On Thu, 28 Sep 2023 10:05:06 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.
>
> Daniel Fuchs has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   improved logic in whenCancelled

LGTM. Thanks!

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

Marked as reviewed by djelinski (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15883#pullrequestreview-1648380213

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