“/”应用程序中的服务器错误。

ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务

说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Data.OracleClient.OracleException: ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务


源错误:


行 28:         string sqlNotice = string.Format("select title,newsid,ReleaseDate from(select title,newsid,ReleaseDate from T_News where CategoryId=3 order by ReleaseDate desc) where rownum <=8");
行 29:         //string sqlNotice = string.Format("select title,newsid,ReleaseDate from t_news");
行 30:         DataSet dsNotice = ado.ExecuteSqlDataset(sqlNotice);
行 31:         rptNotice.DataSource = dsNotice.Tables[0];
行 32:         rptNotice.DataBind();

源文件: h:\wwwroot\web\wwwroot\Login.aspx.cs    行: 30

堆栈跟踪:


[OracleException (0x80131938): ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务
]
   System.Data.OracleClient.OracleException.Check(OciErrorHandle errorHandle, Int32 rc) +494275
   System.Data.OracleClient.OracleInternalConnection.OpenOnLocalTransaction(String userName, String password, String serverName, Boolean integratedSecurity, Boolean unicode, Boolean omitOracleConnectionName) +464403
   System.Data.OracleClient.OracleInternalConnection..ctor(OracleConnectionString connectionOptions) +157
   System.Data.OracleClient.OracleConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) +58
   System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +54
   System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +425416
   System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +92
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +1657
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +83
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +254183
   System.Data.OracleClient.OracleConnection.Open() +47
   StarTech.DBUtility.AdoHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText, IDataParameter[] commandParameters) +93
   StarTech.DBUtility.AdoHelper.ExecuteDataset(String connectionString, CommandType commandType, String commandText) +22
   Login.NewsBind() in h:\wwwroot\web\wwwroot\Login.aspx.cs:30
   Login.Page_Load(Object sender, EventArgs e) in h:\wwwroot\web\wwwroot\Login.aspx.cs:22
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
   System.Web.UI.Control.OnLoad(EventArgs e) +132
   System.Web.UI.Control.LoadRecursive() +66
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428


版本信息: Microsoft .NET Framework 版本:2.0.50727.8806; ASP.NET 版本:2.0.50727.8762