Re: Is there some central information available on Java 9 compatibility for Clojure and tools

[Ivan Pierre]

There are already some posts about the work to do (a little bit)

Java 9 was recently released on September 21st, 2017. If you’re a Clojure 
developer, you’re probably keen to try it out to see some of the new 
features and performance improvements available. To do so, you need to do a 
few things. For most projects, this will be a small to moderate amount of 
work. 
https://www.deps.co/blog/how-to-upgrade-clojure-projects-to-use-java-9/
An old video where the problems are described
https://www.youtube.com/watch?v=4fevIDAxQAM

You have to use last Clojure and Leiningen version, so use of library is 
dependent on the update thereof... ;)

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Re: Is there some central information available on Java 9 compatibility for Clojure and tools

[Ghadi Shayban]

Clojure always worked on Java 9 but lein and boot were broken for a while. Now 
they're fixed.

The only remaining defect is the inability for Clojure to call static interface 
methods which are a new thing in Java 8. The bytecode verifier in Java 9 added 
a small backwards incompatible check that made those static interface calls 
break. (They have to be encoded a slightly different way) You can use Java 
reflection to make those calls.

http://dev.clojure.org/jira/browse/CLJ-2284

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Re: Is there some central information available on Java 9 compatibility for Clojure and tools

[Stuart Sierra]

There's no single source, but you can find issues with Clojure and contrib 
libraries by searching the Clojure JIRA  for 
"Java 9".

Toby Crawley started a small collection of known issues at 
github.com/tobias/clojure-java-9

–S

On Sunday, February 25, 2018 at 11:01:43 AM UTC-5, Arie van Wingerden wrote:
>
> Some time ago I tried Java 9 and reverted back to 8 when I ran into 
> problems.
> Is there conclusive info on the versions which will definitely (not) work 
> correctly with Java 9?
>

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Is there some central information available on Java 9 compatibility for Clojure and tools

[Arie van Wingerden]

Some time ago I tried Java 9 and reverted back to 8 when I ran into 
problems.

Is there conclusive info on the versions which will definitely (not) work 
correctly with Java 9?
   - Clojure itself
   - Leiningen
   - LightTable
   - etc.

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