HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException

type Exception report

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

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:965)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844)
javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
com.auth.filter.AuthorizationFilter.doFilterInternal(AuthorizationFilter.java:77)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
com.auth.filter.AuthenticationFilter.doFilterInternal(AuthenticationFilter.java:111)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
root cause

java.lang.NullPointerException
com.xinghe.base.action.NoticePublic.listNotice(NoticePublic.java:44)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:440)
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:428)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:919)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:851)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844)
javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)
javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
com.auth.filter.AuthorizationFilter.doFilterInternal(AuthorizationFilter.java:77)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
com.auth.filter.AuthenticationFilter.doFilterInternal(AuthenticationFilter.java:111)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.54 logs.

Apache Tomcat/7.0.54

NullPointerException，这个错误非常明显，就是没有对变量进行Null推断。

错误位置：com.xinghe.base.action.NoticePublic.listNotice(NoticePublic.java:44)

HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException的更多相关文章

  1. SSM框架报HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException错

    如下图 一番排查之后发现原来是server层写漏注释了 粗心大意,一天内出现两次写漏注释,SSM框架有意思.

  2. HTTP Status 500 - Request processing failed; nested exception is java.lang.IllegalArgumentException: Control character in cookie value or attribute.

    HTTP Status 500 - Request processing failed; nested exception is java.lang.IllegalArgumentException: ...

  3. HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config

    今天在用idea搭建spring mvc时候报了这个错误,缺少jstl的依赖包.由于是使用的spring-core的依赖,而spring-core里面是有jstl的.这就郁闷了,最后是在自己的pom. ...

  4. HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment

    解决方案:修改catalina.sh 文件加上-Djava.awt.headless=true JAVA_OPTS="$JAVA_OPTS $JSSE_OPTS -Djava.awt.hea ...

  5. error：org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException

    问题:调用的方法在一个接口类中,但我并没有注入那个被调用的类 解决:在UserEntity前加上@Autowired @Controller public class MainController { ...

  6. 报错：严重: Servlet.service() for servlet [springmvc] in context with path [ ] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause

    解决:service类或dao类需要@Autowired

  7. 14- Servlet.service() for servlet [mvc-dispatcher] in context with path [/collegeservice] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root caus

    有的service没有依赖注入:

  8. HTTP Status 500 - Request processing failed; nested exception is org.springframework.jdbc.BadSqlGram

    HTTP Status 500 - Request processing failed; nested exception is org.springframework.jdbc.BadSqlGram ...

  9. HTTP Status 500 - Request processing failed; nested exception is org.hibernate.exception.GenericJDBCException: could not execute statement

    1.什么操作出现:当我在项目中添加产品或者修改时,浏览器出现HTTP Status 500 - Request processing failed; nested exception is org.h ...

随机推荐

  1. AWR系列之中的一个——AWR简单介绍

    AWR的全称是Automatic Workload Repository(自己主动负载知识库). 它是通过对照两次快照的方式收集到统计信息.来生成txt或者html页面形式的报告. 通常,通过AWR报 ...

  2. 解惑rJava R与Java的快速通道

    阅读导读: 1.什么是RJava? 2.怎样安装RJava? 3.怎样用RJava实现R调用Java? 1. rJava介绍 rJava是一个R语言和Java语言的通信接口.通过底层JNI实现调用,同 ...

  3. spark Bisecting k-means（二分K均值算法）

    Bisecting k-means(二分K均值算法) 二分k均值(bisecting k-means)是一种层次聚类方法,算法的主要思想是:首先将所有点作为一个簇,然后将该簇一分为二.之后选择能最大程 ...

  4. 杂项-Java：Spring

    ylbtech-杂项-Java:Spring Spring是一个开放源代码的设计层面框架,他解决的是业务逻辑层和其他各层的松耦合问题,因此它将面向接口的编程思想贯穿整个系统应用.Spring是于200 ...

  5. 26.QT颜色与布局

    dialog.h #ifndef PALETTE_H #define PALETTE_H #include <QDialog> #include <QComboBox> #in ...

  6. BZOJ 3323 splay维护序列

    就第三个操作比较新颖 转化成 在l前插一个点 把r和r+1合并 //By SiriusRen #include <cstdio> #include <cstring> #inc ...

  7. 利用jqueryzoom实现图片放大镜效果

    在你的页面中包含 jqzoom.css <link rel="stylesheet" href="your_path/jqzoom.css" type=& ...

  8. 截图 gif 图小工具

    GifCam gyazo gyazo.com Windows 10 中的内置截屏(Win+G)

  9. node操作mysql插入数据异常，incorrect string value

    产生的原因 我在创建表的时候,并没有设定字符编码,所以,默认的字符编码是 latin1 在我插入数据的时候,我的一个字段name设定的是varchar(20) 其实,这时的编码就是 latin1 所以 ...

  10. Android FloatMenuSample

    项目地址:fanOfDemo/FloatMenuSample crosg/FloatMenuSample transfer from yiming/FloatMenuSample GIF GRADLE ...