maven需要的jar包在中央仓库中找不到
用maven搭配sonar进行代码检查，在pom中配置好了需要的插件和版本号之后，运行，进入.m2/repository中查看，能够看到相应的插件目录已经下载了这个jar包，但是还是会到网上连接maven的中央仓库，而且提示无法找到相关的插件包，上maven的中央仓库中查看，是有这个插件的，相应的版本也有。打印的异常信息和电脑中相关的插件如下所示：
我需要的一个插件是maven-compiler-plugin，groupId=org.apache.maven.plugins，artifactId=maven-compiler-plugin，version=2.3.2
pom文件里面书写如下：
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
dependencies>
<dependency>
<groupId>org.codehaus.plexus</groupId>
<artifactId>plexus-complier-javac</artifactId>
<version>1.8.1</version>
</dependency>
</dependencies>而且我的本地仓库中有这个插件，如下：
:~/.m2/repository/org/apache/maven/plugins$ ls
maven-android-plugin maven-metadata-central.xml.sha1
maven-archetype-plugin maven-mojo-plugin
maven-assembly-plugin maven-plugins
maven-checkstyle-plugin maven-pmd-plugin
maven-clean-plugin maven-project-info-reports-plugin
maven-compiler-plugin maven-resources-plugin
maven-install-plugin maven-site-plugin
maven-jar-plugin maven-surefire-plugin
maven-metadata-central.xml
:~/.m2/repository/org/apache/maven/plugins$ cd maven-compiler-plugin/
:~/.m2/repository/org/apache/maven/plugins/maven-compiler-plugin$ ls
2.0.22.3.12.3.2maven-metadata-local.xml
:~/.m2/repository/org/apache/maven/plugins/maven-compiler-plugin$ cd 2.3.2
:~/.m2/repository/org/apache/maven/plugins/maven-compiler-plugin/2.3.2$ ls
maven-compiler-plugin-2.3.2.jarmaven-compiler-plugin-2.3.2.jar.sha1maven-compiler-plugin-2.3.2.pommaven-compiler-plugin-2.3.2.pom.sha1另一个插件plexus-compiler-javac也有，版本号是1.8.1，
groupId=org.codehaus.plexusartifacId=plexus-compiler-javac
plexus plexus-compiler-api plexus-complier-javac
plexus-container-default plexus-interactivity plexus-resources plexus-archiver plexus-compiler-javac plexus-component-annotationsplexus-containers
plexus-interactivity-api plexus-utils plexus-classworlds plexus-compiler-managerplexus-component-api plexus-digest
plexus-interpolation plexus-velocity plexus-compiler plexus-compilers
plexus-components plexus-i18n plexus-io
:~/.m2/repository/org/codehaus/plexus$ cd plexus-compiler-javac
:~/.m2/repository/org/codehaus/plexus/plexus-compiler-javac$ ls
1.5.31.81.8.1maven-metadata-local.xml
:~/.m2/repository/org/codehaus/plexus/plexus-compiler-javac$ cd 1.8.1
:~/.m2/repository/org/codehaus/plexus/plexus-compiler-javac/1.8.1$ ls
plexus-compiler-javac-1.8.1.jarplexus-compiler-javac-1.8.1.jar.sha1plexus-compiler-javac-1.8.1.pomplexus-compiler-javac-1.8.1.pom.sha1运行mvn clean install sonar:sonar的时候就会出错，部分错误信息如下：
skip non existing resourceDirectory /home/kes/froyo/src/main/resources
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-complier-javac/1.8.1/plexus-complier-javac-1.8.1.pom
Unable to find resource 'org.codehaus.plexus:plexus-complier-javac:pom:1.8.1' in repository central (http://repo1.maven.org/maven2)
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-complier-javac/1.8.1/plexus-complier-javac-1.8.1.pom
Unable to find resource 'org.codehaus.plexus:plexus-complier-javac:pom:1.8.1' in repository central (http://repo1.maven.org/maven2)
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-complier-javac/1.8.1/plexus-complier-javac-1.8.1.jar
Unable to find resource 'org.codehaus.plexus:plexus-complier-javac:jar:1.8.1' in repository central (http://repo1.maven.org/maven2)
Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-complier-javac/1.8.1/plexus-complier-javac-1.8.1.jar
Unable to find resource 'org.codehaus.plexus:plexus-complier-javac:jar:1.8.1' in repository central (http://repo1.maven.org/maven2)
------------------------------------------------------------------------
BUILD ERROR
------------------------------------------------------------------------
Failed to resolve artifact.
Missing:
----------
1) org.codehaus.plexus:plexus-complier-javac:jar:1.8.1
Try downloading the file manually from the project website.
Then, install it using the command:
mvn install:install-file -DgroupId=org.codehaus.plexus -DartifactId=plexus-complier-javac -Dversion=1.8.1 -Dpackaging=jar -Dfile=/path/to/file
Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=org.codehaus.plexus -DartifactId=plexus-complier-javac -Dversion=1.8.1 -Dpackaging=jar -Dfile=/path/to/file -Durl= -DrepositoryId=
Path to dependency:
1) org.apache.maven.plugins:maven-compiler-plugin:maven-plugin:2.3.2
2) org.codehaus.plexus:plexus-complier-javac:jar:1.8.1
----------
1 required artifact is missing.
for artifact:
org.apache.maven.plugins:maven-compiler-plugin:maven-plugin:2.3.2
from the specified remote repositories:
central (http://repo1.maven.org/maven2),
apache.snapshots (http://repository.apache.org/snapshots)错误信息大体是说不能从中央仓库中找到那两个插件，但是我的repository上是有的，而且maven的中央仓库网站上也有这个，请众兄弟看看是哪里出了问题。
擦，我也遇到类似的问题了。先留个标记。
等找解决办法了，再来回帖。 Setting.xml 里配置仓库镜像地址配这个<url>https://repo1.maven.org/maven2</url>
只要保证网络能访问就没问题。
最好清空本地仓库，让所有包都重新下载。
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