【发布时间】：2014-11-28 15:38:06
【问题描述】：
我使用的是 Windows 7 32 位机器。现在，当我尝试从 .net 应用程序连接远程服务器上的 oracle 时，我遇到了以下异常。可能是什么问题？早些时候这个应用程序运行良好。但是在格式化系统后我得到了这个异常。
请立即提供帮助。
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)
【问题讨论】：
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你应该换一个proider，微软的proider已经被弃用很久了：Oracle and ADO.NET