Hello, we struggle for 5 months now with major errors on our production system: especially in our Java app that uses Apache FOP to create XML Reports that include images (SVG, etc.). We got “Image not found” erros every now and then! This does not occur with the very same application on alöl other…

If this is a production system, and your I.T. Department does not know how to handle this situation, stop paying them. They did a bad thing for your company if they cannot solve this. You can solve a lot on your own however ZFS failures, which it sounds like what you are describing, are nothing to…

This is a forum to share experience and find other fellows with similar probles and perhaps workarounds/solutions on the application side. “Call support” is not an answer. Of course they already checked and tried a lot of things but I am not involved in the IT - I am on the development side and it s…

We really can’t troubleshoot your described problem as there isn’t enough information to go on. Nothing is pointing to a TrueNAS or ZFS issue. It really needs to be worked on by your IT and development team together. If the IT team needs additional support for TrueNAS and ZFS, they need to contact…

@JavaAndTrueNas How is Apache FOP being run? This is not a base app of the Truenas system and Truenas itself would have no support for it. Typically since Apache FOP is an formatting objects process or and requires Java to work, it would be run in a custom docker container or in a virtual machine.…

Well we have a pretty standard Java Application, running within its Java VM on a Windows OS (Windows Server2025). For several years these “Windows Servers” where VirtualMachines (I guess on VMWare). Last year out IT changed the production server and now we have new hardware and they changed everythi…

Image not found errors with Apache FOP

TrueNAS General

SmallBarky April 14, 2026, 3:25pm 2

You need to provide more details on your TrueNAS server and your whole setup and how it interacts with your software. We are not there to observe what is happening and can not guess.

Topic		Replies	Views
[Pratfall] HELP! Disappearing files from boot pool and datasets - errors PAM, nginx, more - Scale 25.x TrueNAS General SCALE	8	84	November 29, 2025
Continuous writing activity on the boot disk every second TrueNAS General SCALE	30	1238	January 17, 2026
5 day reboots? TrueNAS General	12	168	October 8, 2025
Varying Unexpected Shutdowns TrueNAS General SCALE , Issue , Hardware , Performance	8	305	June 6, 2024
Pool Write Error Question TrueNAS General Question	8	113	April 25, 2025

Image not found errors with Apache FOP

Related topics