最近打包Unity3D的APK包时，报编译错误，
Failed to compile Java code to DEX:
D:\Work\Parkour\branches\20131219_box360\Temp/StagingArea> java -Xmx1024M -Djava.ext.dirs="E:/Andriod/sdk\platform-tools/lib/" -jar "E:/Andriod/sdk\platform-tools/lib/dx.jar" --dex --verbose --output=bin/classes.dex bin/classes.jar plugins
processing archive bin\classes.jar...
processing com/unity3d/player/a/a.class...
processing com/unity3d/player/a/b.class...
processing com/unity3d/player/a/c$a$a.class...
processing com/unity3d/player/a/c$a.class...
processing com/unity3d/player/a/c.class...
processing com/unity3d/player/a/d$a$a.class...
processing com/unity3d/player/a/d$a.class...
processing com/unity3d/player/a/d.class...
processing com/unity3d/player/a/e$a$1.class...
processing com/unity3d/player/a/e$a$2.class...
processing com/unity3d/player/a/e$a.class...
processing com/unity3d/player/
