Java 运行时错误

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请任何人帮助我解决此错误

Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems: 
    schemes cannot be resolved to a variable
    schemes cannot be resolved
    schemes cannot be resolved
    schemes cannot be resolved to a variable
at org.jvnet.substance.utils.SubstanceColorSchemeUtilities.getColorSchemes(SubstanceColorSchemeUtilities.java:615)
at org.jvnet.substance.api.SubstanceSkin.getColorSchemes(SubstanceSkin.java:635)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at javax.swing.UIManager.setLookAndFeel(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(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$1.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)

Answer 1

Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems: schemes cannot be resolved to a variable schemes cannot be resolved schemes cannot be resolved schemes cannot be resolved to a variable

这表明基本上您甚至不应该尝试运行代码 - 它不会编译。如果您使用的是 Eclipse，那么当您尝试运行代码时应该会收到一个警告对话框，说明它没有完全编译——此时正确的做法几乎总是不运行它。如果您使用的是不同的 IDE，它可能不会弹出对话框，但您仍然应该能够在任何可用的错误 ListView 中看到错误。

内getColorSchemes方法，你试图引用一个名为 schemes 的变量。显然没有在任何地方宣布。如果没有看到代码，我们不能说更多，但它可能就像有一个名为 colorSchemes 的变量一样简单。而不是 schemes ，或类似的东西。