最近,我开始在我的应用程序中得到以下错误。这不是在任何特定的地方,我只能在循环遍历所有数据读/写功能时进行复制。它几乎在任何地方都会出现。
09-14 08:52:15.089: WARN/SQLiteConnectionPool(19268): The connection pool for database '/data/data/com.nnn/databases/data.db' has been unable to grant a connection to thread 1 (main) with flags 0x5 for 30.000002 seconds.
Connections: 0 active, 1 idle, 0 available.
有什么方法可以避免这种情况吗?我知道不知何故我耗尽了所有到数据库的连接?我使用的是方法#1:http://www.androiddesignpatterns.com/2012/05/correctly-managing-your-sqlite-database.html
我的数据库代码如下所示:
public class DatabaseHelper extends SQLiteOpenHelper
{
private final static String LOG_TAG = "com.nnnn.data.DatabaseHelper";
private static final String DATABASE_NAME = "data.db";
private static final int DATABASE_VERSION = 260;
private static SQLiteDatabase databaseInstance;
public DatabaseHelper()
{
super(MyApplication.Me, DATABASE_NAME, null, DATABASE_VERSION);
}
public static synchronized SQLiteDatabase getDatabase()
{
if (databaseInstance == null) databaseInstance = (new DatabaseHelper()).getWritableDatabase();
return databaseInstance;
}
https://stackoverflow.com/questions/12426060
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