topic Re: /tmp area filling up with jr-font TTF files in Windchill

/tmp area filling up with jr-font TTF files

avillanueva — Wed, 18 Feb 2026 21:14:16 GMT

On Windchill 13.0.2.4. I have seen this many months ago so not a huge issue. It might be related to a customization we added to process representations from WTDocuments but here goes. User got an error message "No Space Left on This Device". Sure enough /tmp was at 100% of 1GB. Looking in folders, the Windchill temp folder was filled with 500+ font files with the pattern jr-font<some number>.ttf. These are about 0.5 MB each so eventually it filled up. I cleared out these files but I am sure to see this again. Any idea as to what its doing and why they are not being cleaned up. I suspect its related to something we added but just a quick guess.

Re: /tmp area filling up with jr-font TTF files

Fadel — Wed, 11 Mar 2026 16:06:35 GMT

Take a look at https://www.ptc.com/en/support/article/CS406061

Re: /tmp area filling up with jr-font TTF files

avillanueva — Fri, 13 Mar 2026 11:11:23 GMT

I will have to see which jasper reports are generating these but I think you have nailed the cause. Surprised I did not see this before. Strange that it only looks for them to clean up on startup/shutdown events. This means that if you run for a long time, it could fill up. I suspect a cron job to clean these is needed.

Re: /tmp area filling up with jr-font TTF files

jbailey — Fri, 13 Mar 2026 13:30:04 GMT

What is interesting - this is strikingly similar to the Solr temp file issue.

Re: /tmp area filling up with jr-font TTF files

Fadel — Fri, 13 Mar 2026 13:50:30 GMT

@jbailey All third-party softwares should use that folder

Re: /tmp area filling up with jr-font TTF files

avillanueva — Fri, 13 Mar 2026 15:05:32 GMT

Confirmed, its the "View Summary Report" from change notice actions. I think users are clicking that which dumps a bunch of the font files in the temp folder. We do not use this report. I should just remove from interface.

Re: /tmp area filling up with jr-font TTF files

Fadel — Fri, 13 Mar 2026 15:29:49 GMT

@avillanueva yes you can do ,customer generally do it with .bat script that they run periodically