Compilation failure

[ssadedin]

I tried to build master following the instructions provided, but I get this:

192-168-1-11:GroovyLab simon.sadedin$ gradle build

> Task :compileJava 
/Volumes/Space2/tools/GroovyLab/GroovyLab-Src/gExec/gLab/FileTreeExplorer.java:25: error: package jdk.jshell does not exist
import jdk.jshell.SnippetEvent;
                 ^
/Volumes/Space2/tools/GroovyLab/GroovyLab-Src/gExec/gLab/gLab.java:31: error: package jdk.jshell does not exist
import jdk.jshell.JShell;
                 ^
/Volumes/Space2/tools/GroovyLab/GroovyLab-Src/gExec/gLab/gLab.java:32: error: package jdk.jshell does not exist
import jdk.jshell.Snippet;
                 ^
/Volumes/Space2/tools/GroovyLab/GroovyLab-Src/gExec/gLab/gLab.java:33: error: package jdk.jshell does not exist
import jdk.jshell.SnippetEvent;
                 ^
/Volumes/Space2/tools/GroovyLab/GroovyLab-Src/gExec/Interpreter/GlobalValues.java:34: error: package jdk.jshell does not exist
import jdk.jshell.JShell;
                 ^
/Volumes/Space2/tools/GroovyLab/GroovyLab-Src/gExec/gLab/gLab.java:537: error: cannot find symbol
        public static void snippetEventHandler(SnippetEvent se) {
                                               ^

[sterglee]

Perhaps you compiled with an old JDK,

GroovyLab needs Java 9+,

JShell does not exist prior to JDK9

[ssadedin]

That's it - might be worth adding that to the README? Couldn't see any mention that Java 9 is required.