eclipse运行模拟器的时候报这个错误....怎么解决？

Question

java.lang.NullPointerException
at com.alive.iface.DataLoader.createReaderByHttp(DataLoader.java:80)
at com.alive.iface.DataLoader.createReader(DataLoader.java:33)
at com.alive.gjs.res.ResCenter.loadEquipRes(ResCenter.java:415)
at com.alive.gjs.res.ResCenter.init(ResCenter.java:87)

java.lang.NullPointerException
at com.alive.iface.DataLoader.createReader(DataLoader.java:34)
at com.alive.gjs.res.ResCenter.loadEquipRes(ResCenter.java:415)
进入游戏动画了啊!!!!!!!!!!!!!!!!!!!!!!!!!!
at com.alive.gjs.res.ResCenter.init(ResCenter.java:87)
at com.alive.gjs.main.AppMidlet.startApp(AppMidlet.java:59)
at javax.microedition.midlet.MIDlet.invokeStartApp(Unknown Source)
at emulator.c.run(Unknown Source)
at java.lang.Thread.run(Thread.java:662)

Answer 1

空指针异常啊，变量没有取得ID，没有赋值