On Thu, 26 Jun 2025 00:38:17 GMT, David Holmes <dhol...@openjdk.org> wrote:
> > Line number info puts it in the _java_thread == null branch of: > > threadService.cpp > > 1317 vframeStream vfst(_java_thread != nullptr > > 1318 ? vframeStream(_java_thread, false, true, vthread_carrier) > > 1319 : vframeStream(java_lang_VirtualThread::continuation(_thread_h()))); > > <--- > > And it's looking inside the Handle _thread_h() within > > GetThreadSnapshotClosure which was setup by get_thread_snapshot, and it's a > > null pointer, > > But `_thread_h()` has already been used a number of times before we get here > and if it were null we should have crashed long ago. ??? I believe null here is not result of `_thread_h()`, but is returned by `java_lang_VirtualThread::continuation(...)` because `_thread_h` is lava.lang.Thread object and not java.lang.VirtualThread. ------------- PR Comment: https://git.openjdk.org/jdk/pull/25958#issuecomment-3014271659
