SQLite多次访问造成的error

11-21 15:12:06.440: I/SqliteDatabaseCpp(16755): sqlite returned: error code = 14, msg = cannot open file at line 27703 of [8609a15dfa], db=/data/data/com.test.test/databases/test.db
11-21 15:12:06.440: I/SqliteDatabaseCpp(16755): sqlite returned: error code = 14, msg = os_unix.c: open() at line 27703 - "" errno=24 path=/data/data/com.test.test/databases/test.db, 
db=/data/data/com.test.test/databases/test.db
11-21 15:12:06.440: E/SqliteDatabaseCpp(16755): sqlite3_open_v2("/data/data/com.test.test/databases/test.db", &handle, 6, NULL) failed
11-21 15:12:06.460: E/SQLiteDatabase(16755): Failed to open the database. closing it.
11-21 15:12:06.460: E/SQLiteDatabase(16755): android.database.sqlite.SQLiteCantOpenDatabaseException: unable to open database file
11-21 15:12:06.460: E/SQLiteDatabase(16755): at android.database.sqlite.SQLiteDatabase.dbopen(Native Method)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1017)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:990)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:1055)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:803)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:221)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:157)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at com.test.helper.DataHelper.<init>(DataHelper.java:34)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at com.test.function.IntercomActivity.OnlineUserID(IntercomActivity.java:444)
11-21 15:12:06.460: E/SQLiteDatabase(16755): at com.test.function.IntercomActivity$10.run(IntercomActivity.java:436)
11-21 15:12:06.460: W/dalvikvm(16755): threadid=332: thread exiting with uncaught exception (group=0x40aac210)
11-21 15:12:06.470: E/AndroidRuntime(16755): FATAL EXCEPTION: Thread-1116
11-21 15:12:06.470: E/AndroidRuntime(16755): android.database.sqlite.SQLiteCantOpenDatabaseException: unable to open database file
11-21 15:12:06.470: E/AndroidRuntime(16755): at android.database.sqlite.SQLiteDatabase.dbopen(Native Method)
11-21 15:12:06.470: E/AndroidRuntime(16755): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:1017)
11-21 15:12:06.470: E/AndroidRuntime(16755): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:990)
11-21 15:12:06.470: E/AndroidRuntime(16755): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:1055)
11-21 15:12:06.470: E/AndroidRuntime(16755): at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:803)
11-21 15:12:06.470: E/AndroidRuntime(16755): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:221)
11-21 15:12:06.470: E/AndroidRuntime(16755): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:157)
11-21 15:12:06.470: E/AndroidRuntime(16755): at com.test.helper.DataHelper.<init>(DataHelper.java:34)
11-21 15:12:06.470: E/AndroidRuntime(16755): at com.test.function.IntercomActivity.OnlineUserID(IntercomActivity.java:444)

11-21 15:12:06.470: E/AndroidRuntime(16755): at com.test.function.IntercomActivity$10.run(IntercomActivity.java:436)

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11-21 13:46:12.980: E/SQLiteLog(3331): (14) cannot open file at line 30245 of [00bb9c9ce4]
11-21 13:46:12.980: E/SQLiteLog(3331): (14) os_unix.c:30245: (24) open(/data/data/com.test.test/databases/test.db-journal) - 
11-21 13:46:12.980: E/SQLiteLog(3331): (14) cannot open file at line 30245 of [00bb9c9ce4]
11-21 13:46:12.990: E/SQLiteLog(3331): (14) os_unix.c:30245: (24) open(/data/data/com.test.test/databases/test.db-journal) - 
11-21 13:46:12.990: E/SQLiteLog(3331): (14) unable to open database file
11-21 13:46:12.990: E/SQLiteLog(3331): (14) cannot open file at line 30245 of [00bb9c9ce4]
11-21 13:46:12.990: E/SQLiteLog(3331): (14) os_unix.c:30245: (24) open(/data/data/com.test.test/databases/test.db-journal) - 
11-21 13:46:12.999: E/SQLiteLog(3331): (14) cannot open file at line 30245 of [00bb9c9ce4]
11-21 13:46:12.999: E/SQLiteLog(3331): (14) os_unix.c:30245: (24) open(/data/data/com.test.test/databases/test.db-journal) - 
11-21 13:46:12.999: E/SQLiteLog(3331): (14) unable to open database file
11-21 13:46:13.029: E/SQLiteDatabase(3331): Failed to open database '/data/data/com.test.test/databases/test.db'.
11-21 13:46:13.029: E/SQLiteDatabase(3331): android.database.sqlite.SQLiteCantOpenDatabaseException: unable to open database file (code 14): , while compiling: PRAGMA journal_mode
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:1013)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnection.executeForString(SQLiteConnection.java:758)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnection.setJournalMode(SQLiteConnection.java:444)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnection.setWalModeFromConfiguration(SQLiteConnection.java:418)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:324)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:218)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnectionPool.openConnectionLocked(SQLiteConnectionPool.java:464)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:186)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:178)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteDatabase.openInner(SQLiteDatabase.java:804)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteDatabase.open(SQLiteDatabase.java:789)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:694)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:918)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:232)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:224)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:164)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at com.test.helper.DataHelper.<init>(DataHelper.java:34)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at com.test.function.IntercomActivity.OnlineUserID(IntercomActivity.java:444)
11-21 13:46:13.029: E/SQLiteDatabase(3331): at com.test.function.IntercomActivity$10.run(IntercomActivity.java:436)
11-21 13:46:13.029: W/dalvikvm(3331): threadid=336: thread exiting with uncaught exception (group=0x41ebf438)
11-21 13:46:13.049: E/AndroidRuntime(3331): FATAL EXCEPTION: Thread-778
11-21 13:46:13.049: E/AndroidRuntime(3331): android.database.sqlite.SQLiteCantOpenDatabaseException: unable to open database file (code 14): , while compiling: PRAGMA journal_mode
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:1013)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnection.executeForString(SQLiteConnection.java:758)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnection.setJournalMode(SQLiteConnection.java:444)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnection.setWalModeFromConfiguration(SQLiteConnection.java:418)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:324)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:218)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnectionPool.openConnectionLocked(SQLiteConnectionPool.java:464)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:186)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:178)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteDatabase.openInner(SQLiteDatabase.java:804)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteDatabase.open(SQLiteDatabase.java:789)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:694)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.app.ContextImpl.openOrCreateDatabase(ContextImpl.java:918)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:232)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:224)
11-21 13:46:13.049: E/AndroidRuntime(3331): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:164)
11-21 13:46:13.049: E/AndroidRuntime(3331): at com.test.helper.DataHelper.<init>(DataHelper.java:34)
11-21 13:46:13.049: E/AndroidRuntime(3331): at com.test.function.IntercomActivity.OnlineUserID(IntercomActivity.java:444)
11-21 13:46:13.049: E/AndroidRuntime(3331): at com.test.function.IntercomActivity$10.run(IntercomActivity.java:436)