2020年8月8日
ElasticSearch
摘要： 一、ElasticSearch 1、Installation (1)uncompress elasticsearch-5.6.8 (2)command line-->elasticsearch(at \bin directory) 2、usage (1)create index (2)create 阅读全文
posted @ 2020-08-08 22:14 遥~ 阅读(252) 评论(0) 推荐(0)
Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause
摘要： 1.controller层没有加@ResponseBody 2.Service层实现类未添加注解@Autowired 阅读全文
posted @ 2020-08-08 10:57 遥~ 阅读(322) 评论(0) 推荐(0)