After upgrading to Jenkins LTS 2.176, the Server Status page in Gerrit Trigger section didn't display any information, showing a "Data error" message.
2019-08-30 09:47:15.644+0000 [id=65732] WARNING j.s.s.StaplerFilteredActionListener#onGetterTrigger: New Stapler routing rules result in the URL "/gerrit-trigger/serverStatuses" no longer being allowed. If you consider it safe to use, add the following to the whitelist: "method com.sonyericsson.hudson.plugins.gerrit.trigger.GerritManagement getServerStatuses". Learn more: https:
method com.sonyericsson.hudson.plugins.gerrit.trigger.GerritManagement getServerStatuses
is wrong, because it doesn't work upon testing. Instead, the correct line to be added to the whitelist is
If one doesn't have enough Jenkins / debugging experience, an error like this can become very hard to track down and fix.