Sqlite issues with HTC Desire HD
- by Greg
Recently I have been getting a lot of complaints about the HTC Desire series and it failing while invoking sql statements. I have received reports from users with log snapshots that contain the following.
I/Database( 2348): sqlite returned: error code = 8, msg = statement aborts at 1: [pragma journal_mode = WAL;]
E/Database( 2348): sqlite3_exec to set journal_mode of /data/data/my.app.package/files/localized_db_en_uk-1.sqlite to WAL failed
followed by my app basically burning in flames because the call to open the database results in a serious runtime error that manifests itself as the cursor being left open. There shouldn't be a cursor at this point as we are trying to open it.
This only occurs with the HTC Desire HD and Z. My code basically does the following (changed a little to isolate the problem area).
SQLiteDatabase db;
String dbName;
public SQLiteDatabase loadDb(Context context) throws IOException{
//Close any old db handle
if (db != null && db.isOpen()) {
db.close();
}
// The name of the database to use from the bundled assets.
String dbAsset = "/asset_dir/"+dbName+".sqlite";
InputStream myInput = context.getAssets().open(dbAsset, Context.MODE_PRIVATE);
// Create a file in the app's file directory since sqlite requires a path
// Not ideal but we will copy the file out of our bundled assets and open it
// it in another location.
FileOutputStream myOutput = context.openFileOutput(dbName, Context.MODE_PRIVATE);
byte[] buffer = new byte[1024];
int length;
while ((length = myInput.read(buffer)) > 0) {
myOutput.write(buffer, 0, length);
}
// Close the streams
myOutput.flush();
// Guarantee Write!
myOutput.getFD().sync();
myOutput.close();
myInput.close();
// Not grab the newly written file
File fileObj = context.getFileStreamPath(dbName);
// and open the database
return db = SQLiteDatabase.openDatabase(fileObj.getAbsolutePath(), null, SQLiteDatabase.OPEN_READONLY | SQLiteDatabase.NO_LOCALIZED_COLLATORS);
}
Sadly this phone is only available in the UK and I don't have one in my inventory. I am only getting reports of this type from the HTC Desire series. I don't know what changed as this code has been working without any problem. Is there something I am missing?
