用myeclipse10建立maven工程时pom.xml报错 求解~~~

Question

用MyEclipse10建立maven web工程的时候，POM.XML总是报错，错误信息如下。还请大神们帮帮忙啊~~ 小弟感激涕零！！

Multiple annotations found at this line:

- No plugin found for prefix 'war' in the current project and in the plugin groups [] available from the 

repositories [local (C:UsersGuan Yang.m2repository), central (
http://repo1.maven.org/maven2)
]

- Failure to transfer org.apache.maven.plugins:maven-resources-plugin:pom:2.4.3 from http://

repo1.maven.org/maven2 was cached in the local repository, resolution will not be reattempted until the update 

interval of central has elapsed or updates are forced. Original error: Could not transfer artifact 

org.apache.maven.plugins:maven-resources-plugin:pom:2.4.3 from/to central (
http://repo1.maven.org/maven2):
 null to 

http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.4.3/maven-resources-

plugin-2.4.3.pom

Answer 1

我也遇到了同样的问题，纠结了三天，今天早上把仓库里的东西都删掉了，再进入myeclipse下，选中项目，执行maven4Myeclipse-update.让它重新下载的仓库，就好了。

我认真看了下我的报错的英文，就是仓库里的有这个东西占着，不能执行更新，但又不匹配，就这。

Answer 2

在项目目录下运行

mvn clean package -U