spring注解报错的时候， 如org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'myService' defined in file [D:\work\workspace\E4S\springCode\src\org\springframework\test\annotion2\applicationContext.xml]: Initialization of be
缺少xpp3.jar包会报错：java.lang.IllegalArgumentException: XPP3 pull parser library not present.Specify another driver. For example: new XStream(new DomDriver()) at com.thoughtworks.xstream.io.xml.XppDriver.loadLibrary
问题如下；
java.lang.ExceptionInInitializerError
Caused by: java.lang.IllegalArgumentException: input == null!
at javax.imageio.ImageIO.read(ImageIO.java:1388)
at com.pleanwar.fiying.FlyingObject.loadImage(FlyingObject.java:52)
at com.pleanwar.hero.Her
1.报错
逆向工程
Existing file ...\mapper\original\SysMenuMapper.java was overwritten
java.lang.IllegalArgumentException:
Result Maps collection already contains value for com.atguigu.scw.manager.dao.UserMapper.BaseResultMap
//关键Exception
2.原因
逆向工程时，会自动
原来使用Spring Boot 1.x版本，升级2.x之后，报如下异常：
### Cause: java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:92)
at org.m
