我試圖從ASP.NET MVC4 Web應用程序(默認「Internet」)連接到現有MySQL數據庫,該數據庫未託管在Azure上,部署在Azure網站。我簡化儘可能來說明問題:通過的NuGet
2)未能從Azure網站上的MVC4應用程序連接到MySQL
1)我加入到我的MVC應用程序MySql.Data和MySql.Web我寫在默認的HomeController以下醜陋的代碼,在關於()方法:
public ActionResult About()
{
try
{
ViewBag.Message = "Your app description page.";
Trace.TraceInformation("Connection String");
var connStr =
"server=blah.blah.com;user=someone;database=somedatabase;port=3306;password=password;";
Trace.TraceInformation("Connection");
var connection = new MySqlConnection(connStr);
Trace.TraceInformation("Open Connection");
connection.Open();
Trace.TraceInformation("Close Connection");
connection.Close();
return View();
}
catch (Exception ex)
{
Trace.TraceError("{0}/{1}/{2}", ex.Message, ex.StackTrace, ex.TargetSite);
throw;
}
}
當我調試(我沒有問題,檢索數據要麼),但我發佈到Azure的網站的那一刻,如果悲慘的失敗了此運行沒有我的本地機器上的毛刺。產生的痕跡如下:
2013-07-31T03:05:02 PID[20636] Information Connection String
2013-07-31T03:05:02 PID[20636] Information Connection
2013-07-31T03:05:02 PID[20636] Information Open Connection
2013-07-31T03:05:09 PID[20636] Error Can't get hostname for your address
2013-07-31T03:05:09 PID[20636] Error Can't get hostname for your address/ at MySql.Data.MySqlClient.MySqlStream.ReadPacket()
at MySql.Data.MySqlClient.NativeDriver.Open()
at MySql.Data.MySqlClient.Driver.Open()
at MySql.Data.MySqlClient.Driver.Create(MySqlConnectionStringBuilder settings)
at MySql.Data.MySqlClient.MySqlPool.GetPooledConnection()
at MySql.Data.MySqlClient.MySqlPool.TryToGetDriver()
at MySql.Data.MySqlClient.MySqlPool.GetConnection()
at MySql.Data.MySqlClient.MySqlConnection.Open()
at MvcTest.Controllers.HomeController.About()/MySql.Data.MySqlClient.MySqlPacket ReadPacket()
有人能幫我弄清楚我做錯了什麼嗎?有沒有一個特定的原因爲什麼這將失敗從一個Azure網站,而不是我的本地機器?注意:我的本地機器與MySQL數據庫不在同一個網絡上,或類似的東西。
這只是推測,但它似乎有一個問題,解決您的機器名稱。看看有人遇到同樣問題的長篇帖子http://forum.openoffice.org/en/forum/viewtopic.php?t=41292 – Namphibian