【急救】HTTP Status 500 – Internal Server Error

最新推荐文章于 2025-07-07 15:15:13 发布

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最新推荐文章于 2025-07-07 15:15:13 发布 · 733 阅读

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#http #java #tomcat

博客内容讲述了遇到HTTP Status 500 Internal Server Error的问题，具体原因是NullPointerException。问题出现在TopService类的getList方法中，导致Spring MVC的请求处理失败，并涉及到了事务拦截器和字符编码过滤器。解决这个问题需要检查和调试服务层代码，确保没有空指针异常。

有没有哪位大神可以救救孩子，太难了

HTTP Status 500 – Internal Server Error

Type Exception Report

Message Request processing failed; nested exception is java.lang.NullPointerException

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:982)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

Root Cause
java.lang.NullPointerException
com.service.TopService.getList(TopService.java:33)
com.service.TopService $F a s t C l a s s B y S p r i n g C G L I B$ 77cb3a26.invoke()
org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
org.springframework.transaction.interceptor.TransactionInterceptor $1 . p r o c e e d W i t h I n v o c a t i o n (T r a n s a c t i o n$

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