IIS上运行一段时间后提示:The 'OraOLEDB.Oracle' provider is not registered on the local mach
请各位大神帮忙看看这个怎么解决,情况如下:
项目部署到IIS运行OK,可是一段时间后就出现连接不了数据库,报错信息如下。
在IIS内点击回收或者重启IIS应用程序池就恢复正常,可是一段时间后又出现同样的错误。
System.InvalidOperationException: The 'OraOLEDB.Oracle' provider is not registered on the local machine.
at System.Data.OleDb.OleDbServicesWrapper.GetDataSource(OleDbConnectionString constr, DataSourceWrapper& datasrcWrapper)
at System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection)
at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionInternal.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.OleDb.OleDbConnection.Open()
at Inflor.Infra.Persistence.DataAccessControllerInternal.get_Connection()
at Inflor.Infra.Persistence.DataAccessControllerInternal.PrepareCommand(OleDbCommand command)
at Inflor.Infra.Persistence.DataAccessControllerInternal.FillDataTable(OleDbCommand command, String[] fieldsToTranslate)
at Inflor.Infra.Persistence.DataAccessControllerInternal.Fill(OleDbCommand command, String[] fieldsToTranslate)
at Inflor.Infra.Persistence.DataAccessControllerInternal.Fill(String query, String[] fieldsToTranslate)
at Inflor.Infra.Persistence.DataAccessControllerInternal.Fill(String query)
at Inflor.Infra.Persistence.DataAccessController.Fill(String query)
at Seg.Service.NivelAcessoPagina(String pagina_path, String usuario)
at SGF.Global.Application_AuthenticateRequest(Object sender, EventArgs e)
at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)