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From Mike Thomsen <>
Subject Re: Questions to debugging NiFi
Date Tue, 26 Sep 2017 13:06:16 GMT
The easiest way to debug it is to just download the source code, import it
into IntelliJ or Eclipse and do a remote debug session. There's a flag in
bootstrap.conf that starts with "debug" that if you enable that, it turns
on the remote debugger and you can do it all from a GUI instead of hunting
down logs and such.

> 3. How to delete all my NiFi data manually if the UI is unaccessible?

Kill the NiFi process, wipe out the *_repository folders, then restart.
NiFi will regenerate empty ones on startup.

On Tue, Sep 26, 2017 at 5:45 AM, <> wrote:

> Hi, All,
> I'm new to NiFi and deployed NiFi 1.3.0 in our test environment, I got
> some issues about NiFi and want to debug it.
> I've checked out source code and want to add some logs for debug.
> I've several questions:
> 1. I added some logs in, how do I know which nar file
> contains the FlowResource.class?
> 2. How to generate a specific nar file with mvn without building all other
> nar files?
> 3. How to delete all my NiFi data manually if the UI is unaccessible?
> Thanks
> Boying
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