今天闲来无事,学习springboot整合mybatis,在bilibili看视频学的,视频中在dao层的interface上面加上org.apache.ibatis.annotations.Mapper注解就可以了,但是我一直报错.这个应该是springboot整合mybatis的一个bug(新版的) Description: Field userDao in com.yuanqiao.service.impl.UserServiceImpl required a bean of type '…
hadoop环境部署完,执行hdfs zkfc -formatZK命令时,提示如上图所示错误 错误内容: [root@study_1_1 hadoop]# hdfs zkfc -formatZK Exception in thread "main" java.lang.IllegalArgumentException: Does not contain a valid host:port authority: study_1_1:9000 at org.apache.hadoop.ne…
tomcat启动一个spring的项目,tomcat使用8.5,JDK使用1.8,Spring使用3.0,启动之后报错 Caused by: java.lang.IllegalArgumentException at org.springframework.asm.ClassReader.<init>(Unknown Source) at org.springframework.asm.ClassReader.<init>(Unknown Source) at org.spring…
一.问题 eclipse启动时报下面的错误: Caused by: java.lang.IllegalArgumentException: Caches collection already contains value for com.crm.dao.PaperUserMapper at org.apache.ibatis.session.Configuration$StrictMap.put(Configuration.java:782) ~[mybatis-3.2.7.jar:3.2…
Spring.之.报错 No Spring Session store is configured springboot在启动的时候报如下错误: Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled. 2019-09-09 20:55:14.732 ERROR 5564 --- [ main] o.s.boot…