spring的同一定时任务上一次的任务未结束前不会启动这次任务问题

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" 
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:task="http://www.springframework.org/schema/task"
	xsi:schemaLocation="
		http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
		http://www.springframework.org/schema/task 
		http://www.springframework.org/schema/task/spring-task-3.0.xsd"
	default-lazy-init="true"  >
 
        <bean name="testJob" class="com.focus.support.job.TestJob" />
	<task:scheduled-tasks><!-- 定时任务每10秒执行一次-->
	 	<task:scheduled ref="testJob" method="pushConFamily" cron="*/10 * * * * ?"/>
	</task:scheduled-tasks>
</beans>

package com.focus.support.job;
 
import java.util.ArrayList;
import java.util.List;
 
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
/**
 * @author
 * @date 2018年6月5日
 * @version 2.1.1
 */
public class TestJob {
	
	private static final Logger log = LoggerFactory.getLogger(TestJob.class);
	
	private static Integer lastJobMaxPushIdStatus1 = 0;//上次推送的最大查询主键ID
	private static final String lockLastJobTimeStatus1 = "lockLastJobTimeStatus1";
	private static int times = 0;
	
	public void pushConFamily(){
		times++;
		log.info("TestJob.Start > "+lastJobMaxPushIdStatus1);
		List<Integer> list;
		if(lastJobMaxPushIdStatus1 == 0) {
			if(times != 1) System.out.println("等待开始"+times);
			synchronized (lockLastJobTimeStatus1) {
				if(times != 1) System.out.println("等待结束"+times);
				list = chaxunAll();
				if (list.size() > 0) {
					lastJobMaxPushIdStatus1 = list.get(0);
					
					for(int i=0;i<list.size();i++) {
						pushData();
					}
				}
			}
		} else {
			list = chaxunAll();
			if (list.size() > 0) {
				lastJobMaxPushIdStatus1 = list.get(0);
				
				for(int i=0;i<list.size();i++) {
					pushData();
				}
			} else {
				lastJobMaxPushIdStatus1 = 0;
			}
		}
		log.info("TestJob.End > "+lastJobMaxPushIdStatus1);
	}
	
	
	private List<Integer> chaxunAll() {
		System.out.println("执行查询操作");
		int size = 0;
		int maxId = 0;
		if(times == 1) {
			size = 80;
			maxId = 80;
		}
		if(times == 2) {
			size = 30;
			maxId = 90;
		}
		if(times == 3) {
			size = 15;
			maxId = 95;
		}
		List<Integer> list = new ArrayList<>(size);
		for(int i=0;i<size;i++) {
			list.add(maxId);
		}
		return list;
	}
 
	private void pushData() {
		try {
			Thread.sleep(1000);
		} catch(Exception e) {
			e.printStackTrace();
		}
	}
}