Added java9args for launching crucible

java9args.txt

@@ -0,0 +1,36 @@
+--illegal-access=warn
+-Djava.security.manager=allow
+-Dfile.encoding=UTF-8
+-Dcrucible.weAreJava9=true
+--add-opens
+java.base/jdk.internal.loader=ALL-UNNAMED
+--add-opens
+java.base/java.net=ALL-UNNAMED
+--add-opens
+java.base/java.nio=ALL-UNNAMED
+--add-opens
+java.base/java.io=ALL-UNNAMED
+--add-opens
+java.base/java.lang=ALL-UNNAMED
+--add-opens
+java.base/java.lang.reflect=ALL-UNNAMED
+--add-opens
+java.base/java.text=ALL-UNNAMED
+--add-opens
+java.base/java.util=ALL-UNNAMED
+--add-opens
+java.base/jdk.internal.reflect=ALL-UNNAMED
+--add-opens
+java.base/sun.nio.ch=ALL-UNNAMED
+--add-opens
+jdk.naming.dns/com.sun.jndi.dns=ALL-UNNAMED,java.naming
+--add-opens
+java.desktop/sun.awt.image=ALL-UNNAMED
+--add-opens
+java.desktop/com.sun.imageio.plugins.png=ALL-UNNAMED
+--add-modules jdk.dynalink
+--add-opens
+jdk.dynalink/jdk.dynalink.beans=ALL-UNNAMED
+--add-modules java.sql.rowset
+--add-opens
+java.sql.rowset/javax.sql.rowset.serial=ALL-UNNAMED

src/main/java/io/github/crucible/bootstrap/Lwjgl3ifyGlue.java

@@ -57,9 +57,14 @@ public class Lwjgl3ifyGlue {
     public static void checkJava() {
         System.out.println("[Crucible] Crucible now supports Java 8-17 by embedding a modified version of lwjgl3ify (https://github.com/GTNewHorizons/lwjgl3ify/).");
         System.out.println("[Crucible] Do not report issues to upstream. All issues with newer Java version must be reported to Crucible's issue tracker instead.");
+        final String specVer = System.getProperty("java.specification.version");
+
+        // Is there any jvm where the specs is 8 instead of 1.8?
+        if (!Boolean.getBoolean("crucible.weAreJava9") && !(specVer.equals("1.8"))) {
+            System.out.println("[Crucible] Looks like you are missing the special java9+, the server may not launch without them.");
+        }
 
         if (!Boolean.getBoolean("lwjgl3ify.skipjavacheck")) {
-            final String specVer = System.getProperty("java.specification.version");
             if (specVer.equals("17")) {
                 try {
                     final Class<?> cRuntime = Class.forName("java.lang.Runtime");