On Wed, 11 Feb 2026 20:28:15 GMT, Ioi Lam <[email protected]> wrote: > We are seeing intermittent failures (12 times in Jan 2026) where the CDS > archives generated in the JDK build is not deterministic. > > The symptom is that (perhaps due to the peculiarity of hash codes and memory > addressing??) the constant pool entry for `ReferenceKey<?>` in the > `WeakReferenceKey` class is not resolved when the failure happens. Probably > it's due to a particular layout in the hashtable such that we have no > collisions so the `WeakReferenceKey::equals()` method is never called. > > The fix is for the JVM to call a method in `WeakReferenceKey` to force this > entry to be resolved.
This pull request has now been integrated. Changeset: 33c9f20b Author: Ioi Lam <[email protected]> URL: https://git.openjdk.org/jdk/commit/33c9f20bef05239ee016d980dc69a3d583ce8293 Stats: 42 lines in 4 files changed: 39 ins; 1 del; 2 mod 8377712: ConstantPool of WeakReferenceKey is not deterministic in CDS archive Reviewed-by: liach, kvn ------------- PR: https://git.openjdk.org/jdk/pull/29678
