Oracle.ManagedDataAccess.dll // C# WinForms

Question

Hello,

I got this error message from my application. On one PC is running well since 3 years. Now my client make a new PC, same application, same version.

//Item has already been added. Key in dictionary: '4118'  Key being added: '4118'


//Oracle.ManagedDataAccess.dll!OracleInternal.ServiceObjects.NotificationBufferManager.PutNotificationOraBufPool(OracleInternal.Network.OracleCommunication orclCommunication)
//Oracle.ManagedDataAccess.dll!OracleInternal.ServiceObjects.NotificationHandler.ProcessBufferedNSDataPackets()
//mscorlib.dll!System.Threading.ThreadHelper.ThreadStart_Context(object state)

Same application, same date, same assembly.

• Old PC is running
• New PC exception

Answer 1

Hi @Markus Freitag , Welcome to Microsoft Q&A,

So, after checking it.

The solution to solve the issue is to repair the Oracle.ManagedDataAccess.dll.

The links provided by OP are:https://www.oracle.com/de/database/technologies/odac-downloads.html

Best Regards,

Jiale

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