If I understand Dragans point right, the warning comes when analyzing the code. Not just running Ivy. So the normal user won't see the warning. Maybe we should implement a warning?
Jan > -----Ursprüngliche Nachricht----- > Von: Jaikiran Pai [mailto:jaiki...@apache.org] > Gesendet: Mittwoch, 10. Oktober 2018 07:08 > An: dev@ant.apache.org > Betreff: Re: Java 11 Compatibility Problem > > I agree with Stefan, at the moment I recommend ignoring those warnings. > There isn't anything else we can do (other than removing support for > pack200, which isn't a good option). > > -Jaikiran > > > On 10/10/18 9:56 AM, Stefan Bodewig wrote: > > Hi Krzysztof > > > > I'm not actively working on Ivy so take my response with a grain of > > salt. > > > > On 2018-10-09, Dragan, Krzysztof wrote: > > > >> Hi, > >> scanning latest version of Apache Ivy(2.5.0-rc-1) using jdeprscan on > >> jdk11 I noticed two problems with this jar. > >> These two methods using internal jdk marked for removal and will be > deleted: > >> * class org/apache/ivy/util/FileUtil uses deprecated class > >> java/util/jar/Pack200$Unpacker (forRemoval=true) > >> * class org/apache/ivy/util/FileUtil uses deprecated class > >> java/util/jar/Pack200 (forRemoval=true) > > For background see https://openjdk.java.net/jeps/336 > > > > The Java community has decided to eventually remove support for the > > pack200 format, but it still is there in Java11. Right now this is > > only a warning, it will only become a real problem once the classes > > actually get removed. They do not offer any alternative > implementation > > right now, and may never do (unlike the JAXB case, which is available > > as an external library now). > > > > I am aware of an alternative based on the former Apache Harmony code > > in https://github.com/pfirmstone/pack200 but am unsure about its > state > > - both technically and legally - I very vaguely recall the Pack200 > > spec was encumbered with Oracle patents but may be totally wrong. > > > > In Ivy's case the only save option right now was to remove support > for > > pack200 archives and break existing setups that consume such archives > > which seems to be excessive just in order to get rid of a warning. > > > > If yu ask me I'd recommend to live with the warning for now and wait > > for an alternative to the class library's pack200 classes to become > > available - which hopefully happens before the Java version removing > > support gets released. > > > > Stefan > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: dev-unsubscr...@ant.apache.org For additional > > commands, e-mail: dev-h...@ant.apache.org > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@ant.apache.org For additional > commands, e-mail: dev-h...@ant.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@ant.apache.org For additional commands, e-mail: dev-h...@ant.apache.org
