Java Spring启动应用程序运行失败

这个错误是什么？我找不到它的任何来源。

项目缺少依赖项。在pom.xml中添加以下依赖项

2019-07-12 17:32:57.619  WARN 24158 --- [  restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration': Injection of autowired dependencies failed; nested exception is java.lang.NoClassDefFoundError: org/springframework/security/web/debug/DebugFilter

2019-07-12 17:32:57.639 ERROR 24158 --- [  restartedMain] o.s.boot.SpringApplication               : Application run failed

org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is java.lang.RuntimeException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration': Injection of autowired dependencies failed; nested exception is java.lang.NoClassDefFoundError: org/springframework/security/web/debug/DebugFilter

org.springframework.security
spring安全网

如果您选中这一行

java.lang.NoClassDefFoundError:org/springframework/security/web/debug/DebugFilter

，您将看到它在项目中找不到此类。您确定您的类路径中有jar spring安全web吗？尝试此链接获取jar，在maven或gradle中使用：[]。这很可能会解决问题。缺少类…问题已解决。所有spring安全依赖项版本都需要匹配。为什么会这样呢？谢谢大家。

<dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-web</artifactId>
</dependency>