Error message when taking a snapshot

Hi,
I'm using ANTS profiler version 2.0.7.109 and I'm I get this message when trying to take a snapshot: "System.NullReferenceException:
Object reference not set to an instance of an object.
at System.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
at System.Forms.Control.Invoke(Delegate method, Object[] args)
at _3._3(IAsyncResult )"

Is there anything which can be done?

Thanks,
Aliza

Comments

  • Brian DonahueBrian Donahue Posts: 6,590 New member
    Hi Aliza,

    The error message isn't terribly revealing, since it's unhandled. What it looks like is an error in remoting. When you take a snapshot, the profiling data gets transferred from your application to the Profiler interface. I believe this mechanism is through .NET remoting, which is notorious for garbage collecting items that are still in use unless they implement an infinite object lifetime.

    I suppose that running the profiling session for a shorter period of time may help. You may also want to upgrade to version 2.71, or better yet 3.1, if you have a running support contract with us!

    You can find the latest 2.x version of ANTS Profiler at ftp://ftp.red-gate.com/OLD/ANTS/ANTSProfiler271.exe and you can download the latest version from our http://www.red-gate.com website.
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