[JIRA] [core] (JENKINS-26780) Auto-installer for JDK no longer works

Tue, 10 Feb 2015 05:56:37 -0800

Daniel Beck commented on Bug JENKINS-26780

FWIW I experienced something similar (mixup of various client downloaded DownloadService files) on Oct 28 2014 and Feb 10 2015. It's annoying as hell.

For me, the fix once this happens is:

Manage Jenkins, Script Console:

hudson.model.DownloadService.signatureCheck = false
hudson.model.DownloadService.Downloadable.all().each { it.updateNow() }
hudson.model.DownloadService.signatureCheck = true
return


Then go to Manage Jenkins, Configure Jenkins, and make sure that all tool installers point to the correct versions. Change and save if necessary.



It may even be necessary to verify that all tools on all slaves are actually correct, e.g. there may be a Maven in the folder containing auto-installed Ant binaries.






A possible solution would be to disable browser downloads of update center metadata (Manage Jenkins, Configure Jenkins, Download Preferences, disable Use browser). This may actually result in Jenkins not receiving any updates to tool versions though (not sure about that).
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