The import java.util cannot be resolved 原因:这是由于你的项目buildpath不对 解决方案:右键项目-------buildpath--------最下面那个configuration 的选择libraries找到JRE(这个时候你会发现这个jre前面有!或者是红X)选中remove掉重新为该项目选择一个JRE选中项目,project----clean java.lang.UnsupportedClassVersionError: Bad versio
报错如下: org.springframework.orm.jpa.JpaObjectRetrievalFailureException: Unable to find com.rollong.chinatower.server.persistence.entity.staff.Department with id 0; nested exception is javax.persistence.EntityNotFoundException: Unable to find com.rollon
进行 spring mvc jpa整合时.Junit方法测试时. 异常: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [applicationContext.xml]: Invocation of init method failed; nested excep
Atitit 图像处理底色变红的解决 1.1. 原因 ImageIO bug ,alpha通道应该在保存jpg的时候排除1 1.2. 解决,自己移除alpha通道即可1 2. Image saved in JavaFX as jpg is pink toned1 1.1. 原因 ImageIO bug ,alpha通道应该在保存jpg的时候排除 It looks like you are encountering existing bugs in the ImageIO or Java
Error: The import javax.servlet cannot be resolved The import javax.servlet.http.HttpServletRequest cannot be resolved Description: 我们经常会把别人的项目copy到自己这里进行二次开发或者参考,有的时候会发生上面的错误, ? 即eclipse项目里我们导进的项目里提示HttpServletRequest 不能引用,会伴随头疼的小红叉出现. Accuse: 具体原因是
Exception in thread "main" java.lang.NoClassDefFoundError: javax/persistence/EntityListeners at org.hibernate.cfg.annotations.reflection.JPAMetadataProvider.getDefaults(JPAMetadataProvider.java:96) at org.hibernate.annotations.common.reflection.