处理程序调度失败;嵌套异常为java.lang.NoSuchMethodError

Question

消息

Handler dispatch failed; nested exception is java.lang.NoSuchMethodError: 'javax.servlet.http.HttpServletMapping javax.servlet.http.HttpServletRequest.getHttpServletMapping()'

描述

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

异常

org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.NoSuchMethodError: 'javax.servlet.http.HttpServletMapping javax.servlet.http.HttpServletRequest.getHttpServletMapping()'
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1076)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:961)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

根本原因

java.lang.NoSuchMethodError: 'javax.servlet.http.HttpServletMapping javax.servlet.http.HttpServletRequest.getHttpServletMapping()'
org.springframework.web.util.UrlPathHelper.skipServletPathDetermination(UrlPathHelper.java:265)
org.springframework.web.util.UrlPathHelper.getLookupPathForRequest(UrlPathHelper.java:250)
org.springframework.web.util.UrlPathHelper.resolveAndCacheLookupPath(UrlPathHelper.java:199)
org.springframework.web.servlet.handler.AbstractHandlerMapping.initLookupPath(AbstractHandlerMapping.java:567)
org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.getHandlerInternal(AbstractUrlHandlerMapping.java:136)
org.springframework.web.servlet.handler.AbstractHandlerMapping.getHandler(AbstractHandlerMapping.java:491)
org.springframework.web.servlet.DispatcherServlet.getHandler(DispatcherServlet.java:1255)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1037)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:961)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)
javax.servlet.http.HttpServlet.service(HttpServlet.java:626)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
javax.servlet.http.HttpServlet.service(HttpServlet.java:733)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>mvc-1</artifactId>
<version>1.0-SNAPSHOT</version>
<name>mvc-1</name>
<properties>
<maven.compiler.target>1.8</maven.compiler.target>
<maven.compiler.source>1.8</maven.compiler.source>
<junit.version>5.6.2</junit.version>
</properties>
<dependencies>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>

<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.0</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.3.0</version>
<scope>compile</scope>
</dependency>

</dependencies>
<build>
<plugins>
</plugins>
</build>
</project>

代码

一般结构

WEB-INF访问

Answer 1

能否尝试将javax.servlet-api降级到3.1.0，看看这是否解决了您的问题？这似乎解决了我们的问题。

Answer 2

您应该升级运行时环境。在当前运行时版本的Java EE中，javax.servlet.http.HttpServlet请求不包含名为getHttpServlet映射的方法。Java EE 8介绍了getHttpServlet映射方法。或者确保在开发和运行时使用相同的版本。参考文献：JAVA EE github docsApache Tomcat docs