You've hit quite the edge case! Basically, there were instances returned from the create call that were not returned from the describe call. Eventual consistency, in other words.
https://github.com/jclouds/jclouds/blob/master/apis/ec2/src/main/java/org/jclouds/ec2/compute/strategy/EC2CreateNodesInGroupThenAddToSet.java#L163 On Mon, Oct 27, 2014 at 6:00 AM, Yaron Rosenbaum <yaron.rosenb...@gmail.com> wrote: > jclouds.compute - << not api visible instances([{region=us-east-1, > name=sir-02ggqbxp}]) > > > > (Y) > >