On Tue, 13 Feb 2024, 10:19 koteswara Rao Gundapaneni, <
koti.gundapan...@gmail.com> wrote:
> Happy-go-lucky
>
What I think happens is
Tomcat starts shutdown
Endpoint is destroyed
AprLifecycleListener shuts down native library
I would say the above points are fundamental to agree
>
>
>
> Regards
> Koti
>
>
> On Thu, 8 Feb 2024, 22:37 Mark Thomas, <ma...@apache.org> wrote:
>
>> Hi all,
>>
>> TL;DR tagging likely delayed while APR/native stability issue is addressed
>>
>> We have had a couple of issues with test stability in the last few days.
>>
>> The issues with 11.0.x and 10.1.x were caused by the incomplete
>> convenience binary for Tomcat Native 2.0.7. That should be resolved now.
>> The 11.0.x tests are already green and I am expecting 10.1.x to be green
>> for the next run.
>>
>> 9.0.x and 8.5.x are a little more interesting. The instability was
>> triggered by the change to allow users to provide an SSLContext directly
>> to SSLHostConfigCertificate. This changed the timing of endpoint
>> destruction enough to make the intermittent APR crashes much more
>> frequent - almost on every run.
>>
>> The good news is that the more frequent crashes made it easier to
>> investigate. My current theory is related to the cleanup of
>> OpenSSLContext. In 9.0.x and 8.5.x clean-up of this object is performed
>> by a finalizer. This is to support runtime replacement of the
>> SSLHostContext.
>>
>> What I think happens is:
>> - Tomcat starts shutdown
>> - Endpoint is destroyed
>> - AprLifecycleListener shuts down Native library
>> - finalizer runs and tries to reference native code leading to a crash
>>
>> I have some initial ideas on how we might handle this better. The quick
>> and dirty fix was to force GC and add a delay in
>> AprLifecycleListener.terminateAPR() but that was just a hack to test the
>> theory.
>>
>> Back to working out a more robust fix...
>>
>> Mark
>>
>>
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>>
