ORA-12514: TNS:listener não tem conhecimento sobre o serviço solicitado atualmente no descritor de conexão<br />OracleInternal.Network.NetworkException (0x000030E2): ORA-12514: TNS:listener não tem conhecimento sobre o serviço solicitado atualmente no descritor de conexão
   at OracleInternal.Network.OracleCommunication.DoConnect(String tnsDescriptor)
   at OracleInternal.ServiceObjects.OracleConnectionImpl.Connect(ConnectionString cs, Boolean bOpenEndUserSession, CriteriaCtx criteriaCtx, String instanceName)<br /><br />Oracle Data Provider for .NET, Managed Driver<br />   at PortalSiga.OracleDAL.OracleDataAccess.ExecuteDataTable(String commandText, OracleParameter[] parametros) in G:\Projetos\_2025_\PortalSiga\OracleDAL\OracleDataAccess.cs:line 137
   at PortalSiga.OracleDAL.AreaRestrita.Website.TutorialDAL.Selecionar(String pCodigo) in G:\Projetos\_2025_\PortalSiga\OracleDAL\AreaRestrita\Website\TutorialDAL.cs:line 15
   at WebInterface.TutorialVideo.Page_Load(Object sender, EventArgs e) in G:\Projetos\_2025_\PortalSiga\WebInterface\TutorialVideo.aspx.cs:line 17
   at System.Web.UI.Control.OnLoad(EventArgs e)
   at PortalSiga.WebControls.PageBase.OnLoad(EventArgs e) in G:\Projetos\_2025_\PortalSiga\WebControls\PageBase.cs:line 266
   at System.Web.UI.Control.LoadRecursive()
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)<br />System.Data.DataTable ExecuteDataTable(System.String, Oracle.ManagedDataAccess.Client.OracleParameter[])