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From Makoto Hashimoto <tokomakoma...@gmail.com>
Subject Re: Deleting an empty group fails
Date Sat, 28 Jan 2017 06:06:48 GMT
I've tested my doubt. Only deleting referenced templates in a group enables
deleting itself.

Makoto

2017-01-28 14:30 GMT+09:00 Makoto Hashimoto <tokomakoma123@gmail.com>:

> Hi Andy,
>
> Actually, I did as you explained. There are more than 7 templates in my
> Nifi environments
> but I could delete the group after deleting  7 templates.
>
> One doubt is I have not used 7 templates in that group but I'm not sure.
>
> Makoto
>
> 2017-01-28 12:59 GMT+09:00 Andy LoPresto <alopresto@apache.org>:
>
>> Makoto,
>>
>> For future reference, you only need to delete the templates contained in
>> the process group you are trying to delete. You can see the process group
>> ID in the templates listing — any that match the UUID of the PG you are
>> deleting need to be deleted, but others are fine.
>>
>> Andy LoPresto
>> alopresto@apache.org
>> *alopresto.apache@gmail.com <alopresto.apache@gmail.com>*
>> PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4  BACE 3C6E F65B 2F7D EF69
>>
>> On Jan 27, 2017, at 7:56 PM, Makoto Hashimoto <tokomakoma123@gmail.com>
>> wrote:
>>
>> Hi all,
>>
>> I could delete the process group after deleting all templates in my
>> environment.
>>
>> MH
>>
>>
>> 2017-01-28 12:38 GMT+09:00 Andy LoPresto <alopresto@apache.org>:
>>
>>> Created NIFI-3417 [1] to address this.
>>>
>>> [1] https://issues.apache.org/jira/browse/NIFI-3417
>>>
>>> Andy LoPresto
>>> alopresto@apache.org
>>> *alopresto.apache@gmail.com <alopresto.apache@gmail.com>*
>>> PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4  BACE 3C6E F65B 2F7D EF69
>>>
>>> On Jan 27, 2017, at 7:35 PM, Joe Witt <joe.witt@gmail.com> wrote:
>>>
>>> That certainly sounds JIRA worthy though.  Templates should not be able
>>> to block the destruction of a process group.
>>>
>>> On Fri, Jan 27, 2017 at 10:32 PM, Andy LoPresto <alopresto@apache.org>
>>> wrote:
>>>
>>>> Makoto,
>>>>
>>>> Templates are tied to process groups. Unfortunately, this means that to
>>>> delete the group, you will have to delete the templates first. You can do
>>>> this by using the “hamburger” global menu at the top right of the UI
and
>>>> selecting “Templates”, then deleting the templates which reside in this
>>>> process group (export them to XML first if you want to save them).
>>>>
>>>> If you want to move those templates out of the PG, and you are
>>>> comfortable working in XML, a less-enticing option is to stop the
>>>> application, uncompress and open the flow.xml.gz file, and move the
>>>> template entries out of the process group to root or another group, being
>>>> sure to update any references in the XML. Then save and compress the file,
>>>> and restart the application.
>>>>
>>>> I understand this is not an ideal solution. I’m going to file a Jira
>>>> documenting this and suggest that the dialog allows you to select one of
>>>> three options:
>>>>
>>>> 1. Delete process group and all contained templates
>>>> 2. Delete process group and move templates to parent PG (this could
>>>> cause issues because the components and connections will no longer be
>>>> defined)
>>>> 3. Cancel the delete operation.
>>>>
>>>> I’ll also suggest improving the documentation to make this situation
>>>> clearer.
>>>>
>>>> <template_delete.png>
>>>>
>>>>
>>>> Andy LoPresto
>>>> alopresto@apache.org
>>>> *alopresto.apache@gmail.com <alopresto.apache@gmail.com>*
>>>> PGP Fingerprint: 70EC B3E5 98A6 5A3F D3C4  BACE 3C6E F65B 2F7D EF69
>>>>
>>>> On Jan 27, 2017, at 7:12 PM, Makoto Hashimoto <tokomakoma123@gmail.com>
>>>> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I'm trying to delete an empty group.
>>>>
>>>> <image.png>
>>>>
>>>> However, it fails with the following error.
>>>>
>>>> <image.png>
>>>>
>>>> Is something wrong with my operation and could someone would help to
>>>> solve this problem ?
>>>>
>>>> Regards,
>>>> MH
>>>>
>>>>
>>>
>>
>>
>

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