On Fri, 22 Sep 2023 09:01:28 GMT, Daniel Fuchs <[email protected]> wrote:

> Hi, 
> 
> Please find below a fix for 8316580: HttpClient with StructuredTaskScope does 
> not close when a task fails.
> 
> The problem here is a subtle reference release issue: Interrupting the 
> VirtualThread means that the CompletableFuture returned by sendAsync is 
> eligible for GC after having been cancelled, which in turn means that some of 
> the intermediate operations that would have been completed before that CF was 
> completed get eligible for being GC’ed too. One of these intermediate 
> operations is the action that decrements the ref counting. Since the refcount 
> isn’t decremented properly, the client won’t exit. 
> 
> Holding onto the CompletableFuture returned to the caller by 
> HttpClient::sendAsync until that CompletableFuture gets completed from 
> upstream fixes the issue.

This pull request has now been integrated.

Changeset: fc989986
Author:    Daniel Fuchs <[email protected]>
URL:       
https://git.openjdk.org/jdk/commit/fc98998627443d6e73ac70661f47f48b30525712
Stats:     463 lines in 4 files changed: 436 ins; 10 del; 17 mod

8316580: HttpClient with StructuredTaskScope does not close when a task fails

Reviewed-by: djelinski

-------------

PR: https://git.openjdk.org/jdk/pull/15883

Reply via email to