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[JENKINS-17526] Broken CSS when reloading Jenkins after a time of inactivity #14478
Description
Happens semi-random, but whenever I leave the Jenkins page for an amount of time and then come back and hit refresh, the CSS seems to break (see attached image).
Hitting refresh again does NOT fix it. However, holding shift while refreshing (forced refresh) fixes the issue and the page goes back to looking normal (hitting normal refresh works fine then).
I've tried it in different browsers (and even a co-worker's computer) and it is happening there too.
Originally reported by 
nacht, imported from: Broken CSS when reloading Jenkins after a time of inactivity
- assignee:
kohsuke
- status: Resolved
- priority: Major
- component(s): core
- resolution: Duplicate
- resolved: 2014-05-18T10:54:02+00:00
- votes: 31
- watchers: 56
- imported: 2025-11-24
Raw content of original issue
Happens semi-random, but whenever I leave the Jenkins page for an amount of time and then come back and hit refresh, the CSS seems to break (see attached image).
Hitting refresh again does NOT fix it. However, holding shift while refreshing (forced refresh) fixes the issue and the page goes back to looking normal (hitting normal refresh works fine then).
I've tried it in different browsers (and even a co-worker's computer) and it is happening there too.
Activity
jenkins-infra-bot commentedon Apr 9, 2013
Raw content of original comment:
I'm also seeing this issue, with the same "workaround" to resolve.
jenkins-infra-bot commentedon Apr 14, 2013
dann:
Raw content of original comment:
I also have this issue with 1.480.3 LTS. With Jenkins running on Windows XP as service.
If it makes any difference, I've found that some elements seem to lose their styling before others. In particular the breadcrumb navigation buttons at the top left of the screen seem to lose their styling first. This is quite annoying as the unstyled list of navigation items spans the width of the screen and overlays clickable elements on some screens preventing them from being clicked. I have also observed the entire page being unstyled as with above screenshot.
jenkins-infra-bot commentedon Apr 22, 2013
prestonj:
Raw content of original comment:
+1 for this issue appearing in 1.480.3 LTS. I installed the build via a debian package (ubuntu linux OS).
My feeling is that this issue should have a higher priority than minor as it gives the impression that the 1.480.3 "LTS" build is unpolished. However as noted above, using shift + refresh does make the problem go away.
jenkins-infra-bot commentedon Apr 23, 2013
Raw content of original comment:
This looks similar to JENKINS-17684. There is other interesting information related to the bug there.
jenkins-infra-bot commentedon Apr 23, 2013
Raw content of original comment:
Defiantly related. Linking to it since it has more info.
jenkins-infra-bot commentedon May 31, 2013
amit77us:
Raw content of original comment:
Same issue, running on Ubuntu 12.04 LTS.
Additionally, ONLY when the CSS is broken, I can delete existing users. Other times, the "delete" link on left side is not visible. Does anyone else also have this issue ? Are they related ?
jenkins-infra-bot commentedon Jun 3, 2013
Raw content of original comment:
Same here running on Windows XP host (as a service) and viewing no client machines using Chrome / FF.
Closing the tab and opening a new one appears to fix the issue.
jenkins-infra-bot commentedon Jun 3, 2013
Raw content of original comment:
We're running this in a project with 5 teams of about 2/3 developers per team and we all experience this issue. Simple refresh doesn't work (even with cache turned off under Chrome), but a ctrl-F5 seems to have some effect.
jenkins-infra-bot commentedon Jun 3, 2013
Raw content of original comment:
FYI, I've just upgraded to v1.517 and have not as yet seen the issue re-appear.
jenkins-infra-bot commentedon Jun 3, 2013
Raw content of original comment:
The fix for this should be in 1.518, so you may well still see this problem occur in 1.517.
jenkins-infra-bot commentedon Nov 7, 2013
Raw content of original comment:
Can confirm that with the latest version (1.538) as you can see on the screenshot here: https://dl.dropboxusercontent.com/u/617077/jenkins_css_broken.PNG
It seems that accessing the css files seems to return a HTTP 404 like for "http:///static/1a63fb46/css/style.css" and other files as well. A restart of the whole software seems to fix that.
jenkins-infra-bot commentedon Nov 11, 2013
Raw content of original comment:
After upgrading to 1.538, I was getting missing files too with URL (.../static/...). A full reboot of the server resolved it.
jenkins-infra-bot commentedon Nov 12, 2013
Raw content of original comment:
I'm getting the same issue in 1.538 too.
https://dl.dropboxusercontent.com/s/ze1soaao4zbg8ig/jenkins-css.png
This is very annoying and I have to be careful to not press F5.
The server is generating invalid URLs to static resources (e.g. http://touros:8080/static/38c6342f/images/24x24/grey.png), that gives 404 error.
A service reboot resolve the problem for a while.
jenkins-infra-bot commentedon Nov 14, 2013
Raw content of original comment:
This is happening on 1.539. Most CSS, JavaScript and images are failing to load.
The resources that succeed have the url formats:
http://myserver.com:8080/adjuncts/2103c023/org/kohsuke/stapler/rest-of-url
or
http://myserver.com:8080/static/2103c023/plugin/rest-of-url
The resources that fail have the url format:
http://myserver.com:8080/static/2103c023/rest-of-url.
Bind.js, jquery.full.js, breadcrumbs.js, breadcrumbs.css and some plugin images are the only files loading for me.
Clearing cache, force reloading, clearing cookie, logging out, and opening a different browser type does NOT fix the issue for me. I had to restart Jenkins.
This is on Windows 2008 R2 Standard Server Service Pack 1.
jenkins-infra-bot commentedon Nov 25, 2013
gjean:
Raw content of original comment:
I have the same problem with version 1.540 on Mac Os X 10.9
Sincerely
GJean
29 remaining items
jenkins-infra-bot commentedon Apr 11, 2014
oldelvet:
Raw content of original comment:
The fix for
JENKINS-22442restores the previous behaviour and 1.558 now honours the --webroot commandline argument again.jenkins-infra-bot commentedon May 18, 2014
Raw content of original comment:
Fix for
JENKINS-22442in 1.558 and 1.554.1 should resolve this as well. Therefore marking this as duplicate.jenkins-infra-bot commentedon Apr 3, 2015
Raw content of original comment:
Code changed in jenkins
User: Greg Albrecht
Path:
Library/Application Support/Jenkins/jenkins-runner.sh
scripts/postinstall-launchd-jenkins
http://jenkins-ci.org/commit/packaging/c8fb9d70124277b3d64e19a384171fcd396792e3
Log:
JENKINS-17526Relocating Jetty/Java tmpdir for Mac OS X.Originally-From: jenkins-ci.org/commit/core/95842fd6b6fe493da6bbb12faa0ec2c5c314f473
jenkins-infra-bot commentedon Apr 3, 2015
Raw content of original comment:
Code changed in jenkins
User: Olivier Lamy
Path:
Library/Application Support/Jenkins/jenkins-runner.sh
scripts/postinstall-launchd-jenkins
http://jenkins-ci.org/commit/packaging/c932cd9363357fc83e993b1da2d565ed2893aee1
Log:
Merge pull request #1061 from OnBeep/feature/ampledata-mac_os_x_tmp
JENKINS-17526Relocating Jetty/Java tmpdir for Mac OS X.Originally-From: jenkins-ci.org/commit/core/7c51cec55649b0e46047cb5e3198b66c3bdd94d5
jenkins-infra-bot commentedon Feb 24, 2025
ashish_modi:
Raw content of original comment:
We are facing similar issue with Jenkins. Logged in users are working fine and able to see the UI properly. But unlogged in users are not able to view the UI properly and css/images are messed up for them. The cache containing static content is not available for unlogged in users.
Anyone aware of this issue?
jenkins-infra-bot commentedon Nov 24, 2025
[Original
duplicatesfrom Jira: JENKINS-17684]jenkins-infra-bot commentedon Nov 24, 2025
[Original
duplicatesfrom Jira: JENKINS-22442]