請問這段是什麼意思啊,我需要去那裡做什麼更改呢
Exception in thread "main" java.lang.NoClassDefFoundError: sun/awt/image/PixelConverter
at sun.java2d.loops.SurfaceType.<clinit>(SurfaceType.java:227)
at sun.java2d.NullSurfaceData.<init>(NullSurfaceData.java:46)
at sun.java2d.NullSurfaceData.<clinit>(NullSurfaceData.java:43)
at sun.java2d.SurfaceData.initIDs(Native Method)
at sun.java2d.SurfaceData.<clinit>(SurfaceData.java:118)
at sun.awt.windows.WToolkit.initIDs(Native Method)
at sun.awt.windows.WToolkit.<clinit>(WToolkit.java:117)
at sun.awt.Win32GraphicsEnvironment.<clinit>(Win32GraphicsEnvironment.java:66)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:259)
at java.awt.GraphicsEnvironment.createGE(GraphicsEnvironment.java:102)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:81)
at java.awt.Window.initGC(Window.java:475)
at java.awt.Window.init(Window.java:495)
at java.awt.Window.<init>(Window.java:537)
at java.awt.Frame.<init>(Frame.java:420)
at java.awt.Frame.<init>(Frame.java:385)
at javax.swing.JFrame.<init>(JFrame.java:181)
at com.eric.gui.J_Main.<init>(J_Main.java:194)
at com.eric.gui.J_Main.getInstance(J_Main.java:246)
at com.lineage.Server.main(Server.java:165)
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