嗨我在eclipse kepler上运行此Application时遇到此错误，如下所示
02-13 00:26:15.472: E/AndroidRuntime(31257): FATAL EXCEPTION: main
02-13 00:26:15.472: E/AndroidRuntime(31257): java.lang.NoClassDefFoundError: org.quaere.DSL
02-13 00:26:15.472: E/AndroidRuntime(31257): at com.onazifi.shelf.Library.groupbyArrayBookItem(Library.java:59)
02-13 00:26:15.472: E/AndroidRuntime(31257): at com.onazifi.shelf.ShelfViewActivity.onCreate(ShelfViewActivity.java:42)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.app.Activity.performCreate(Activity.java:5203)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2078)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2139)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.app.ActivityThread.access$700(ActivityThread.java:143)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1241)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.os.Handler.dispatchMessage(Handler.java:99)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.os.Looper.loop(Looper.java:137)
02-13 00:26:15.472: E/AndroidRuntime(31257): at android.app.ActivityThread.main(ActivityThread.java:4960)
02-13 00:26:15.472: E/AndroidRuntime(31257): at java.lang.reflect.Method.invokeNative(Native Method)
02-13 00:26:15.472: E/AndroidRuntime(31257): at java.lang.reflect.Method.invoke(Method.java:511)
02-13 00:26:15.472: E/AndroidRuntime(31257): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038)
02-13 00:26:15.472: E/AndroidRuntime(31257): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805)
02-13 00:26:15.472: E/AndroidRuntime(31257): at dalvik.system.NativeStart.main(Native Method)