[ERROR] Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.3:war (default-war) on project core: Error assembling WAR: webxml attribute is required (or pre-existing WEB-INF/web.xml if executing in update mode) -> [Help 1]
maven-war-plugin3.0.0版本以下强依赖web.xml，必须在webapp/WEB-INF目录下创建一个web.xml文件
maven-war-plugin3.0.0版本以上就可有可无了
org.apache.maven.plugins
maven-war-plugin
3.0.0
tuling
WEB-INF/classes/*.properties