> + }
> + });
> + } catch (Throwable e) {
> + logger.error("Can't find vm", e);
> + }
> + return vms;
> + }
> +
> + @Override
> + public Iterable<VirtualMachine> listNodes() {
> + Closer closer = Closer.create();
> + VSphereServiceInstance instance = serviceInstance.get();
> + closer.register(instance);
> +
> + try {
> + try {
General comment: Use the java 7 try-with-resources for all the closer stuff?
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