添加覆盖物时出现这种问题,这该怎么解决??

10-23 10:54:05.940: E/AndroidRuntime(17084): java.lang.NullPointerException
10-23 10:54:05.940: E/AndroidRuntime(17084)
: at com.baidu.platform.comapi.map.e.a(Unknown Source)
10-23 10:54:05.940: E/AndroidRuntime(17084):
at com.baidu.mapapi.map.BaiduMap.addOverlay(Unknown Source)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.jbt.eic.fragment.FragmentMainMap.putOneMarker(FragmentMainMap.java:206)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.jbt.eic.fragment.FragmentMainMap.access$4(FragmentMainMap.java:187)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.jbt.eic.fragment.FragmentMainMap$2.onReceiveLocation(FragmentMainMap.java:159)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.baidu.location.LocationClient.char(Unknown Source)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.baidu.location.LocationClient.if(Unknown Source)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.baidu.location.LocationClient.if(Unknown Source)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.baidu.location.LocationClient$a.handleMessage(Unknown Source)
10-23 10:54:05.940: E/AndroidRuntime(17084): at android.os.Handler.dispatchMessage(Handler.java:99)
10-23 10:54:05.940: E/AndroidRuntime(17084): at android.os.Looper.loop(Looper.java:148)
10-23 10:54:05.940: E/AndroidRuntime(17084): at android.app.ActivityThread.main(ActivityThread.java:4503)
10-23 10:54:05.940: E/AndroidRuntime(17084): at java.lang.reflect.Method.invokeNative(Native Method)
10-23 10:54:05.940: E/AndroidRuntime(17084): at java.lang.reflect.Method.invoke(Method.java:511)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:830)
10-23 10:54:05.940: E/AndroidRuntime(17084): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
10-23 10:54:05.940: E/AndroidRuntime(17084): at dalvik.system.NativeStart.main(Native Method)
10-23 10:54:05.950: E/SQLiteDatabase(17111): Failed to open the database. closing it.
10-23 10:54:05.950: E/SQLiteDatabase(17111): android.database.sqlite.SQLiteCantOpenDatabaseException: unable to open database file
10-23 10:54:05.950: E/SQLiteDatabase(17111): at android.database.sqlite.SQLiteDatabase.dbopen(Native Method)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1013)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:986)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:962)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:1043)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at com.baidu.location.av$b.a(Unknown Source)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at com.baidu.location.av$b.doInBackground(Unknown Source)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at android.os.AsyncTask$2.call(AsyncTask.java:264)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:208)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
10-23 10:54:05.950: E/SQLiteDatabase(17111): at java.lang.Thread.run(Thread.java:856)