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 '…

-noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port= -Dcom.sun.management.jmxremote.authenticate= -classpath "C:\Program Files\Java\jdk1.8.0_191\jre\lib\charsets.jar;C:\Program Files\Java\j…

Caused by: java.lang.IllegalArgumentException: Modifying queries can only use void or int/Integer as return type!…

使用spring boot对项目改造,启动报错: Caused by: java.lang.IllegalArgumentException: At least one JPA metamodel must be present! 估计是跟多个数据源有关,改成如下这样就可以了 @SpringBootApplication @EnableAutoConfiguration(exclude={ JpaRepositoriesAutoConfiguration.class//禁止springboot自…

完整报错是: Caused by: java.lang.IllegalArgumentException: Does not contain a valid host:port authority: hadoop:password@node56:9000 解决方案: 我在添加hadoop cluster的时候报错如上,去掉了用户名和密码就好了~~~~~~~~~,出现如下就可以使用了(譬如添加hadoop copy file也能读取到文件夹里面的文件了)----右侧的 × 和!不影响使用…

spring boot整合elasticsearch, 启动报错: Caused by: java.lang.IllegalStateException: availableProcessors ], rejecting [] at io.netty.util.NettyRuntime$AvailableProcessorsHolder.setAvailableProcessors(NettyRuntime.java:) ~[netty-common-.Final.jar:.Final] at…

报错如下: java.io.IOException: javafx.fxml.LoadException: /C:/User.................test.fxml at com.oracle.javafx.scenebuilder.kit.fxom.FXOMLoader.load(FXOMLoader.java:92) at com.oracle.javafx.scenebuilder.kit.fxom.FXOMDocument.<init>(FXOMDocument.java:…

spark 2.1.1 一 问题重现 spark-submit --master local[*] --class app.package.AppClass --jars /jarpath/zkclient-0.3.jar --driver-memory 1g app.jar 报错 Java HotSpot(TM) 64-Bit Server VM warning: Setting CompressedClassSpaceSize has no effect when compressed cl…

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'orderServiceImpl': Unsatisfied dependency expressed through field 'memberFeign'; nested exception is org.springframework.beans.factory.BeanCreationExcept…

见鬼的事发生了. 在家里电脑上拿样例代码,运行时OK的.但一到公司电脑,用同样的代码,就会报下面的错误 ===================== Caused by: java.lang.ClassNotFoundException: com.netflix.servo.monitor.Monitors at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_121] at java.lang.Class…