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这就是我的文件结构的样子

我这样称呼我的形象：

ImageIO.read(this.getClass().getResource("../res/image1.gif"));

当我从命令行运行它时，java -jar "testWebStartRes.jar"我的图像会加载。当我将它部署为 GlassFish 服务器上的 Web 启动应用程序时，从 JNLP 启动它时找不到图像。

堆栈跟踪：

    Detected from bootclasspath: C:\\Program Files\\Java\\jdk1.7.0\\jre\\lib\\deploy.jar
java.lang.IllegalArgumentException: input == null!
    at javax.imageio.ImageIO.read(ImageIO.java:1388)
    at main.Main.setAppIcon(Main.java:42)
    at main.Main.<init>(Main.java:19)
    at main.Main$1.run(Main.java:34)
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
    at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:705)
    at java.awt.EventQueue.access$000(EventQueue.java:101)
    at java.awt.EventQueue$3.run(EventQueue.java:666)
    at java.awt.EventQueue$3.run(EventQueue.java:664)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:675)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Null Image

编辑：使问题更容易理解。Andrew Thompson 解决了如何使用单独的 jar 部署 web start 应用程序。

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