HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: java.lang.NullPointerException org.apache.jasper.serv
问题描述: tomcat启动后,console正常,console中语句为: 信息: Server startup in 7291 ms 但浏览器访问首页面http://localhost:8080/psportal时报错,console中语句为: 2014-02-21 14:13:12,492-[psportal] ERROR http-8080-1 cn.com.infohold.common.sys.SnsPFilter -org.apache.jasper.JasperExcep
转:tomcat启动后,页面浏览时报错 Unable to compile class for JSP的解决方案 检查tomcat与web工程对应版本,tomcat中对应版本的jar包拷贝到web工程之中,保证开发环境和生产运行环境一致. 删除老版本servlet的jar包:javax.servlet.jar
1.搭建一个简单的Springboot项目,最开始将启动类main函数与controller放到一个类里,可以正常启动和访问,但是将两个分开再启动时访问就会报错:This application has no explicit mapping for /error, so you are seeing this as a fallback. 2.解决方案 在main函数启动类上加注解:@SpringBootApplication(scanBasePackages = "com") 问题