1.eclipse里的错误提示为The import javax.servlet.http.HttpServletRequest cannot be resolved 1.这是因为工程里面web-inf/lib目录下少了包:Package javax.servlet.http引起的: (包的介绍可参见:http://java.sun.com/products/servlet/2.5/docs/servlet-2_5-mr2/index.html) 2.在tomcat(本人的当前版本6.0.18)…

最近在学习springmvc--碰到一个特别蛋疼的错误 javax.servlet.ServletException: Servlet.init() for servlet springMVC threw exception org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) org.apache.catalina.valves.ErrorReportValve.invoke…

记录一个自己在做商品信息显示与传递数据的时候出现的错误, HTTP Status 400 – Bad Request Type Status Report Description The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request messa…

项目problem提示错误 JAX-RS (REST Web Services) 2.0 can not be installed : One or more constraints have not been satisfied JAX-RS (REST Web Services) 2.0 requires Java1.7 or newer. 解决方法: 在pom.xml我从JDK1.6改为1.7的jdk <build>之间加入下列代码 <plugins> <plugin&…

No mapping found for HTTP request with URI [/SpringMVC/user.do] in DispatcherServlet with name 'springDispatcherServlet' 如果排除了主要配置问题,还可能的原因是 1.未加入<mvc:annotation-driven/> <mvc:annotation-driven> <mvc:message-converters> <bean class=&q…

dubbo 常见错误 1. Caused by: java.lang.reflect.MalformedParameterizedTypeException 启动时报错,原因是dubbo 依赖 spring 2.5.6.SEC03,而我项目中有用spring 3.2.4.RELEASE,所以导致冲突. 在maven中把dubbo中的spring依赖去除就可以了. 如果你们项目中也报这个错,很可能也是因为jar包冲突造成的 1 2 3 4 5 6 7 8 9 10 <dependency>   …

场景是在希望用ajax发post请求,传递一个json对象,在controller中直接使用java对象接收时遇到的,具体错误信息如下: { "timestamp": 1500272249207, "status": 415, "error": "Unsupported Media Type", "exception": "org.springframework.web.HttpMediaType…

在Spring MVC应用程序中,404 error code 被合适的配置.web.xml文件中配置如下所示: <!-- spring mvc start --> <servlet> <servlet-name>SpringMVC_FrontControl</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-cla…

Failed to read candidate component class:file错误分析和处理 org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: file [D:\MyWorkspace\spring_mybatis1222\out\test\spring_mybatis1222\cn\itcast\ssm\mapper\Us…

这是jar包冲突引起的 spring-core.jar已经有asm 所以不用再单独导入asm包了…