Error while connecting to the Oracle Data Base

Question

Hi All,

This is the exception I am getting while trying to connect to an oracle database. This is not happening all the time.

If you can help me out with this..it wil be great.

System.Data.OleDb.OleDbConnectionInternal
    ..ctor(OleDbConnectionString constr, OleDbConnection connection) 
    at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) 
    at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup) 
    at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) 
    at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) 
    at System.Data.OleDb.OleDbConnection.Open()