code: public static PlanExecutor createLocalExecutor() {
  		Class<? extends PlanExecutor> leClass = loadExecutorClass(LOCAL_EXECUTOR_CLASS);
  		
  		try {
  			return leClass.newInstance();
  		}
  		catch (Throwable t) {
  			throw new RuntimeException("An error occurred while loading the local executor (" + LOCAL_EXECUTOR_CLASS + ").", t);
  		}
  	}
docs: Creates an executor that runs the plan locally in a multi-threaded environment.
  
  @return A local executor.
  @see eu.stratosphere.client.LocalExecutor