Worse: Are Java 9 modules its Titanic? https://developer.jboss.org/blogs/scott.stark/2017/04/14/critical-deficiencies-in-jigsawjsr-376-java-platform-module-system-ec-member-concerns
Gary On Apr 22, 2017 5:02 PM, "Ralph Goers" <[email protected]> wrote: > This is an interesting look at the problems faced in getting Hibernate to > work. http://stackoverflow.com/questions/43258796/hibernate- > support-for-java-9 <http://stackoverflow.com/questions/43258796/hibernate- > support-for-java-9>. > > The issue with the compile problem with javax.xml are familiar to me - I > had to modify some Log4j code to not use the DataType converter as it isn’t > present in the java.base module. > > Ralph > > > On Apr 22, 2017, at 4:40 PM, Ralph Goers <[email protected]> > wrote: > > > > Oh - I just reread this. S far as I know Java 9 has a scheduled release > date. It is July 27. > > > > BTW - here is the complete set of features - https://docs.oracle.com/ > javase/9/whatsnew/toc.htm#JSNEW-GUID-BA9D8AF6-E706-4327-8909-F6747B8F35C5 > <https://docs.oracle.com/javase/9/whatsnew/toc.htm# > JSNEW-GUID-BA9D8AF6-E706-4327-8909-F6747B8F35C5>. > > > > Ralph > > > > > >> On Apr 22, 2017, at 10:45 AM, Gary Gregory <[email protected]> > wrote: > >> > >> Let me play devil's advocate here for a sec... > >> > >> Java 9 modules and this auto naming business sounds painful. Is there > any > >> chance that this feature will be ignored like java.util.logging is or > >> should be? > >> > >> Can we stop tying ourselves into unreleased pretzels over a moving > target > >> since we do not know when Java 9 will be out. > >> > >> Can't we refocus this energy on getting the best out of Java 8? > >> > >> Ducking from incoming tomatoes, > >> Gary > >> > >> On Fri, Apr 21, 2017 at 8:48 PM, Matt Sicker <[email protected]> wrote: > >> > >>> I'm a fan of splitting packages up better due to OSGi support in the > first > >>> place. Hierarchical packaging is definitely something new (OSGi doesn't > >>> care about that; each package is considered separately), and it could > help > >>> in making some classes more organized. > >>> > >>> On 21 April 2017 at 14:55, Stefan Bodewig <[email protected]> wrote: > >>> > >>>> On 2017-04-21, Ralph Goers wrote: > >>>> > >>>>> I have not started work on this yet, but from looking at > >>>>> http://blog.joda.org/2017/04/java-9-modules-jpms-basics.html > >>>>> <http://blog.joda.org/2017/04/java-9-modules-jpms-basics.html> it > >>>>> seems we are going to have problems with a) plugins that are in > >>>>> different jars (modules) that use the same namespace and b) > log4j-core > >>>>> as it currently exists. > >>>> > >>>>> Item b is a problem because the module-info for log4j-core should > have > >>>>> a requires ONLY for log4j-api. For example, I’m not sure how we can > >>>>> have an optional dependency on Jackson. > >>>> > >>>> requires static module-name-of-jackson; > >>>> > >>>> http://cr.openjdk.java.net/~mr/jigsaw/spec/lang-vm.html section 1.1.1 > >>>> > >>>> The requires keyword may be followed by the modifier static. This > >>>> specifies that the dependence, while mandatory at compile time, is > >>>> optional at run time. > >>>> > >>>> Of course "requires static" captures this way more clearly than > "require > >>>> optional" which was proposed intially > >>>> http://openjdk.java.net/projects/jigsaw/doc/topics/optional.html > >>>> > >>>> :-) > >>>> > >>>> Without knowing the structure of log4j too well I agree the strict > >>>> package hierarchies mandated by JPMS will be a problem. Probably for > >>>> many other projects with more than one artifact as well. > >>>> > >>>> Stefan > >>>> > >>> > >>> > >>> > >>> -- > >>> Matt Sicker <[email protected]> > >>> > >> > >> > >> > >> -- > >> E-Mail: [email protected] | [email protected] > >> Java Persistence with Hibernate, Second Edition > >> <https://www.amazon.com/gp/product/1617290459/ref=as_li_ > tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459& > linkCode=as2&tag=garygregory-20&linkId=cadb800f39946ec62ea2b1af9fe6a2b8> > >> > >> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a= > 1617290459> > >> JUnit in Action, Second Edition > >> <https://www.amazon.com/gp/product/1935182021/ref=as_li_ > tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021& > linkCode=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de418%22 > > > >> > >> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a= > 1935182021> > >> Spring Batch in Action > >> <https://www.amazon.com/gp/product/1935182951/ref=as_li_ > tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951& > linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B% > 7Blink_id%7D%7D%22%3ESpring+Batch+in+Action> > >> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l=am2&o=1&a= > 1935182951> > >> Blog: http://garygregory.wordpress.com > >> Home: http://garygregory.com/ > >> Tweet! http://twitter.com/GaryGregory > > > >
