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Bug
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Resolution: Unresolved
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Major
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None
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Gerrit version: 3.2.3
Jenkins version: 2.249.1 (LTS)
gerrit-code-review-plugin version: 0.4.4
The gerrit code review plugin seems to ignore context path when accessing the checks API of a gerrit server and always use a path of /
Steps to reproduce:
Install a gerrit server with a context path other than / (ex: /myproject/gerrit/)
Create a multibranch pipeline that checks out a project using the server address (e.g. https://myserver.mydomain/myproject/gerrit/a/myrepository)
Result:
Jenkins shows the following error:
Unable to query for pending checks: com.google.gerrit.extensions.restapi.RestApiException: Failed to list pending checks:
Logs from the reverse proxy indicate that jenkins tries to access an url starting with https://myserver.mydomain/a/plugins/checks/checks.pending/?query= instead of https://myserver.mydomain/myproject/gerrit/a/plugins/checks/checks.pending/?query=
This is a problem especially when serving multiple gerrit servers with a single reverse proxy since there is no easy workaround in that case.
[JENKINS-63887] Gerrit server context path is ignored when accessing checks API
Alexander Ost
added a comment - New PR that also fixes the tests: #59 
Marco
added a comment - I'm having the same problem.
Gerrit is running via a reverse proxy and is available at: http://example.local/gerrit/
The reverse proxy is connecting to Gerrit via: http://127.0.0.1:8081/gerrit/
The repository URL is defines as: http://JenkinsCI@example.local/gerrit/a/Some/Project
The REST API calls are always made to http://example.local/a/plugins/....
and fail.
I've build the plugin with the mentioned PR, but this didn't work either.
Any further suggestions?
Marco
added a comment - I'm having the same problem.
Gerrit is running via a reverse proxy and is available at: http://example.local/gerrit/
The reverse proxy is connecting to Gerrit via: http://127.0.0.1:8081/gerrit/
The repository URL is defines as: http://JenkinsCI@example.local/gerrit/a/Some/Project
The REST API calls are always made to http://example.local/a/plugins/ ....
and fail.
I've build the plugin with the mentioned PR, but this didn't work either.
Any further suggestions? My pull request did not fix the issue in all places (e.g., search for open check would fail). I updated the PR – hope it works for you.
Alexander Ost
added a comment - - edited My pull request did not fix the issue in all places (e.g., search for open check would fail). I updated the PR – hope it works for you. Marco
added a comment - I've tested your new PR. Now it's working and Jenkins is able to search for open check requests.
Marco
added a comment - I've tested your new PR. Now it's working and Jenkins is able to search for open check requests. Alexander Ost
added a comment - Thanks – glad to hear that it works for you. lucamilanesio, could you please check the PR? This issue breaks the plugin for anyone running Gerrit with a non-root context path.
Alexander Ost
added a comment - Thanks – glad to hear that it works for you. lucamilanesio , could you please check the PR ? This issue breaks the plugin for anyone running Gerrit with a non-root context path. 
I just ran into the same problem and I think I found the root cause. I created a pull request that fixes the problem for me, could you please review it?