错误整理：No plugin found for prefix 'jetty' in the current project and in the plugin groups

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本文详细介绍了在Maven项目中遇到Jetty插件无法找到的问题，并提供了解决方法，包括如何在setting.xml文件中配置插件组以及在pom.xml文件中为Jetty插件添加具体配置。

在maven进行jetty的调试中出现错误：

[ERROR] No plugin found for prefix 'jetty' in the current project and in the plu
gin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repo
sitories [local (C:\Documents and Settings\Administrator\.m2\repository), centra
l (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 swit

详情如下：

C:\myjava\workspace>mvn jetty:run
[INFO] Scanning for projects...
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:mave
n-deploy-plugin:2.7: Failed to parse plugin descriptor for org.apache.maven.plug
ins:maven-deploy-plugin:2.7 (C:\Documents and Settings\Administrator\.m2\reposit
ory\org\apache\maven\plugins\maven-deploy-plugin\2.7\maven-deploy-plugin-2.7.jar
): invalid LOC header (bad signature)
[WARNING] Failed to retrieve plugin descriptor for org.apache.maven.plugins:mave
n-site-plugin:3.0: Failed to parse plugin descriptor for org.apache.maven.plugin
s:maven-site-plugin:3.0 (C:\Documents and Settings\Administrator\.m2\repository\
org\apache\maven\plugins\maven-site-plugin\3.0\maven-site-plugin-3.0.jar): inval
id LOC header (bad signature)
Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-
metadata.xml
Downloading: http://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadat
a.xml
Downloaded: http://repo.maven.apache.org/maven2/org/apache/maven/plugins/maven-m
etadata.xml (11 KB at 10.7 KB/sec)
Downloaded: http://repo.maven.apache.org/maven2/org/codehaus/mojo/maven-metadata
.xml (22 KB at 18.2 KB/sec)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.110s
[INFO] Finished at: Sun Mar 03 17:31:20 CST 2013
[INFO] Final Memory: 4M/15M
[INFO] ------------------------------------------------------------------------
[ERROR] No plugin found for prefix 'jetty' in the current project and in the plu
gin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repo
sitories [local (C:\Documents and Settings\Administrator\.m2\repository), centra
l (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 swit

settings.xml没有配置插件应此需要

mvn org.mortbay.jetty:maven-jetty-plugin:run

这样来运行。
如果需要使用jetty:run,那么必须在maven的setting.xml下配置

<pluginGroups>
    <pluginGroup>org.mortbay.jetty</pluginGroup>
  </pluginGroups>

或者在对应项目的pom.xml中plugins的节点下添加配置

<plugin>
                <groupId>org.mortbay.jetty</groupId>
                <artifactId>jetty-maven-plugin</artifactId>
                <configuration>
                    <webApp>
                        <contextPath>/</contextPath>
                    </webApp>
                    <stopKey>webx</stopKey>
                    <stopPort>9999</stopPort>
                    <connectors>
                        <connector implementation="org.eclipse.jetty.server.nio.SelectChannelConnector">
                            <port>8081</port>
                            <maxIdleTime>60000</maxIdleTime>
                        </connector>
                    </connectors>
                    <requestLog implementation="org.eclipse.jetty.server.NCSARequestLog">
                        <filename>target/access.log</filename>
                        <retainDays>90</retainDays>
                        <append>false</append>
                        <extended>false</extended>
                        <logTimeZone>GMT+8:00</logTimeZone>
                    </requestLog>
                    <systemProperties>
                        <systemProperty>
                            <name>productionMode</name>
                            <value>${productionMode}</value>
                        </systemProperty>
                    </systemProperties>
                </configuration>
            </plugin>