When the connection is lost and order expires an unhandled exception is thrown, pt 2

Initially the question was already asked here, but it is already archived... A bug was already open and is followed with #18336207 #18331763.

Managed ODP Driver Release 3, beta 2 was released last week and the bug persists. This fix will be included in the final version? Is it possible to expedite this fix (f.e. opening a case of pension)?

The bug can by reproduction the following TestMethod:

//18336207 : MANAGED ODP.NET PROVIDER THROWS UNHANDLED EXCEPTION
//18331763 : COMMAND TIME OUT CAUSES UNHANDLED EXCEPTION
[TestMethod]
public void UnhandledExceptionWhenConnectionIsLost()
{
    object unhandledException = null;


    AppDomain.CurrentDomain.UnhandledException += (sender, args) =>
    {
        unhandledException = args.ExceptionObject;
    };


    string connectionString = TestEnvironment.IntegrationTestUtilities.OdpDatabaseConnectionString;
    const string commandText = @"BEGIN
DBMS_LOCK.sleep(10);
END;";
    try
    {
        using (OracleConnection connection = new OracleConnection(connectionString))
        {
            connection.Open();
            using (OracleCommand command = connection.CreateCommand())
            {
                command.CommandText = commandText;
                command.CommandTimeout = 5;


                Task fakeNetworkTrouble = Task.Run(async () =>
                {
                    await Task.Delay(TimeSpan.FromSeconds(2));
                    //we won't take down the network for the test cases - closing the connection is enough...
                    connection.Close();
                });


                command.ExecuteNonQuery();
                fakeNetworkTrouble.Wait();
            }
        }
    }
    catch (Exception ex)
    {
        Console.WriteLine("This exception is ok ... : {0}", ex.Message);
    }


    //You likely won't get this far as the unhandled exception brings the runtime down...
    if (unhandledException != null)
    {
        Assert.Fail("Still happens : {0}", unhandledException);
    }
}

Although the Bug 18336207 is still in status "80 - pronounced internal development QA/Fix" - it seems it has been fixed in the final version 3 (v4.121.2.20141216)
(at least I can't reproduce anymore).

Thank you

Tags: Database

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