I initially assumed this was something to do with the plan to migrate bitbucket repositores. However, it has been a problem for most of the day.
All repositories are affected.
System Error Details
Build Dxxxxxxxxxxxx - Debug Builds (xxxxxxx) : Unable to detect changes
(com.atlassian.bamboo.repository.RepositoryException : java.lang.RuntimeException: com.atlassian.bamboo.plugins.hg.HgCommandException: command /usr/bin/hg id -i --debug --rev default --config 'ui.ssh=ssh -o StrictHostKeyChecking=no -o BatchMode=yes' Working directory was `/data/jirastudio/bamboo/home/xml-data/build-dir/_hg-repositories-cache/f6f25d9ddb4327157ce61f8deed96c58f'. stderr: abort: HTTP Error 503: Service Unavailable stdout: using https://bitbucket.org/xxxproxying through http://squid:3128