Unable to process parts as no multi-part configuration has been provided

junandjun

于 2025-03-18 17:12:00 发布

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文章标签： spring

本文链接：https://blog.youkuaiyun.com/junandjun/article/details/146346579

由于服务器迁移，jdk由原来的1.8升级到17，随着而来的springboot由原来的1.4.7.RELEASE升级到2.7.18，使用了spring security 。大部分功能没有什么问题，但上传文件报错，错误信息如下：java.lang.IllegalStateException: Unable to process parts as no multi-part configuration has been provided at org.apache.catalina.connector.Request.parseParts(Request.java:2766) ~[tomcat-embed-core-9.0.83.jar:9.0.83] at org.apache.catalina.connector.Request.getParts(Request.java:2735) ~[tomcat-embed-core-9.0.83.jar:9.0.83] at org.apache.catalina.connector.RequestFacade.getParts(RequestFacade.java:795) ~[tomcat-embed-core-9.0.83.jar:9.0.83] at javax.servlet.http.HttpServletRequestWrapper.getParts(HttpServletRequestWrapper.java:326) ~[tomcat-embed-core-9.0.83.jar:4.0.FR] at javax.servlet.http.HttpServletRequestWrapper.getParts(HttpServletRequestWrapper.java:326) ~

deepseek，百度了半天没有结果，然后就一点一点的删除文件，最后删除到一个

public class WebConfig implements WebMvcConfigurer 的文件后，问题解决了，里面有这样一段内容

@Bean
public ServletRegistrationBean<DispatcherServlet> dispatcherServletRegistration() {
   ServletRegistrationBean<DispatcherServlet> registration = new ServletRegistrationBean<>(new DispatcherServlet());
   registration.setName("dispatcherServlet");
   registration.setLoadOnStartup(1);
   registration.addUrlMappings("/"); // 确保 URL 映射正确
   return registration;
}

将这段内容注释掉就可以了，deepseek的解释是

当您在Spring Boot中 ‌手动注册DispatcherServlet‌（通过ServletRegistrationBean），会导致 ‌Spring Boot的默认自动配置失效‌，特别是与MultipartConfig相关的配置。此时必须 ‌显式关联MultipartConfigElement‌，否则会出现no multi-part configuration异常。