Thread.sleep 延时查询或延时查询前更新es缓存数据
MQ消息的顺序性,或发送MQ的发送端未严格事务处理,可能存在数据未落库的情况,而导致接收端处理MQ消息的时候,查询为空。
代码语言:javascript复制//demo1 订单
Order Order = OrderMapper.getOrder(orderNo);
if (Order == null) {
//延时3秒
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
log.error("查询Order延时3秒异常:orderNo=[{}]",e,orderNo);
}
Order = OrderMapper.getOrder(orderNo);
if (Order == null) {
throw new RuntimeException("Order is null , orderNo = " orderNo);
}
}
//demo2 查询es
Order bo = orderSearchService.detail(orderNo);
if(bo == null){
//es尝试刷新一次
List<String> orderNoList = Arrays.asList(orderNo);
orderSearchService.refresh(orderNoList);
Thread.sleep(3000);
//重新查询
bo = orderSearchService.detail(orderNo);
if(bo == null){
logger.info("es查询订单信息Order is null , orderNo = " orderNo);
return content;
}
}