[SqlException (0x80131904): 用户 'sa' 登录失败。]
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, DbConnectionPool pool, String accessToken, Boolean applyTransientFaultHandling, SqlAuthenticationProviderManager sqlAuthProviderManager) +947
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions) +342
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions) +38
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) +889
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection) +91
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +438
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +79
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +201
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +156
System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +22
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +92
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +219
System.Data.SqlClient.SqlConnection.Open() +101
Discuz.Data.DbHelper.ExecuteDataset(DbConnection connection, CommandType commandType, String commandText, DbParameter[] commandParameters) in f:\学习\DZ!3.6.6\Discuz.Data\DbHelper.cs:909
Discuz.Data.DbHelper.ExecuteDataset(CommandType commandType, String commandText, DbParameter[] commandParameters) in f:\学习\DZ!3.6.6\Discuz.Data\DbHelper.cs:870
Discuz.Data.SqlServer.DataProvider.GetOnlineUserByIP(Int32 userId, String ip) in f:\学习\DZ!3.6.6\Discuz.Data.SqlServer\UserManage.cs:1419
Discuz.Data.OnlineUsers.GetOnlineUserByIP(Int32 userid, String ip) in f:\学习\DZ!3.6.6\Discuz.Data\DataProvider\OnlineUsers.cs:152
Discuz.Forum.OnlineUsers.UpdateInfo(String passwordkey, Int32 timeout, Int32 uid, String passwd) in f:\学习\DZ!3.6.6\Discuz.Forum\OnlineUsers.cs:407
Discuz.Forum.OnlineUsers.UpdateInfo(String passwordkey, Int32 timeout) in f:\学习\DZ!3.6.6\Discuz.Forum\OnlineUsers.cs:466
Discuz.Forum.PageBase..ctor() in f:\学习\DZ!3.6.6\Discuz.Forum\PageBase.cs:564
Discuz.Web.showforum..ctor() in f:\学习\DZ!3.6.6\Discuz.Web\aspx\1\showforum.aspx.cs:250
ASP.aspx_4_showforum_aspx..ctor() in c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\093bd30e\9a4198da\App_Web_lmn4ju4w.12.cs:0
__ASP.FastObjectFactory_app_web_lmn4ju4w.Create_ASP_aspx_4_showforum_aspx() in c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\093bd30e\9a4198da\App_Web_lmn4ju4w.16.cs:0
System.Web.Compilation.BuildResultCompiledType.CreateInstance() +31
System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp) +104
System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +33
System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +66
System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) +196
System.Web.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +163
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +163
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