One potential scenario I see is that many users may just end up disabling JPMS in all their applications to the point that it's significantly revised or scaled back for Java 10 or later.
On 23 April 2017 at 11:04, Gary Gregory <[email protected]> wrote: > 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=31ecd1f6b6d1eaf8886ac902a24de4 > 18%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 > > > > > > > > -- Matt Sicker <[email protected]>
