idea运行java代码出现一堆错误是为什么？

Question

  

• import com.sun.image.codec.jpeg.*;
  import java.awt.image.*;
  import java.awt.geom.*;
  import java.awt.*;
  import java.io.*;
  class PaintCanvas extends Canvas {
     BufferedImage image;
     Graphics2D g_2d;
     PaintCanvas() {
        image=new BufferedImage(300,300,BufferedImage.TYPE_INT_RGB);
        g_2d=image.createGraphics();
        Rectangle2D rect = new Rectangle2D.Double(0,0,300,300);
        Ellipse2D ellipse= new Ellipse2D. Double (30,30,80,30);
        g_2d.setColor(Color.yellow);
        g_2d.fill(rect); 
        g_2d.setColor(Color.black);
        AffineTransform trans=new  AffineTransform(); 
        for(int i=1;i<=24;i++){
           trans.rotate(15.0*Math.PI/180,70,45);
           g_2d.setTransform(trans);
           g_2d.draw(ellipse); 
        }
     }
     public BufferedImage getImage() {
        return image;
     }
  }
  public class JPG {
    public static void main(String args[]) {
      try {  
         JPEGImageEncoder encoder=
         JPEGCodec.createJPEGEncoder(new FileOutputStream("geometry.jpg"));
         PaintCanvas canvas=new PaintCanvas(); 
         encoder.encode(canvas.getImage());
      }
      catch(Exception ee) {}
    }
  }

  

 

• Error:Internal error: (java.lang.NoClassDefFoundError) Could not initialize class com.intellij.util.io.FileChannelUtil
  java.lang.NoClassDefFoundError: Could not initialize class com.intellij.util.io.FileChannelUtil
  	at com.intellij.util.io.ReadWriteDirectBufferWrapper$FileContext$1.execute(ReadWriteDirectBufferWrapper.java:50)
  	at com.intellij.util.io.ReadWriteDirectBufferWrapper$FileContext$1.execute(ReadWriteDirectBufferWrapper.java:42)
  	at com.intellij.openapi.util.io.FileUtilRt.doIOOperation(FileUtilRt.java:945)
  	at com.intellij.util.io.ReadWriteDirectBufferWrapper$FileContext.<init>(ReadWriteDirectBufferWrapper.java:42)
  	at com.intellij.util.io.ReadWriteDirectBufferWrapper.create(ReadWriteDirectBufferWrapper.java:27)
  	at com.intellij.util.io.DirectBufferWrapper.getBuffer(DirectBufferWrapper.java:24)
  	at com.intellij.util.io.ReadWriteDirectBufferWrapper.getBuffer(ReadWriteDirectBufferWrapper.java:16)
  	at com.intellij.util.io.PagedFileStorage$StorageLock.createValue(PagedFileStorage.java:631)
  	at com.intellij.util.io.PagedFileStorage$StorageLock.get(PagedFileStorage.java:558)
  	at com.intellij.util.io.PagedFileStorage$StorageLock.access$500(PagedFileStorage.java:466)
  	at com.intellij.util.io.PagedFileStorage.getBufferWrapper(PagedFileStorage.java:407)
  	at com.intellij.util.io.PagedFileStorage.getBuffer(PagedFileStorage.java:371)
  	at com.intellij.util.io.PagedFileStorage.putInt(PagedFileStorage.java:144)
  	at com.intellij.util.io.ResizeableMappedFile.putInt(ResizeableMappedFile.java:222)
  	at com.intellij.util.io.PersistentEnumeratorBase.markDirty(PersistentEnumeratorBase.java:597)
  	at com.intellij.util.io.PersistentEnumeratorBase.<init>(PersistentEnumeratorBase.java:185)
  	at com.intellij.util.io.PersistentBTreeEnumerator.<init>(PersistentBTreeEnumerator.java:73)
  	at com.intellij.util.io.PersistentEnumeratorDelegate.<init>(PersistentEnumeratorDelegate.java:47)
  	at com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:149)
  	at com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:138)
  	at com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:129)
  	at com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:121)
  	at com.intellij.util.io.PersistentHashMap.<init>(PersistentHashMap.java:114)
  	at org.jetbrains.jps.incremental.storage.AbstractStateStorage.createMap(AbstractStateStorage.java:124)
  	at org.jetbrains.jps.incremental.storage.AbstractStateStorage.<init>(AbstractStateStorage.java:27)
  	at org.jetbrains.jps.incremental.storage.FileTimestampStorage.<init>(FileTimestampStorage.java:27)
  	at org.jetbrains.jps.incremental.storage.ProjectStamps.<init>(ProjectStamps.java:39)
  	at org.jetbrains.jps.incremental.storage.ProjectTimestamps.<init>(ProjectTimestamps.java:19)
  	at org.jetbrains.jps.cmdline.BuildRunner.load(BuildRunner.java:92)
  	at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:274)
  	at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:130)
  	at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler.lambda$channelRead0$0(BuildMain.java:232)
  	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
  	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
  	at java.base/java.lang.Thread.run(Thread.java:831)
  

 

Answer 1

Could not initialize class com.intellij.util.io.FileChannelUtil不能实例化