無法連接Oracle數據庫

Question

我正在使用Windows 7 32位計算機。 現在，當我嘗試從.net應用程序連接遠程服務器上的oracle時，出現以下異常。 可能是什么問題？ 之前，該應用程序運行良好。 但是格式化系統后，我得到了這個例外。

請立即提供幫助。

Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
   at System.Data.Common.UnsafeNativeMethods.OCIEnvCreate(IntPtr& envhpp, MODE mode, IntPtr ctxp, IntPtr malocfp, IntPtr ralocfp, IntPtr mfreefp, UInt32 xtramemsz, IntPtr usrmempp)
   at System.Data.OracleClient.TracedNativeMethods.OCIEnvCreate(IntPtr& envhpp, MODE mode)
   at System.Data.OracleClient.OciHandle..ctor(OciHandle parentHandle, HTYPE handleType, MODE ocimode, HANDLEFLAG handleflags)
   at System.Data.OracleClient.OracleInternalConnection.OpenOnLocalTransaction(String userName, String password, String serverName, Boolean integratedSecurity, Boolean unicode, Boolean omitOracleConnectionName)
   at System.Data.OracleClient.OracleInternalConnection..ctor(OracleConnectionString connectionOptions)
   at System.Data.OracleClient.OracleConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
   at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
   at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
   at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
   at System.Data.OracleClient.OracleConnection.Open()
   at ArvindADMS.Program.UpdateLogRecord(DateTime dt, String attTime, String empNo, String action, String deviceId, Int32 checkinoutid)

Answer 1

您可能使用了錯誤的提供程序。 很久以前，在MSDN上討論了相同的異常

因此，將提供程序更改為OLE DB或通過Attunity for SSIS使用Microsoft Connector for Oracle