mac&&nexus私服搭建
软件环境：OSX 10.11 & &JDK1.8.0
& &nexus-2.11.4
& &apache-maven-3.3.9
& 下载地址：http://pan.baidu.com/s/1dEtih1Z
（密码：emf2）
首先安装JDK1.8.0，双击安装文件，按照提示操作就OK了，安装程序会自动配置JDK环境变量的，大可不必自己再配。
解压到指定目录，最好是"文稿"目录下。
打开“实用工具”-&“终端”，输入“vi ~/.bash_profile”命令，创建当前用户的环境变量文件。（PS：OSX
10.11 默认情况下没有此文件）
#NEXUS解压目录export NEXUS_HOME=$HOME/Documents/nexus-2/nexus-2.11.4-01#MAVEN解压目录export MAVEN_HOME=$HOME/Documents/apache-maven-3.3.9export PATH=$PATH:$NEXUS_HOME/bin:$MAVEN_HOME/bin
复制如上代码到".bash_profile"文件中，按esc键后,输入“:wq”保存并退出vi编辑器，输入“source
~/.bash_profile”让环境变量立即生效。（PS：$HOME
为系统当前登录用户的主目录环境变量,路径一般为：/Users/XXXX）
配置完成后，在终端中输入“nexus
console”,如果环境变量错误，终端会提示“-bash：nexus：command not
found”，这时要仔细检查.bash_profile环境变量中得路径配置是否正确，是否忘记执行“source
~/.bash_profile”；正常情况下会出现jetty启动的一些日志信息。
<img ALT="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src ="http://www.th7.cn/d/file/p//384c2ad86fcaddcd73c3d950b8b231e6.jpg"
TITLE="mac&&nexus私服搭建" />
看到图上信息，则表示Nexus
私服服务器启动成功，打开Safari，输入“http://localhost:8081/nexus”，则会出现Nexus私服界面，点击右上角“Log
In” 输入用户名“admin”和密码“admin123”，进入管理界面，点击左边“Repositories”可以查看Nexus
默认的仓库。
<img ALT="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src ="http://www.th7.cn/d/file/p//be004f106b90b.jpg"
TITLE="mac&&nexus私服搭建" />
增加登陆自自动Nexus私服功能。在终端输入“vi
start_nexus”，粘贴如下代码，输入如下，按esc键后,输入“:wq”保存并退出vi编辑器，再输入“chmod
777 start_nexus”，让start_nexus文件变成可执行文件。
#! /bin/sh$NEXUS_HOME/bin/nexus console &exit
然后打开“系统偏好设置”-&“用户与群组”，选择当前登陆用户，再在右边“登陆项”中点击“+”，找到刚创建的start_nexus文件，并在隐藏列中勾选，这样以后osx每次启动的时候会自动把Nexus私服服务启动好。直接访问就OK了。
<img ALT="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src ="http://www.th7.cn/d/file/p//d6b97fb62dc076cbdece61.jpg"
TITLE="mac&&nexus私服搭建" />
回到终端，配置Maven 访问仓库的路径，输入“vi
$MAVEN_HOME/conf/settings.xml”打开Maven的配置文件,输入“/”找到标签，输入如下，按esc键后,输入“:wq”保存并退出vi编辑器
Human Readable Name for this Mirror.
http://localhost:8081/nexus/content/groups/public/
<img ALT="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src ="http://www.th7.cn/d/file/p//7bd79e7ddd.jpg"
TITLE="mac&&nexus私服搭建" />
在终端输入“mvn help:system”，将会看到许多“Downloading:
http://localhost:8081/nexus/content/groups/public/....”的下载输出，表示maven正在从我们的本地仓库中下载所需要的jar包，jar下载完成后，man会执行“help:system”，输出当期那系统信息，至此本地私服算是搭建成功。
<img ALT="" src="http://simg.sinajs.cn/blog7style/images/common/sg_trans.gif" real_src ="http://www.th7.cn/d/file/p//c0fb1a58e7f2a.jpg" NAME="image_operate_82510"
TITLE="mac&&nexus私服搭建" />
总结：虽然搭建Nexus私服不是Maven必须的工作，在settings.xml中没配置的mirror的情况下Maven会从“https://repo.maven.apache.org”仓库中下载，但是考虑到跨省访问的问题，下载速度自然蛋疼，Nexus私服的好处，在第一次访问的时候，会从“https://repo.maven.apache.org”仓库中下载缓存在本地，项目其他人再次访问的时候，直接读取Nexus缓存，达到飞一般的感觉，而且Nexus配置其他第三方库和第三方jar包也很方便，算是我的地盘我做主。
---------------------------------
配置完发现创建不了maven-webapp的项目，以前是可以的，发现时原来的镜像出问题了，下载不了依赖了，于是改用阿里巴巴的镜像，配置如下：
换个仓库地址,用阿里云的
nexus-aliyun
& & & Nexus
http://maven.aliyun.com/nexus/content/groups/public/
然后命令行 执行 mvn help:system 会下载一堆东西
--------------------------------------------------
[INFO] BUILD SUCCESS
--------------------------------------------------
[INFO] Total time: 36.816 s
[INFO] Finished at: T22:06:07+08:00
[INFO] Final Memory: 11M/146M
--------------------------------------------------
最后就可以去创建maven-webapp的项目了，非一般的感觉。。。
转自：http://www.th7.cn/system/mac/858.shtml
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Powered by:maven build 的时候，卡死在Downloading metadata的解决方法
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maven build 的时候，卡死在Downloading metadata的解决方法
比如，到了下面这一步（下载metadata的时候），就卡死了：转自Clement-Xu的csdn博客[plain]&&这种情况一般是maven仓库中需要下载的文件被锁了。解决方法：可以根据Downloading后面的路径，找到仓库中相应目录下的.lock文件，删除之。比如，上例中：先停止maven buildcd &user_home&/.m2/repository/cd&com/qiniu/sdk/ls-rw-r--r-- 1 root root & &0 9月 &11 15:17 maven-metadata-central.xml.part-rw-r--r-- 1 root root & &0 9月 &11 15:17 maven-metadata-central.xml.part.lock5. rm&maven-metadata-central.xml.part.lock6. 再重试maven build或者直接在仓库中搜索 .lock 文件：先停止maven buildcd &user_home&/.m2/repository/find ./ -name&*.lock删除找到的 .lock 文件再重试maven build
喜欢该文的人也喜欢11:11 提问
有关maven私服的问题,编译的时候卡在了下载maven-metadata.xml
在maven编译的时候卡在了 http://101.201.XX.XX:8081/nexus/content/groups/public/avalon-framework/avalon-framework-api/maven-metadata.xml ，卡死在Download，但是也可以跑通但是需要很长时间，半小时或者一小时。有时候也会卡在https://repo.maven.apache.org/maven2/avalon-framework/avalon-framework-api/maven-metadata.xml这个下载，但是这个是可以我url访问到的，上面那个搭建的私服url是打不开的，一直是感觉堵死的状态，是我私服哪里没对上吗，还是私服需要修改一下
按赞数排序
这个是私服的可以看到那个/avalon-framework-api/一直打不开。
maven能够下载出来，则表示路径没有错，之所以下载慢，是因为你下载的服务器的原因，可能是因为大多数jar包都是国外的，比较难下载，这里推荐一个方法
还有就是 基本每天早上来的时候编译都需要donload那个jar包，为什么呢，我跑着两个项目，但是也修改pom文件
那你的nexus 应该是配置好了并且把包丢上去了，那么你看你创建用户没有，需要将用户的帐号密码的信息丢到maven的servers下面id username password
然后需要在pom.xml中配置repositories pluginRepositories仓库的信息 就行了
私服下载jar文件慢而已
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