Hi Eric Feel free to enter a feature request and better yet propose a fix :-)
Have a good weekend! Best Lance > On Apr 10, 2020, at 2:59 PM, Eirik Bjørsnøs <eir...@gmail.com> wrote: > > I recently needed to re-implement multi-release lookup logic for a > ModuleReader capable of reading modules from unpacked (exploded) jar files > [1] > > It occurred to me that JarFile.getVersionedEntry checks _every_ version > between 8 and the runtime version when looking up paths. > > Since META-INF/versions will probably be sparsely populated, I'm wondering > if something could be done to avoid checking 20 different paths in OpenJDK > 28. > > Perhaps scanning META-INF/versions once when opening the file could work, > then only check existing versions in getVersionedEntry? > > Maybe a premature optimization today, but with the new release cadence, > this problem is going to surface at some point in the future, right? > > [1] > https://mail.openjdk.java.net/pipermail/jigsaw-dev/2020-April/014414.html > > Eirik. <http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif> <http://oracle.com/us/design/oracle-email-sig-198324.gif>Lance Andersen| Principal Member of Technical Staff | +1.781.442.2037 Oracle Java Engineering 1 Network Drive Burlington, MA 01803 lance.ander...@oracle.com <mailto:lance.ander...@oracle.com>
