Server Error in '/eservices/Procurement' Application.

ORA-12154: TNS:could not resolve the connect identifier specified

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: OracleInternal.Network.NetworkException: ORA-12154: TNS:could not resolve the connect identifier specified

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[NetworkException (0x2f7a): ORA-12154: TNS:could not resolve the connect identifier specified]
   OracleInternal.Network.AddressResolution..ctor(String TNSAlias, String instanceName) +184
   OracleInternal.Network.OracleCommunication.DoConnect(String tnsDescriptor) +80
   OracleInternal.ServiceObjects.OracleConnectionImpl.Connect(ConnectionString cs, Boolean bOpenEndUserSession, String instanceName) +6311

[OracleException (0x80004005): ORA-12154: TNS:could not resolve the connect identifier specified]
   OracleInternal.ConnectionPool.PoolManager`3.Get(ConnectionString csWithDiffOrNewPwd, Boolean bGetForApp, String affinityInstanceName, Boolean bForceMatch) +5466
   OracleInternal.ConnectionPool.OraclePoolManager.Get(ConnectionString csWithNewPassword, Boolean bGetForApp, String affinityInstanceName, Boolean bForceMatch) +1145
   OracleInternal.ConnectionPool.OracleConnectionDispenser`3.Get(ConnectionString cs, PM conPM, ConnectionString pmCS, SecureString securedPassword, SecureString securedProxyPassword) +1383
   Oracle.ManagedDataAccess.Client.OracleConnection.Open() +2787
   iSupplier.BidResultsAscend.HelpPage() +275
   iSupplier.BidResultsAscend.BindGrid() +1518
   iSupplier.BidResultsAscend.Page_Load(Object sender, EventArgs e) +89
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0