On Tue, 23 Sep 2025 13:59:38 GMT, Josiah Noel <d...@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. >> >> - Adds a new flag checking if the incoming request is an upgrade request. >> - When receiving an upgrade request, directly return the input/output stream >> - 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 > > Josiah Noel has updated the pull request incrementally with one additional > commit since the last revision: > > address pr comments Thank you for taking the time to review. > In both cases the server _is required_ to send a 101 Switching protocols > response, any other response means that the server decided to keep using HTTP > 1.1. It does not appear that this is the case. Looking at [rfc9110](https://www.rfc-editor.org/rfc/rfc9110.html#name-upgrade), a server can send other status codes to reject the connection, such as 426 or ignore the header altogether and not upgrade as you say. ------------- PR Comment: https://git.openjdk.org/jdk/pull/27069#issuecomment-3324187810