Take a look in the 'nifi-app.log'. There should be a full stack trace
there most likely.
If there are failures like this while adding to the graph there is
likely some lifecycle method being called and throwing a stacktrace.
Take a look in the app log and see if it is there.
On Mon, Apr 6, 2015 at 12:55 PM, Jeffrey Storck
<[hidden email]> wrote:
> I was referred to this email address by another NiFi developer. I am
> trying to add a custom processor to a NiFi flow via the UI and encountering
> the following errror:
> Unable to create processor of type com.foo.MyProcessor due to:
> The nifi-users.log has the same statement there, no stacktrace. I am not
> sure at this point what is keeping the processor from being created.
> I am developing against the 0.0.2-incubating version of nifi-api.
> Any advice or direction would be appreciated. Thanks!