Java Applet未运行

如何解决Java Applet未运行

我使用eclipse运行applet时遇到问题，applet出现黑屏，尽管正确安装了jdk，但什么也没出现

此图显示了小程序请帮帮我。

这是我得到的错误：

Exception in thread "Animation Thread" java.lang.RuntimeException: javax.media.opengl.GLException: Caught RuntimeException: Framebuffer objects are not supported by this hardware (or driver) Read http://wiki.processing.org/w/OpenGL_Issues for help. on thread AWT-EventQueue-1
    at com.jogamp.common.util.awt.AWTEDTExecutor.invoke(AWTEDTExecutor.java:58)
    at jogamp.opengl.awt.AWTThreadingPlugin.invokeOnOpenGLThread(AWTThreadingPlugin.java:103)
    at jogamp.opengl.ThreadingImpl.invokeOnOpenGLThread(ThreadingImpl.java:201)
    at javax.media.opengl.Threading.invokeOnOpenGLThread(Threading.java:202)
    at javax.media.opengl.Threading.invoke(Threading.java:221)
    at javax.media.opengl.awt.GLCanvas.display(GLCanvas.java:525)
    at processing.opengl.PJOGL.requestDraw(PJOGL.java:698)
    at processing.opengl.PGraphicsOpenGL.requestDraw(PGraphicsOpenGL.java:1656)
    at processing.core.PApplet.run(PApplet.java:2260)
    at java.lang.Thread.run(Unknown Source)
Caused by: javax.media.opengl.GLException: Caught RuntimeException: Framebuffer objects are not supported by this hardware (or driver) Read http://wiki.processing.org/w/OpenGL_Issues for help. on thread AWT-EventQueue-1
    at javax.media.opengl.GLException.newGLException(GLException.java:75)
    at jogamp.opengl.GLDrawableHelper.invokeGLImpl(GLDrawableHelper.java:1311)
    at jogamp.opengl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:1131)
    at javax.media.opengl.awt.GLCanvas$11.run(GLCanvas.java:1394)
    at java.awt.event.InvocationEvent.dispatch(Unknown Source)
    at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
    at java.awt.EventQueue.access$500(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.awt.EventQueue$3.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
    at java.awt.EventQueue.dispatchEvent(Unknown Source)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
    at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.RuntimeException: Framebuffer objects are not supported by this hardware (or driver) Read http://wiki.processing.org/w/OpenGL_Issues for help.
    at processing.opengl.PJOGL$PGLListener.init(PJOGL.java:890)
    at jogamp.opengl.GLDrawableHelper.init(GLDrawableHelper.java:640)
    at jogamp.opengl.GLDrawableHelper.init(GLDrawableHelper.java:662)
    at javax.media.opengl.awt.GLCanvas$9.run(GLCanvas.java:1366)
    at jogamp.opengl.GLDrawableHelper.invokeGLImpl(GLDrawableHelper.java:1275)
    ... 16 more
OpenGL error 1280 at top beginDraw(): invalid enumerant

这是代码：

package module1;

import processing.core.PApplet;
import de.fhpotsdam.unfolding.UnfoldingMap;
import de.fhpotsdam.unfolding.geo.Location;
import de.fhpotsdam.unfolding.providers.AbstractMapProvider;
import de.fhpotsdam.unfolding.providers.Google;
import de.fhpotsdam.unfolding.providers.MBTilesMapProvider;
import de.fhpotsdam.unfolding.utils.MapUtils;

/** HelloWorld
  * An application with two maps side-by-side zoomed in on different locations.
  * Author: UC San Diego Coursera Intermediate Programming team
  * @author Your name here
  * Date: July 17,2015
  * */
public class HelloWorld extends PApplet
{
    /** Your goal: add code to display second map,zoom in,and customize the background.
     * Feel free to copy and use this code,adding to it,modifying it,etc.  
     * Don't forget the import lines above. */

    // You can ignore this.  It's to keep eclipse from reporting a warning
    private static final long serialVersionUID = 1L;

    /** This is where to find the local tiles,for working without an Internet connection */
    public static String mbTilesString = "blankLight-1-3.mbtiles";
    
    // IF YOU ARE WORKING OFFLINE: Change the value of this variable to true
    private static final boolean offline = false;
    
    /** The map we use to display our home town: La Jolla,CA */
    UnfoldingMap map1;
    
    /** The map you will use to display your home town */ 
    UnfoldingMap map2;

    public void setup() {
        size(800,600,P2D);  // Set up the Applet window to be 800x600
                              // The OPENGL argument indicates to use the 
                              // Processing library's 2D drawing
                              // You'll learn more about processing in Module 3

    // This sets the background color for the Applet.  
    // Play around with these numbers and see what happens!
    this.background(200,200,200);
    
    // Select a map provider
    AbstractMapProvider provider = new Google.GoogleTerrainProvider();
    // Set a zoom level
    int zoomLevel = 10;
    
    if (offline) {
        // If you are working offline,you need to use this provider 
        // to work with the maps that are local on your computer.  
        provider = new MBTilesMapProvider(mbTilesString);
        // 3 is the maximum zoom level for working offline
        zoomLevel = 3;
    }
    
    // Create a new UnfoldingMap to be displayed in this window.  
    // The 2nd-5th arguments give the map's x,y,width and height
    // When you create your map we want you to play around with these 
    // arguments to get your second map in the right place.
    // The 6th argument specifies the map provider.  
    // There are several providers built-in.
    // Note if you are working offline you must use the MBTilesMapProvider
    map1 = new UnfoldingMap(this,50,350,500,provider);

    // The next line zooms in and centers the map at 
    // 32.9 (latitude) and -117.2 (longitude)
    map1.zoomAndPanTo(zoomLevel,new Location(32.9f,-117.2f));
    
    // This line makes the map interactive
    MapUtils.createDefaultEventDispatcher(this,map1);
    
    // TODO: Add code here that creates map2 
    // Then you'll modify draw() below

}

/** Draw the Applet window.  */
public void draw() {
    // So far we only draw map1...
    // TODO: Add code so that both maps are displayed
    map1.draw();
}


}

此代码来自UCSandeigo的面向对象编程课程。

如何解决Java Applet未运行

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