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https://issues.apache.org/jira/browse/NIFI-9577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17477292#comment-17477292
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Christoph Langheld commented on NIFI-9577:
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Hi [~markap14],
thank you.
The template is an example to reproduce the problem.
In our case the workflow is as follows:
At about 0:15 many xml files will be processed and stored under
tmp/prod/20220117/gaz/artikel (20220117 = current date).
Via CRON the GetFile processor will be called one hour later at 1:15. GetFile
looks in tmp/prod/${now():format('yyyyMMdd')}/
Path Filter is set to: ((anzg)|(gaz))\/artikel
Here we have the same problem: GetFile lists no files. I have to stop the
GetFile processor and start it timer driven.
It seems to me, that ${now():format('yyyyMMdd')}/ in Input directory in
combination with a value in Path filter does not work.
GetFile has no problems, if the Input directory is set to
tmp/prod/${now():format('yyyyMMdd')}/artikel/gaz and Path filter is empty.
> GetFile and ListFile list no files if Path Filter is not empty
> --------------------------------------------------------------
>
> Key: NIFI-9577
> URL: https://issues.apache.org/jira/browse/NIFI-9577
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.15.2
> Reporter: Christoph Langheld
> Priority: Major
> Attachments: GetFile-ListFile-Problem.xml, workflow.png
>
>
> Hello,
> under special circumstances GetFile and ListFile do not process files.
> To reproduce the problem I attached a template:
> [^GetFile-ListFile-Problem.xml]
> The template generates every minute (0 0/1 * ? * MON-SAT) a flow file of 10B
> and stores it locally in a *new* ( ! ) folder:
> tmp/prod/cltest/${now():format('yyyyMMdd-HHmm')}/gaz/artikel.
> GetFile and ListFile run about 30 seconds after GenerateFlowFile processor(35
> 0/1 * ? * MON-SAT). For both processors the input directory is:
> tmp/prod/cltest/${now():format('yyyyMMdd-HHmm')}/.
> Path Filter is set to: ((anzg)|(gaz))\/artikel
> The first time when the processors are running the result set of each
> processor contains 1 file.
> After the first run the result will always be empty. There occurs no error.
> It's only empty.
> !workflow.png|width=813,height=449!
> We use NiFi versions 1.11.4 and 1.15.2. Both have the same problem.
> Could you please have a look on it.
> Thank you and regards
> Christoph
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