clutching at straws, please help

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markiz dosadny

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Oct 27, 2025, 7:52:24 PMOct 27
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Hi
I "inherited" xnat version 1.8.9.2 connected to postgres external db server with /data/xnat mounted from nfs storage. System is running on ubuntu 22.04LTS with tomcat9 running as user xnat.
Database is a postgres 14 again on ubuntu 14
All worked ok until last reboot. At the moment I'm having problems:

==> xdat.log <==
2025-10-27 20:49:44,839 [http-nio-8080-exec-3] ERROR org.nrg.xnat.utils.CatalogUtils - Unable to obtain read lock for file

And ultimately I can't see the documents displayed in gui.

Pulling rest of my hair now. Maybe somebody will have some time spare to push me to right direction debugging this please.
Any help muchly appreciated.


Mohana Ramaratnam

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Oct 28, 2025, 8:52:37 AMOct 28
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Hello,

Since its a reboot, just checking if the user who started the tomcat process owns the folders associated with XNAT - the archive, prearchive, build, cache etc

Regards,
Mohana Ramaratnam,

 moh...@xnatworks.io
 xnatworks.io | Find us on LinkedIn


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