Oops thanks. So I think the issue is that StreamSpliterators.java has this line bufferSink = ph.wrapSink(b::accept); that creates a Sink that never returns true in cancellationRequested() which is needed to get flatMap() to stop looping.
On Thu, Aug 15, 2019 at 7:43 PM David Holmes <david.hol...@oracle.com> wrote: > > Re-directing to core-libs-dev > > David > > On 15/08/2019 7:48 pm, Stephen Buergler wrote: > > Not really sure where to send this. > > flatMap was fixed so that it doesn't prevent short circuiting. > > https://bugs.openjdk.java.net/browse/JDK-8075939 > > If you replace the test cases in the ticket with versions that use > > .iterator().next() instead of .findFirst().get() then the problem > > still happens. > > I just tested this with openjdk:14 on docker hub. > >