No plugin found for prefix ‘tomcat7‘ in the current project and in the plugin groups
javaweb报错学习
对下面这个图片内容进行tomcat run

报错信息如下:
No plugin found for prefix ‘tomcat7’ in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (D:\developer_tools\apache-maven-3.6.1\mvn_resp), alimaven (http://maven.aliyun.com/nexus/content/groups/public/)] -> [Help 1]

解决方法一:
找到这个settings.xml文件,进行编辑,在pluginGroups标签下加入下面的配置
<pluginGroups>
<pluginGroup>org.apache.tomcat.maven</pluginGroup>
</pluginGroups>
例如:

注意是加在外面,不要加在注释里面了!
成功页面入如下:

解决方法二:
在pom.xml文件中加入
<pluginRepositories>
<pluginRepository>
<id>apache.snapshots</id>
<name>Apache Snapshots</name>
<url>http://repository.apache.org/content/groups/snapshots-group/</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
解决方法三:
加入这个tomcat7配置
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.2</version>
</plugin>
希望能帮到你,祝你好运!
加油!