ORA-12547: TNS:lost contact
at System.Data.OracleClient.OracleException.Check(OciErrorHandle errorHandle, Int32 rc)
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 Microsoft.Practices.EnterpriseLibrary.Data.Database.GetNewOpenConnection()
at Microsoft.Practices.EnterpriseLibrary.Data.Database.GetOpenConnection(Boolean disposeInnerConnection)
at Microsoft.Practices.EnterpriseLibrary.Data.Database.LoadDataSet(DbCommand command, DataSet dataSet, String[] tableNames)
at Microsoft.Practices.EnterpriseLibrary.Data.Oracle.OracleDatabase.LoadDataSet(DbCommand command, DataSet dataSet, String[] tableNames)
at Microsoft.Practices.EnterpriseLibrary.Data.Database.ExecuteDataSet(DbCommand command)
at Microsoft.Practices.EnterpriseLibrary.Data.Oracle.OracleDatabase.ExecuteDataSet(DbCommand command)
at PTSService.CTSService.getCourseDetails(String pCourseCode, String pYear) in D:\scratch\FL826\CTS_SoW_PF\Uon.Pts\PF\PTSService\CTSService.asmx.cs:line 27020/08/2014 1:45 AM

ORA-12547: TNS:lost contact
at System.Data.OracleClient.OracleException.Check(OciErrorHandle errorHandle, Int32 rc)
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 Microsoft.Practices.EnterpriseLibrary.Data.Database.GetNewOpenConnection()
at Microsoft.Practices.EnterpriseLibrary.Data.Database.GetOpenConnection(Boolean disposeInnerConnection)
at Microsoft.Practices.EnterpriseLibrary.Data.Database.LoadDataSet(DbCommand command, DataSet dataSet, String[] tableNames)
at Microsoft.Practices.EnterpriseLibrary.Data.Oracle.OracleDatabase.LoadDataSet(DbCommand command, DataSet dataSet, String[] tableNames)
at Microsoft.Practices.EnterpriseLibrary.Data.Database.ExecuteDataSet(DbCommand command)
at Microsoft.Practices.EnterpriseLibrary.Data.Oracle.OracleDatabase.ExecuteDataSet(DbCommand command)
at PTSService.CTSService.getCourseDetails(String pCourseCode, String pYear) in D:\scratch\FL826\CTS_SoW_PF\Uon.Pts\PF\PTSService\CTSService.asmx.cs:line 27020/08/2014 1:45 AM