Windows error 0x00002F7A, 12154

Detailed Error Information

HRESULT analysis[1]

This is probably not the correct interpretation of this error. The Win32 error above is more likely to indicate the actual problem.
FlagsSeveritySuccess

This code indicates success, rather than an error. This may not be the correct interpretation of this code, or possibly the program is handling errors incorrectly.

Reserved (R)false
OriginMicrosoft
NTSTATUSfalse
Reserved (X)false
FacilityCode0 (0x000)
NameFACILITY_NULL[1][2]
DescriptionThe default facility code.[1][2]
Error Code12154 (0x2f7a)

Questions

7votes
1answer

TNS:could not resolve the connect identifier specified I have done the research

I know, I know, you're going to tell me to check my paths and registry. I have, believe me. My situation--we have two boxes running identical code with identical web.config files. Below are the specifications of both. * IIS 7.0, configured to reset the app pool at midnight * Oracle.ManagedDataAccess.dll, [...] read more
c#
asp.net
oracle
iis
1vote
2answers

ODP.NET and managed connections fail with ORA-12154

I thought the whole point of using ODP.Net Managed Connections, via Oracle.ManagedDataAccess.Core NuGet package, is that you don't need an Oracle client installed in the runtime environment. I find lots of posts about the > ORA-12154: TNS:could not resolve the connect identifier specified error error but all discussions about potential [...] read more
oracle
database-connection
odp.net-managed
1vote
2answers

Oracle Connection request timed out c#

I am currently working on an application that does a few different things, but I've run into a problem where the application only works on mine and others development computers and not on a non development laptop and a Virtual PC running batch assignments When I try to run the [...] read more
c#
oracle
1vote
1answer

Managed ODP.net: change notification and ldap

I'm using the LDAP resolution to connect to an Oracle database. This works fine now for regular queries, I can open a connection and execute commands against it. Unfortunately, it does not work for change notification queries for which I get a System.DirectoryServices.Protocols.DirectoryOperationException: The object does not exist exception when [...] read more
c#
oracle
ldap
odp.net-managed
change-notification
0votes
0answers

Oracle ODP.NET EZ Connect issue in Azure

I have a .Net 5.0 API using ODP.NET that is deployed to Azure with a Docker image. It connects to an on-prem Oracle 12.c instance using a hybrid connection. This worked until yesterday, then it started throwing this exception. I cannot pin down any change that could be causing this [...] read more
oracle
azure
ado.net
azure-hybrid-connections
0votes
0answers

The underlying provider failed on Open error in with a C# app using oracle

I have a C# app that is written with Entity Framework utilizing two DB entities (Oracle)... However, I'm getting the following error on my test server... Help would be appreciated... Error: > The underlying provider failed on Open. and Details: > Oracle.ManagedDataAccess.Client.OracleException (0x80004005): ORA-12154: > TNS:could not resolve the connect [...] read more
c#
oracle
entity-framework
oracle11g
0votes
1answer

.Net core 2.0 with oracle db connection

with current .Ora file we are able to connect in .net 2.0 and 3.5 and unable to connect with .net core 2.0 , whether we need to modify the .ora file compared to old one. please tell the steps OracleInternal.Network.NetworkException (0x00002F7A): ORA-12154: TNS:could not resolve the connect identifier specified at [...] read more
asp.net-core
0votes
3answers

first iphone app crashing for unknown reason

hi my app is crashing for no reason, it works very well on simulator however on IPhone 3g it crashes often. please help! below is the crash log from organizer window. Incident Identifier: FE1D3406-8138-48E7-A107-62CA8346196F CrashReporter Key: 896b2dc2588b18c140389cba404a81a4451a703c Hardware Model: iPhone1,2 Process: Assistant [2521] Path: /var/mobile/Applications/D22CFF35-98CE-4955-8A66-7C7BC615766B/Assistant.app/Assistant Identifier: Assistant Version: ??? (???) [...] read more
iphone
crash
logging
3g
0votes
2answers

Opening Oracle OleDb connection succeeds, while managed driver connection fails

From C# I'm connecting to Oracle using OleDb doing the following: String connectionString = "Provider=OraOLEDB.Oracle.1;Persist Security Info=False;User ID=x;Password=y;Data Source=z"; var connection = new System.Data.OleDbConnection(connectionString); connection.Open(); That works fine. From the same process, I'm trying to connect using the managed driver doing the following: String connectionString = "USER ID=x;PASSWORD=y;DATA SOURCE=z"; var [...] read more
c#
.net
oracle
oracle-manageddataaccess

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Sources

  1. https://msdn.microsoft.com/en-us/library/cc231198.aspx
  2. winerror.h from Windows SDK 10.0.14393.0

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