编译Maven项目报错、

错误信息:
[ERROR] Plugin org.apache.maven.plugins:maven-jar-plugin:2.3.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-jar-plugin:jar:2.3.1: Could not transfer artifact org.apache.maven.plugins:maven-jar-plugin:pom:2.3.1 from/to central (http://repo1.maven.org/maven2): Connect times out -> [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/PluginResolutionException

什么错误？

3 个解决方案

#1

引用楼主 cxmessage 的回复:

Could not transfer artifact org.apache.maven.plugins:maven-jar-plugin:pom:2.3.1 from/to central (http://repo1.maven.org/maven2): Connect times out -> [Help 1]

出错信息说得很明白了，
到http://repo1.maven.org/maven2的下载不成功。
隔24小时后再试，或者改用镜像
<mirror>
      <id>UK</id>
      <name>UK Central</name>
      <url>http://uk.maven.org/maven2</url>
      <mirrorOf>central</mirrorOf>
</mirror>

#2

引用 1 楼 magong 的回复:

引用楼主 cxmessage 的回复:
Could not transfer artifact org.apache.maven.plugins:maven-jar-plugin:pom:2.3.1 from/to central (http://repo1.maven.org/maven2): Connect times out -> [Help 1]

出错信息说得很明白了，
到ht……

怎么更换镜像？这段代码加在哪个里面？maven没用过。

#3

找到你用户目录下的.m2目录下的setttings.xml文件，在其中把1楼的东西写进去。
参照
http://maven.apache.org/guides/mini/guide-mirror-settings.html

#1