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<div class="moz-cite-prefix">On 21/11/2025 15:52, Fredriksson,
Christian wrote:<br>
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<blockquote type="cite" cite="mid:GVZP280MB03792EBD9E7DCEE2F1A9E8A0FDD5A@GVZP280MB0379.SWEP280.PROD.OUTLOOK.COM">
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<p class="MsoNormal">Hey,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I believe I have found a bug with JDK 25
and virtual threads, but will need some guidance in what
information I need to provide in order to file a bug.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Short version: after changing from JDK 21
to JDK 25, doing Thread.sleep(1) in a virtual thread now
sometimes takes up to 60 seconds (!).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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</blockquote>
Thanks for the mail. Do you have a standalone test that uses the
loop in your mail that we could use to study this? The timer
support has changed significantly twice between JDK 21 and JDK 25.
From your mail then it could be a pathological case that leads to
starvation, or it could be related to recently reported bug [1].<br>
<br>
-Alan<br>
<br>
[1] <a class="moz-txt-link-freetext" href="https://bugs.openjdk.org/browse/JDK-8370887">https://bugs.openjdk.org/browse/JDK-8370887</a><br>
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