Question

有人可以帮忙吗？

在Windows 10,64bit系统上。我刚安装了jre8和eclipse以及codenameone。然后我想运行一个演示应用程序（CameraDemo.java）。它构建正常，但在启动时出现tis错误崩溃：

Exception in thread "AWT-EventQueue-0" java.lang.VerifyError: Bad type on operand stack
Exception Details:
  Location:
    javax/swing/JScrollBar.getAccessibleContext()Ljavax/accessibility/AccessibleContext; @16: putfield
  Reason:
    Type 'javax/swing/JScrollBar$AccessibleJScrollBar' (current frame, stack[1]) is not assignable to 'javax/accessibility/AccessibleContext'
  Current Frame:
    bci: @16
    flags: { }
    locals: { 'javax/swing/JScrollBar' }
    stack: { 'javax/swing/JScrollBar', 'javax/swing/JScrollBar$AccessibleJScrollBar' }
  Bytecode:
    0x0000000: 2ab4 011b c700 0f2a bb00 a959 2ab7 0144
    0x0000010: b501 1b2a b401 1bb0                    
  Stackmap Table:
    same_frame(@19)

    at com.codename1.impl.javase.JavaSEPort.<init>(JavaSEPort.java:365)
    at com.codename1.impl.ImplementationFactory.createImplementation(ImplementationFactory.java:69)
    at com.codename1.ui.Display.init(Display.java:565)
    at com.codename1.impl.javase.Executor$1.run(Executor.java:112)
    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)

我做了一些进一步的研究。所有的codenameonde演示都是一样的，即使我自己做了一个小的codenameone项目，但对于我的任何java项目来说都没有问题。所以它似乎与codenameone有关。

尝试启动Codenameone演示应用程序时出错

0 个答案: