找不到这个类,找不到那个类... Spring Boot 2.0 (and Spring Framework 5 upon which it builds) requires a Servlet 3.1 compatible container. Tomcat 7 only implements Servlet 3.0 so it cannot be used with Spring Boot 2.0.
错误如下: A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext 还有一种错误是: org.springframework.web.Spr
在Maven上部署Struts2时,突然发生了如下错误,但是tomcat还能运行,发送错误的原因时Struts2的版本太高,和tomcat7不兼容. 开始Struts2用了2.5.20版本,后来换成2.5.14就不报错了 org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19 at org.apache.tomcat.util.bcel.classfile.