java.lang.IllegalStateException：嘗試重新打開已關閉的對象SQLiteQuery

Question

04-29 18:24:24.676: E/AndroidRuntime(5640): FATAL EXCEPTION: main 
04-29 18:24:24.676: E/AndroidRuntime(5640): Process: com.example.mapsproject, PID: 5640 
04-29 18:24:24.676: E/AndroidRuntime(5640): java.lang.IllegalStateException: attempt to re-open an already-closed object: SQLiteQuery: SELECT DISTINCT _id, name, loc, lat, lng, zoom, uid FROM MapsProject GROUP BY uid 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.database.sqlite.SQLiteClosable.acquireReference(SQLiteClosable.java:55) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.database.sqlite.SQLiteQuery.fillWindow(SQLiteQuery.java:58) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.database.sqlite.SQLiteCursor.fillWindow(SQLiteCursor.java:152) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.database.sqlite.SQLiteCursor.onMove(SQLiteCursor.java:124) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.database.AbstractCursor.moveToPosition(AbstractCursor.java:214) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.CursorAdapter.getView(CursorAdapter.java:245) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.AbsListView.obtainView(AbsListView.java:2347) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.ListView.makeAndAddView(ListView.java:1864) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.ListView.fillDown(ListView.java:698) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.ListView.fillFromTop(ListView.java:759) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.ListView.layoutChildren(ListView.java:1673) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.AbsListView.onLayout(AbsListView.java:2151) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.View.layout(View.java:15671) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewGroup.layout(ViewGroup.java:5038) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1076) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.View.layout(View.java:15671) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewGroup.layout(ViewGroup.java:5038) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.FrameLayout.onLayout(FrameLayout.java:514) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.View.layout(View.java:15671) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewGroup.layout(ViewGroup.java:5038) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at com.android.internal.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:494) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.View.layout(View.java:15671) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewGroup.layout(ViewGroup.java:5038) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.widget.FrameLayout.onLayout(FrameLayout.java:514) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.View.layout(View.java:15671) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewGroup.layout(ViewGroup.java:5038) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2086) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1843) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.Choreographer.doCallbacks(Choreographer.java:580) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.Choreographer.doFrame(Choreographer.java:550) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.os.Handler.handleCallback(Handler.java:739) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.os.Handler.dispatchMessage(Handler.java:95) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.os.Looper.loop(Looper.java:135) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at android.app.ActivityThread.main(ActivityThread.java:5254) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at java.lang.reflect.Method.invoke(Native Method) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at java.lang.reflect.Method.invoke(Method.java:372) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
04-29 18:24:24.676: E/AndroidRuntime(5640):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 

Answer 1

您的sqlite數據庫對象已經關閉。請重新打開數據庫對象並執行查詢操作。