Oracle Managed DataAccess causes ORA-12537 Network Session: End of file
<p>I could not create Oracle edmx in my asp.net solution when i use oracle.ManagedData access</p>

<p>Below is the stack trace, Please advice. I have also tried the solutions provided in <a href="https://stackoverflow.com/questions/29847444/odp-net-oracle-manageddataaccess-causes-ora-12537-network-session-end-of-file">ODP.NET Oracle.ManagedDataAccess causes ORA-12537 network session end of file</a></p>

<pre><code>[NetworkException (0x30f9): ORA-12537: Network Session: End of file]
   OracleInternal.Network.ReaderStream.Read(OraBuf OB) +564
   OracleInternal.TTC.OraBufReader.GetDataFromNetwork() +378
   OracleInternal.TTC.OraBufReader.Read(Boolean bIgnoreData) +122
   OracleInternal.TTC.MarshallingEngine.UnmarshalUB1(Boolean bIgnoreData) +43
   OracleInternal.TTC.TTCProtocolNegotiation.ReadResponse() +212

[OracleException (0x80004005): ORA-12537: Network Session: End of file]
   OracleInternal.ConnectionPool.PoolManager`3.Get(ConnectionString csWithDiffOrNewPwd, Boolean bGetForApp, String affinityInstanceName, Boolean bForceMatch) +7686
   OracleInternal.ConnectionPool.OraclePoolManager.Get(ConnectionString csWithNewPassword, Boolean bGetForApp, String affinityInstanceName, Boolean bForceMatch) +1178
   OracleInternal.ConnectionPool.OracleConnectionDispenser`3.Get(ConnectionString cs, PM conPM, ConnectionString pmCS, SecureString securedPassword, SecureString securedProxyPassword) +1541
   Oracle.ManagedDataAccess.Client.OracleConnection.Open() +3739
   System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean&amp; closeStoreConnectionOnFailure) +44

[EntityException: The underlying provider failed on Open.]
   System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean&amp; closeStoreConnectionOnFailure) +203
</code></pre>