output: #fixed code
                               @Override
  	public void start() {
  		createKafkaConsumer();
  		//按主题数创建ConsumerWorker线程
  		for (int i = 0; i < topicHandlers.size(); i++) {
  			ConsumerWorker consumer = new ConsumerWorker();
  			consumerWorks.add(consumer);
  			fetcheExecutor.submit(consumer);
  		}
  	}
input: #vulnerable code 
                               @Override
  	public void start() {
  
  		for (int i = 0; i < topicHandlers.size(); i++) {
  			ConsumerWorker<String, DefaultMessage> consumer = new ConsumerWorker<>(configs, topicHandlers,processExecutor);
  			consumers.add(consumer);
  			fetcheExecutor.submit(consumer);
  		}
  	} 
                              #location 7 
                              #vulnerability type RESOURCE_LEAK