tomcat7:run 启动不了, 但是tomcat:run 这样就可以启动 并且maven的update project 也连接不上

[欧舒]

[INFO] Scanning for projects...
[INFO] Downloading: http://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata.xml
[INFO] Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-metadata.xml
[INFO] Downloaded: http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-metadata.xml (13 KB at 11.2 KB/sec)
[INFO] Downloaded: http://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata.xml (20 KB at 17.4 KB/sec)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.465s
[INFO] Finished at: Tue Jul 11 21:46:26 CST 2017
[INFO] Final Memory: 10M/231M
[INFO] ------------------------------------------------------------------------
[ERROR] 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:\maven\apache-maven-3.1.1\repository), central (http://repo.maven.apache.org/maven2)] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/NoPluginFoundForPrefixException

[李德胜1995]

pom文件怎么陪的？？？

[NANU-NANA]

把这个加上试试

<pluginGroups>
  <pluginGroup>org.apache.tomcat.maven</pluginGroup>
</pluginGroups>