class,forname的配置文件出问题
核对url
数据库中的名字和bean中名字不同
没有把jar包变成build path
相关文章
- java.lang.NoClassDefFoundError Could not initialize class 异常的处理
- java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment求大神解答
- no jpeg in java.library.path;java.lang.NoClassDefFoundError: Could not initialize class sun.awt.image.codec.JPEGImageEncoderImpl
- 验证码无法显示:java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironme 解决方案
- 验证码无法显示,服务器端出现异常:Could not initialize class sun.awt.X11GraphicsEnvironment
- netbeans 6.0 rc2 安装出错:java.lang.NoClassDefFoundError: Could not initialize class javax.swing.UIManager,google了半天没结果
- 关于android studio中使用class.forname()方法动态获取类实例报NO CLASS FOUND异常的几种处理方法
- 我的异常处理笔记1-There is no getter for property named 'xx' in 'class java.lang.String'
- 验证码无法显示,服务器端出现异常:Could not initialize class sun.awt.X11GraphicsEnvironment
- Java程序使用Alpine Linux报错java.lang.NoClassDefFoundError: Could not initialize class org.xerial.snappy.Snappy解决