OpenJDK11u: Backward incompatible behavior

Alexey Bakhtin alexey at azul.com
Tue Feb 25 13:43:15 UTC 2020


Hi Alan,

It seems this issue could be related to jtreg test jdk/sun/security/ssl/SSLSocketImpl/ClientTimeout.java
This test passed on JDK8 but fails on JDK11. The test was disabled by JDK-8196584 ( TLS 1.3 Implementation )
With patch provided this test works better but still fails. I’m trying to figure out if it is test or jdk issue.

Alexey

> On 25 Feb 2020, at 16:26, Alan Bateman <Alan.Bateman at oracle.com> wrote:
> 
> On 24/02/2020 16:32, Kumar Srinivasan wrote:
>> Hi Alexey,
>> 
>> Thanks for the update. I glossed over the changes.
>> 
>> Observation: I don’t see a regression test in your webrev, is this still a work in progress ?
>> 
>> I am very surprised, how a simple socket feature such as this, escape the JSN-test dragnet in the first place ?
>> 
> TLS 1.3 was a massive project. It went into jdk/jdk around June 2018. It's really important for changes like this to get as much testing, and interop testing, as possible. Several projects and individuals contributed by testing the EA builds and providing timing feedback and bug reports. We need more of this to be able to identify behavior changes like you reported because it's impossible for tests to catch everything.
> 
> -Alan

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