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[JENKINS-31915] Proxy settings in plugins page are ignored #21621
Description
If you setup a Jenkins instance behind a proxy, the configuration from Manage Jenkins > Manage Plugins > Advanced tab are ignored and are not correctly being used. The documentation in the proxy configuration help option states:
The value you submit here will be set as http.proxyHost system property.
Looking quickly at the source code I was unable to locate references to the http.proxyHost property being set.
I was able to workaround the issue by setting up the proxy settings manually via the startup arguments:
-Dhttp.proxyHost=
-Dhttp.proxyPort=
-Dhttp.nonProxyHosts=
-Dhttp.proxyUser=
-Dhttp.proxyPassword=
Originally reported by 
schristou, imported from: Proxy settings in plugins page are ignored
- assignee:
escoem
- status: Resolved
- priority: Minor
- component(s): core
- label(s): 2.7.1-fixed
- resolution: Fixed
- resolved: 2016-06-02T17:58:01+00:00
- votes: 0
- watchers: 4
- imported: 2025-11-24
Raw content of original issue
If you setup a Jenkins instance behind a proxy, the configuration from Manage Jenkins > Manage Plugins > Advanced tab are ignored and are not correctly being used. The documentation in the proxy configuration help option states:
The value you submit here will be set as http.proxyHost system property.Looking quickly at the source code I was unable to locate references to the http.proxyHost property being set.
I was able to workaround the issue by setting up the proxy settings manually via the startup arguments:
-Dhttp.proxyHost= -Dhttp.proxyPort= -Dhttp.nonProxyHosts= -Dhttp.proxyUser= -Dhttp.proxyPassword=
- environment:
Jenkins latest + reverse proxy
Activity
jenkins-infra-bot commentedon Dec 4, 2015
Remote link associated with this issue:
jenkins-infra-bot commentedon Dec 6, 2015
Raw content of original comment:
The documentation on this is long obsolete, it was changed deliberately some years ago.
jenkins-infra-bot commentedon Dec 9, 2015
Raw content of original comment:
I think the issue you are talking about is not related to Jenkins core but to the async-http-client-plugin
It was already fixed jenkinsci/async-http-client-plugin#4
jenkins-infra-bot commentedon Dec 11, 2015
Raw content of original comment:
Only noProxyHost is ignored when validate proxy. async-http-client-plugin is not involved when validating proxy settings, so is not solved.
jenkins-infra-bot commentedon Jun 2, 2016
Raw content of original comment:
Code changed in jenkins
User: Emilio Escobar
Path:
core/src/main/java/hudson/ProxyConfiguration.java
core/src/main/resources/hudson/Messages.properties
core/src/main/resources/hudson/ProxyConfiguration/help-name.html
http://jenkins-ci.org/commit/jenkins/81e00cc67957018b0d355740a1eeb2bcd21c0609
Log:
[FIXED JENKINS-31915] Proxy settings in plugins page are ignored (#1955)
[FIXED JENKINS-31915] Proxy settings in plugins page are ignored
jenkins-infra-bot commentedon Feb 17, 2017
Raw content of original comment:
Code changed in jenkins
User: Emilio Escobar
Path:
core/src/main/java/hudson/ProxyConfiguration.java
core/src/main/resources/hudson/Messages.properties
core/src/main/resources/hudson/ProxyConfiguration/help-name.html
http://jenkins-ci.org/commit/jenkins/95c3f27e261bed384c3f96cc616cb7b1ee096cbf
Log:
[FIXED JENKINS-31915] Proxy settings in plugins page are ignored (#1955)
[FIXED JENKINS-31915] Proxy settings in plugins page are ignored
(cherry picked from commit 81e00cc)
jenkins-infra-bot commentedon Nov 24, 2025
[Original
duplicatesfrom Jira: JENKINS-22928]