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Posted to issues@nifi.apache.org by "Pierre Villard (Jira)" <ji...@apache.org> on 2026/01/05 10:36:07 UTC
[jira] [Resolved] (NIFI-9792) hadoop.ListHDFS.java Data may be lost(not listed)
[ https://issues.apache.org/jira/browse/NIFI-9792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pierre Villard resolved NIFI-9792.
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Resolution: Feedback Received
Apache NiFi 1.x is no longer maintained and no new release is planned on the 1.x release line. Marking as resolved as part of a cleanup operation. Please open a new one with an updated description if this is still relevant for NiFi 2.x.
> hadoop.ListHDFS.java Data may be lost(not listed)
> -------------------------------------------------
>
> Key: NIFI-9792
> URL: https://issues.apache.org/jira/browse/NIFI-9792
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Affects Versions: 1.15.3
> Reporter: Hadiiiiiiiii
> Priority: Major
> Attachments: image-2022-03-14-15-27-14-585.png, image-2022-03-14-15-27-21-977.png, image-2022-03-14-18-09-07-395.png
>
>
> in this code, compute the fileAge, the CurrentTimeMillis() is not same. so maybe have this wrong:
> !image-2022-03-14-15-27-21-977.png!
>
> see this:
> !image-2022-03-14-15-27-14-585.png!
> normal case:
> hdfsFileTime whenListTheFileTime Difference(theFileExistenceTime) isTakeTheFile
> 14:46:00 15:00:00 4min false
> 14:47:00 15:00:00 3min false
> 14:48:00 15:00:00 2min false
> all is ok
> abnormal case:
> hdfsFileTime whenListTheFileTime Difference(theFileExistenceTime) isTakeTheFile
> 14:46:00 15:00:00 4min false
> 14:47:00 15:02:00（delayed for 2min） 5min true
> 14:48:00 15:02:00 4min false
> lost first file and last file.
>
>
> so, do not use the System.currentTime.
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