Question

在运行J2ME程序的时候，eclipse不报错，但是程序不能运行，会出现模拟器一闪就关闭，其他的程序可以运行。

java.io.IOException
at javax.microedition.lcdui.ImmutableImage.getImageFromStream(+15)
at javax.microedition.lcdui.ImmutableImage.<init>(+20)
at javax.microedition.lcdui.Image.createImage(+8)
at src.GameImage.imglong(+25)
at src.GameMap.<init>(+4478)
at src.MyGameCanvas.<init>(+696)
at src.MIDlet.startApp(+12)
at javax.microedition.midlet.MIDletProxy.startApp(+7)
at com.sun.midp.midlet.Scheduler.schedule(+270)
at com.sun.midp.main.Main.runLocalClass(+28)
at com.sun.midp.main.Main.main(+116)
startApp threw an Exception
java.lang.NullPointerException
java.lang.NullPointerException
at javax.microedition.lcdui.game.TiledLayer.<init>(+68)
at src.GameMap.<init>(+4513)
at src.MyGameCanvas.<init>(+696)
at src.MIDlet.startApp(+12)
at javax.microedition.midlet.MIDletProxy.startApp(+7)
at com.sun.midp.midlet.Scheduler.schedule(+270)
at com.sun.midp.main.Main.runLocalClass(+28)
at com.sun.midp.main.Main.main(+116)
Execution completed.
3408262 bytecodes executed
22 thread switches
1653 classes in the system (including system classes)
18308 dynamic objects allocated (627724 bytes)
12 garbage collections (504120 bytes collected)

Answer 1

确保你装了wtk和eclipseme插件(有的装了sdk就不用装wtk，具体看版本)，若装了直接右击midlit类点击run as----Emulated javaMe Midlit试试，要不行的话我想可能就是J2me环境没配置好。