Could not calculate build plan: Plugin org.apache.maven.plugins:maven-war-plugin:2.1.1 or one of

无法计算构建计划:Plugin org.apache.maven . plugins:maven-war-Plugin:2 . 1 . 1或其中一个无法计算构建计划:Plugin org . Apache . maven。插件:maven-war-plugin: 2.1.1或者其中一个简介:1。导入项目时间时出现以下错误。无法计算构建计划:插件org . Apache . maven . plugins:maven-war-plugin:2.1