No mojo definitions
pom.xml
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-plugin-plugin</artifactId>
<version>3.2</version>
</plugin>
</plugins>
</build>
参考链接:https://stackoverflow.com/questions/18999401/basic-maven-plugin-project-not-working-mojo-plugin-descriptors-not-generating