private static ClusterState getAndCreateClusterState(String clusterName) {
ClusterState state = null;
try {
state = clusterSates.get(clusterName);
if (state == null) {
Map zkConf = UIUtils.resetZKConfig(Utils.readStormConfig(), clusterName);
state = new DistributedClusterState(zkConf);
ClusterState old = clusterSates.putIfAbsent(clusterName, state);
if (old != null) {
try {
state.close();
} catch (Exception e) {
LOG.warn("Close state error!", e);
}
state = old;
}
}
} catch (Exception e) {
LOG.error("Create cluster state error!");
}
return state;
}
