MAVEN求解No plugin found for prefix 'tomcat'

Question

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[WARNING] Some problems were encountered while building the effective model for org.jeecgframework:jeecg:war:3.5.2
[WARNING] 'dependencies.dependency.systemPath' for com.baidu.ueditor:ueditor:jar should not point at files within the project directory, ${basedir}/src/main/webapp/WEB-INF/lib/ueditor-1.1.1.jar will be unresolvable by dependent projects @ line 837, column 16
[WARNING] 'dependencies.dependency.systemPath' for com.baidu.ueditor:json:jar should not point at files within the project directory, ${basedir}/src/main/webapp/WEB-INF/lib/json.jar will be unresolvable by dependent projects @ line 844, column 16
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
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[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[WARNING] The POM for org.apache.tomcat.maven:tomcat6-maven-plugin:jar:2.2 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.apache.tomcat.maven:tomcat6-maven-plugin:2.2: Plugin org.apache.tomcat.maven:tomcat6-maven-plugin:2.2 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.tomcat.maven:tomcat6-maven-plugin:jar:2.2
[WARNING] The POM for org.apache.maven.plugins:maven-deploy-plugin:jar:2.7 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-deploy-plugin:2.7: Plugin org.apache.maven.plugins:maven-deploy-plugin:2.7 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-deploy-plugin:jar:2.7
[WARNING] The POM for org.apache.maven.plugins:maven-site-plugin:jar:3.0 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-site-plugin:3.0: Plugin org.apache.maven.plugins:maven-site-plugin:3.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-site-plugin:jar:3.0
[WARNING] The POM for org.apache.maven.plugins:maven-antrun-plugin:jar:1.3 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-antrun-plugin:1.3: Plugin org.apache.maven.plugins:maven-antrun-plugin:1.3 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-antrun-plugin:jar:1.3
[WARNING] The POM for org.apache.maven.plugins:maven-assembly-plugin:jar:2.2-beta-5 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-assembly-plugin:2.2-beta-5: Plugin org.apache.maven.plugins:maven-assembly-plugin:2.2-beta-5 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-assembly-plugin:jar:2.2-beta-5
[WARNING] The POM for org.apache.maven.plugins:maven-dependency-plugin:jar:2.1 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-dependency-plugin:2.1: Plugin org.apache.maven.plugins:maven-dependency-plugin:2.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-dependency-plugin:jar:2.1
[WARNING] The POM for org.apache.maven.plugins:maven-release-plugin:jar:2.0 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:maven-release-plugin:2.0: Plugin org.apache.maven.plugins:maven-release-plugin:2.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-release-plugin:jar:2.0
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.231s
[INFO] Finished at: Wed Jul 01 11:04:21 CST 2015
[INFO] Final Memory: 2M/15M
[INFO] ------------------------------------------------------------------------
[ERROR] No plugin found for prefix 'tomcat' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (E:\repo), apache.snapshots (http://repository.apache.org/content/groups/snapshots-group/), 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

Answer 1

pom文件里添加如下配置

<id>people.apache.snapshots</id> 

<url> 

    http://repository.apache.org/content/groups/snapshots-group/ 

</url> 

<releases> 

    <enabled>false</enabled> 

</releases> 

<snapshots> 

    <enabled>true</enabled> 

</snapshots> 

<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>