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From Conrad Crampton <>
Subject Re: Nifi versions and upgrades
Date Fri, 06 May 2016 12:05:45 GMT
Hi Joe,
Thanks for your quick response (again).
You prompted me to look at every node in the cluster with ps aux | grep nifi and found that
two of my nodes were still running 0.5.1. I do remember now that I was experiencing an odd
thing with these in that everytime I did a service nifi stop, I would see nifi start up again
(using ps) which was a bit odd but I had thought I had sorted that.
However, having now sorted out these two nodes all appears well again. Correct version reported
and all processors available. ;-)

I am seeing 
java.lang.IllegalArgumentException: Invalid locale format: default
        at org.apache.commons.lang.LocaleUtils.toLocale( ~[na:na]
        at org.apache.nifi.processors.kite.ConvertAvroSchema.onTrigger(

I have a number of flows that use convertAvroSchema processor but I just have the default
locale of ‘default’ in there which would appear to be the problem. I’m running on Java
8 if that make a difference.


On 06/05/2016, 12:22, "Joe Witt" <> wrote:

>Inside the conf/ file there is a property called
>  nifi.version=
>You will need to change that to the version you've upgrade to if you
>just carried forward the old config file.  That value is what ends up
>being displayed in the web-ui.
>Now, having said this if you are running and see old processors and
>such listed then it means the NiFi instance you're connecting to is
>likely still an old one.  Are you sure you stopped the old one before
>starting the new one?  Could you show a listing of the nifi lib
>directory as found in the ps listing you reference?
>On Fri, May 6, 2016 at 5:36 AM, Conrad Crampton
><> wrote:
>> Hi,
>> I have followed the advice on upgrade planning [1] and [2] and had success
>> since upgrading from 0.4.1 to 0.6.1 (via .5x) or so I thought!
>> I am using ansible to perform the upgrades to 6 node cluster but then go
>> into each server to do a ./ install to install new version as
>> service. Running service nifi start shows correct bootstrap messages in that
>> 0.6.1 is running with correct home (/opt/nifi-0.6.1) and all seems fine.
>> There is a /work directory expanded with all correct versions of nars etc.
>> and ps aux | grep nifi shows that nifi is in fact running from
>> /opt/nifi-0.6.1.
>> So what’s the problem?
>> In the UI, I was trying to use the new ListenTCP processor and it isn’t
>> listed when I drag the processors onto the workspace (I get 125 processors
>> listed), and when I do help…about, I get 0.5.1 as version.
>> Can anyone suggest how to force UI to update (if indeed this is the
>> problem)??
>> Thanks
>> Conrad
>> [1]
>> [2]
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