Thanks! I cannot reproduce the problem on 13-ea b06 (I was using b03). - August
On Sun, Feb 3, 2019 at 5:10 AM Daniel Fuchs <daniel.fu...@oracle.com> wrote: > Hi, > > It looks like this is JDK-8214418 - which has been fixed > in 12.0.1 b03 and 13-ea b04. The issue was with the > half closed semantics of the SSL engine in TLS 1.3. > > This is only loosely related to > https://bugs.openjdk.java.net/browse/JDK-8217094 > (we found that while testing the fix to JDK-8214418) > but JDK-8217094 is also fixed in 13-ea b04. > > If you're testing on 13-ea, could you make sure to test on > a recent build >= b04? > > best regards, > > -- daniel > > > On 03/02/2019 03:38, August Nagro wrote: > > Hello, > > > > When using multiple threads to send HttpRequests from a static final > > HttpClient instance, I noticed that CPU use spikes after a minute or so. > > > > I created a reproducible example that I've tested on Java 11.0.2 and > > 13-ea: > https://gist.github.com/AugustNagro/fec5f7895bd8bb5db66f2ed9cfafc35c > > > > This bug never occurs when using a single thread. Also, switching TLS to > > 1.2 or 1.1 does not fix the issue. Looking at VisualVM it seems that > > SSLFlowDelegate is entering some sort of race condition. > > > > Is this a bug in java.net.HttpClient, or should I not be accessing the > > HttpClient from multiple threads? > > > > Regards, > > > > August Nagro > > > > PS: Could this be related to (fixed) > > https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8217094? > >
