解决：Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war

在我把自己的esplise升级之后，打包maven工程的时候就有这个问题，后面实验之后解决了

其实是主要找不到maven-war-plugin，这个相关的包，那么我们可以在pom.xml上加：

<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.1.0</version>
        </plugin>
        <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <artifactId>mave