this might be helpful for people who are having problems with GL30 on osx

GL30Abstraction.java

package abstraction;

import Util.OsCheck;
import org.lwjgl.opengl.APPLEVertexArrayObject;
import org.lwjgl.opengl.GL30;

public final class GL30Abstraction {

    public static void glBindVertexArray( int array ) {
        OsCheck.OSType ostype = OsCheck.getOperatingSystemType();
        switch (ostype) {
            case Windows:
            case Linux:
            case Other:
                GL30.glBindVertexArray(array);
                break;
            case MacOS:
                APPLEVertexArrayObject.glBindVertexArrayAPPLE(array);
                break;
        }
    }

    public static int glGenVertexArrays() {
        OsCheck.OSType ostype = OsCheck.getOperatingSystemType();
        switch (ostype) {
            case Windows:
            case Linux:
            case Other:
                return GL30.glGenVertexArrays();
            case MacOS:
                return APPLEVertexArrayObject.glGenVertexArraysAPPLE();
        }

        return 0;
    }


    public static void glDeleteVertexArrays(int array) {
        OsCheck.OSType ostype = OsCheck.getOperatingSystemType();
        switch (ostype) {
            case Windows:
            case Linux:
            case Other:
                GL30.glDeleteVertexArrays(array);
              break;
            case MacOS:
                APPLEVertexArrayObject.glDeleteVertexArraysAPPLE(array);
                break;
        }
    }




}

OsCheck.java

package Util;

import java.util.Locale;

public final class OsCheck {
    /**
     * types of Operating Systems
     */
    public enum OSType {
        Windows, MacOS, Linux, Other
    };

    // cached result of OS detection
    protected static OSType detectedOS;

    /**
     * detect the operating system from the os.name System property and cache
     * the result
     *
     * @returns - the operating system detected
     */
    public static OSType getOperatingSystemType() {
        if (detectedOS == null) {
            String OS = System.getProperty("os.name", "generic").toLowerCase(Locale.ENGLISH);
            if ((OS.indexOf("mac") >= 0) || (OS.indexOf("darwin") >= 0)) {
                detectedOS = OSType.MacOS;
            } else if (OS.indexOf("win") >= 0) {
                detectedOS = OSType.Windows;
            } else if (OS.indexOf("nux") >= 0) {
                detectedOS = OSType.Linux;
            } else {
                detectedOS = OSType.Other;
            }
        }
        return detectedOS;
    }
}