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                        /后端开发
                        
                            /Java
                        
                        /项目管理利器——maven

执行到install的时候出这个错误，我找不到原因？??

执行到install的时候出这个错误，我找不到原因？?? Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war) on project maven01-model: Error assembling WAR: webxml attribute is required (or pre-existing WEB-INF/web.xml if executing in update mode) -> [Help 1]