Issue with SQlite Database

[hemi]

Hi All,
I have problem with sqlite database while running mediaplayer on android after restarting the device.It's working fine some times,not working some times
It is showing the exception as

12-16 20:27:57.365: ERROR/AndroidRuntime(1763): FATAL EXCEPTION: main
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): android.database.sqlite.SQLiteException: unable to open database file
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.database.sqlite.SQLiteDatabase.dbopen(Native Method)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1812)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:817)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:851)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:844)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:540)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:203)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:98)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at com.ni.media.videos.VideoProvider.query(VideoProvider.java:173)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.content.ContentProvider$Transport.query(ContentProvider.java:163)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.content.ContentResolver.query(ContentResolver.java:245)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at com.ni.media.videos.VideoPlayerfullscreen$MostAsyncTask$1.run(VideoPlayerfullscreen.java:385)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.os.Handler.handleCallback(Handler.java:587)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.os.Handler.dispatchMessage(Handler.java:92)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.os.Looper.loop(Looper.java:123)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at android.app.ActivityThread.main(ActivityThread.java:4627)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at java.lang.reflect.Method.invokeNative(Native Method)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at java.lang.reflect.Method.invoke(Method.java:521)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
12-16 20:27:57.365: ERROR/AndroidRuntime(1763): at dalvik.system.NativeStart.main(Native Method)


It is working fine in emulator
Thank you