ignite-gg-12290 fix npe in cluster processor if got exception on start in plugin processor.
@@ -346,6 +346,9 @@ public class ClusterProcessor extends GridProcessorAdapter {
if (verChecker != null)
verChecker.stop();
+ // Io manager can be null, if invoke stop before create io manager, for example
+ // exception on start.
+ if (ctx.io() != null)
ctx.io().removeMessageListener(TOPIC_INTERNAL_DIAGNOSTIC);
}
