处理java.lang.NoClassDefFoundError错误

最新推荐文章于 2023-04-29 11:45:00 发布

光军丶

最新推荐文章于 2023-04-29 11:45:00 发布

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分类专栏： java 文章标签： java exception

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本文详细解析了在启动SpringCloud项目时遇到的Caused by: java.lang.NoClassDefFoundError错误，具体表现为Could not initialize class org.hibernate.validator.internal.engine.ConfigurationImpl。通过检查项目依赖树，发现缺少必要的jar包导致该问题。文章对比了ClassNotFoundException与NoClassDefFoundError的区别，前者在尝试加载不存在的类时抛出，后者在类定义无法构造时抛出。

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一般出现出现jar包缺失，或者版本不对，都会提示ClassNotFoundException。这次出现这个发先还是jar包丢失，启动springcloud项目的时候发现Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.validator.internal.engine.ConfigurationImpl错误，查看引入jar包的树结构发现缺少

区别在哪里参考（https://stackoverflow.com）

ClassNotFoundException：The Java exception thrown when an application tries to load a class by name but is not able to find the class.

NoClassDefFoundError：The Java Error thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and a valid representation of the class could not be constructed.