looking at files timestamps it appears backend crawler hasn't run since 26-Oct-2014
Identified in bug: https://github.com/jenkinsci/packer-plugin/issues/4
JVM-versions for autoinstall is not being updated
Expired Certificate in tool update center
Crawler cannot rely on archive.apache.org
Move backend-crawler to ci.jenkins-ci.org
It's happening again — the backend crawler has not run since 22nd March:
I checked a few mirrors and they're in the same state.
This appears to have started working again at some point in the last few days.
Again, the backend-crawler has not run in three weeks (since 2nd May):
Re-opening as this is still broken, and more people are noticing and posting on JIRA / mailing lists (e.g. outdated Gradle versions).
As mentioned on INFRA-75 (which is still open), Kohsuke restarted the machine responsible and updates are working again.