I also think that the debian package of juju-core is missing a dependency (mongodb). Installing it manually solved this.
2013-08-15 09:03:40 INFO juju open.go:69 state: opening state; mongo addresses: ["localhost:37017"]; entity "" 2013-08-15 09:03:40 ERROR juju open.go:89 state: connection failed, will retry: dial tcp 127.0.0.1:37017: connection refused (...) Thanks, David -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1204302 Title: fails to bootstrap, returns error: no reachable servers To manage notifications about this bug go to: https://bugs.launchpad.net/juju-core/+bug/1204302/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs