&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14794649), resolves the issue where sending a 1xx status code would close the input stream, preventing the server from reading the body. 
>> 
>> - When a 1xx status code is sent by `sendResponseHeaders`, the input/output streams will not be closed prematurely.
>> - sentHeaders will not be set to true when sending 1xx status codes
>> - 100-continue will be sent automatically when trying to read the inputstream if `Expect: 100-continue` header is present
>
> Josiah Noel has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Update Send1xxResponsesTest.java
>  - Update Send1xxResponsesTest.java

test/jdk/com/sun/net/httpserver/Send1xxResponsesTest.java line 223:

> 221:             if (statusCodes.size() != expectedStatusCodes.length) {
> 222:                 System.out.println("Expected status codes: " + Arrays.toString(expectedStatusCodes));
> 223:                 System.out.println("Received status codes: " + statusCodes);

Sorry, I was not clear. I meant include the lists in the exception message - not print them in stdout

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PR Review Comment: https://git.openjdk.org/jdk/pull/27069#discussion_r2417483737