@Override
public void run() {
    Throwable err = null;

	try {
      // Critical worker's code.
    }
    catch(Throwable e) {
      err = e;
    }
    finally {
      // Call failure handler.
      FailureContext failureCtx = new FaulureCtx(FailureType.SYSTEM_WORKER_TERMINATION, err);

      FailureHandler failureHnd = failureHandler();ctx.failure().process(failureCtx);  // GetHandle failure handler configured by user.

 Where ctx -   failureHnd.onFailure(ignite, failureCtx); // Handle failurekernal context.
    }
}