No plugin found for prefix ' jetty ' in the current project and the plugin groups when setting Mvan

An error occurred during MAVEN's debug jetty:

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1. [ERROR] No plugin found for prefix ' jetty ' in the current project and the PLU
2. Gin groups [Org.apache.maven.plugins, Org.codehaus.mojo] available from the repo
3. sitories [Local (C:\Documents and settings\administrator\.m2\repository), Centra
4. L (HTTP://REPO.MAVEN.APACHE.ORG/MAVEN2)]-[Help 1]
5. [ERROR]
6. [ERROR] The full stack trace of the errors, re-run Maven with The-e Swit

Details are as follows:

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2. C:\MYJAVA\WORKSPACE>MVN Jetty:run
4. [INFO] Scanning for projects ...
6. [WARNING] Failed to retrieve plugin descriptor for Org.apache.maven.plugins:mave
8. N-deploy-plugin:2.7:failed to parse plugin descriptor for Org.apache.maven.plug
10. ins:maven-deploy-plugin:2.7 (C:\Documents and Settings\administrator\.m2\reposit
12. Ory\org\apache\maven\plugins\maven-deploy-plugin\2.7\maven-deploy-plugin-2.7.jar
14. ): Invalid LOC header (bad signature)
16. [WARNING] Failed to retrieve plugin descriptor for Org.apache.maven.plugins:mave
18. N-site-plugin:3.0:failed to parse plugin descriptor for Org.apache.maven.plugin
20. s:maven-site-plugin:3.0 (C:\Documents and Settings\administrator\.m2\repository\
22. Org\apache\maven\plugins\maven-site-plugin\3.0\maven-site-plugin-3.0.jar): inval
24. ID LOC Header (bad signature)
26. downloading:http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-
28. Metadata.xml
30. Downloading:http://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadat
32. A.xml
34. Downloaded:http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-m
36. Etadata.xml (one KB at 10.7 kb/sec)
38. Downloaded:http://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata
40. . XML (at 18.2 kb/sec)
42. [INFO]------------------------------------------------------------------------
44. [INFO] BUILD FAILURE
46. [INFO]------------------------------------------------------------------------
48. [INFO] Total time:2.110s
50. [INFO] Finished At:sun Mar 17:31:20 CST 2013
52. [INFO] Final memory:4m/15m
54. [INFO]------------------------------------------------------------------------
56. [ERROR] No plugin found for prefix ' jetty ' in the current project and the PLU
58. Gin groups [Org.apache.maven.plugins, Org.codehaus.mojo] available from the repo
60. sitories [Local (C:\Documents and settings\administrator\.m2\repository), Centra
62. L (HTTP://REPO.MAVEN.APACHE.ORG/MAVEN2)]-[Help 1]
64. [ERROR]
66. [ERROR] The full stack trace of the errors, re-run Maven with The-e Swit

Settings.xml no configuration plug-in should be required

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1. MVN Org.mortbay.jetty:maven-jetty-plugin:run

this to run.
If you need to use Jetty:run, you must configure it under Maven Setting.xml

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1. <pluginGroups>
2. <pluginGroup>org.mortbay.jetty</pluginGroup>
3. </pluginGroups>

Or add a configuration under Plugins node in the pom.xml of the corresponding project

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2. <plugin>
4. <groupId>org.mortbay.jetty</groupId>
6. <artifactId>jetty-maven-plugin</artifactId>
8. <configuration>
10. <webApp>
12. <contextPath>/</contextPath>
14. </webApp>
16. <stopKey>webx</stopKey>
18. <stopPort>9999</stopPort>
20. <connectors>
22. <connector implementation= "Org.eclipse.jetty.server.nio.SelectChannelConnector" >
24. <port>8081</port>
26. <maxIdleTime>60000</maxIdleTime>
28. </connector>
30. </connectors>
32. <requestlog implementation= "Org.eclipse.jetty.server.NCSARequestLog" >
34. <filename>target/access.log</filename>
36. <retainDays>90</retainDays>
38. <append>false</append>
40. <extended>false</extended>
42. <logTimeZone>GMT+8:00</logTimeZone>
44. </requestLog>
46. <systemProperties>
48. <systemProperty>
50. <name>productionMode</name>
52. <value>${productionMode}</value>
54. </systemProperty>
56. </systemProperties>
58. </configuration>
60. </plugin>

No plugin found for prefix ' jetty ' in the current project and the plugin groups when setting Mvan