4.Cannot detect Web Project version. Please specify version of Web Project through <version> configuration property of war plugin. E.g.: <plugin> <artifactId>maven-war-plugin</artifactId>
<configuration> <version>3.0</version> </configuration> </plugin>
5.Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war) on project marer-test-weixin: Error assembling WAR: webxml attribute is required (or pre-existing
WEB-INF/web.xml if executing in update mode)