Integrate Apache Ignite with Storm. Some question?

[monstereo]

Hi,

I want to integrate Apache Storm with Ignite.
As you know, Storm uses executors(which are Threads)
Here is the pseudo code in my Spout(related to Storm)

public class MySpout{
         private boolean isIgniteCreated = false
         public void open(Map map, TopologyContext topologyContext,
SpoutOutputCollector spoutOutputCollector){
                      if (isIgniteCreated){
                                      create ignite node
                                       isIgniteCreated=true
                      }

When i working storm (included ignite), sometimes ignite give an error
("Ignite instance already started ...")
Then, i thought that this code is useless (and give the error "Ignite
instance already started ..." because of threads)
then, i have changed to variable to "volatile"

Like this situation, is there anything that i should do carefully when
working Storm?

Thanks...




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