Maven系列(三):搭建Maven私服Nexus

有個Maven私服能夠節省網絡帶寬,也方便管理咱們的jar包和發佈構建到遠程倉庫,本文就介紹瞭如何在linux下一步步使用nexus搭建maven私服。java

下載安裝

官網最新Nexus下載地址: https://www.sonatype.com/download-oss-sonatypelinux

解壓後會在同級目錄中,出現兩個文件夾: nexus-oss-webapp-1.8.0sonatype-work ,前者包含了nexus的運行環境和應用程序,後者包含了你本身的配置和數據。web

$ mkdir nexus
$ tar xzvf /home/jili/nexus-2.7.0-05-bundle.tar.gz
$ ls
nexus-2.7.0-05  sonatype-work

啓動nexus

$ cd bin/
$ ls
jsw  nexus  nexus.bat
$ ./nexus
Usage: ./nexus { console | start | stop | restart | status | dump }
$ ./nexus start
Starting Nexus OSS...
Started Nexus OSS.

查看控制檯:apache

$ ./nexus console

顯示未啓動成功,報錯以下:bootstrap

$ ./nexus console
Running Nexus OSS...
wrapper  | --> Wrapper Started as Console
wrapper  | Launching a JVM...
wrapper  | JVM exited while loading the application.
jvm 1    | Exception in thread "main" java.lang.UnsupportedClassVersionError: org/sonatype/nexus/bootstrap/jsw/JswLauncher : Unsupported major.minor version 51.0
jvm 1    |      at java.lang.ClassLoader.defineClass1(Native Method)
jvm 1    |      at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
jvm 1    |      at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
jvm 1    |      at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
jvm 1    |      at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
jvm 1    |      at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
jvm 1    |      at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
jvm 1    |      at java.security.AccessController.doPrivileged(Native Method)
jvm 1    |      at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
jvm 1    |      at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
jvm 1    |      at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
jvm 1    |      at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
jvm 1    | Could not find the main class: org.sonatype.nexus.bootstrap.jsw.JswLauncher.  Program will exit.
wrapper  | Reloading Wrapper configuration...
wrapper  | Launching a JVM...
wrapper  | JVM exited while loading the application.
.
.
.
jvm 5    | Exception in thread "main" java.lang.UnsupportedClassVersionError: org/sonatype/nexus/bootstrap/jsw/JswLauncher : Unsupported major.minor version 51.0
jvm 5    |      at java.lang.ClassLoader.defineClass1(Native Method)
jvm 5    |      at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
jvm 5    |      at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
jvm 5    |      at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
jvm 5    |      at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
jvm 5    |      at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
jvm 5    |      at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
jvm 5    |      at java.security.AccessController.doPrivileged(Native Method)
jvm 5    |      at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
jvm 5    |      at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
jvm 5    |      at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
jvm 5    |      at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
jvm 5    | Could not find the main class: org.sonatype.nexus.bootstrap.jsw.JswLauncher.  Program will exit.
wrapper  | There were 5 failed launches in a row, each lasting less than 300 seconds.  Giving up.
wrapper  |   There may be a configuration problem: please check the logs.
wrapper  | <-- Wrapper Stopped

緣由:查找緣由是JDK版本太低形成的,升級到最新的JDK7或者使用nexus-2.4-bundle.tar.gz版本JDK6會支持.windows

Nexus全部版本下載地址: http://www.sonatype.org/nexus/archived網絡

下載Nexus2.4重來app

$ ls
nexus-2.4.0-09  sonatype-work
$ cd nexus-2.4.0-09/bin/
$ ls
jsw  nexus  nexus.bat
$ ./nexus
Usage: ./nexus { console | start | stop | restart | status | dump }
$ ./nexus start
Starting Nexus OSS...
Started Nexus OSS.
$ ./nexus console
Running Nexus OSS...
Nexus OSS is already running.

控制檯顯示啓動成功。less

查看nexus日誌:eclipse

$ cd nexus-2.4.0-09/logs
$ ls
wrapper.log
$ tail -f wrapper.log

配置nexus

訪問網址: http://yourhostname:8081/nexus

右上角以admin登錄,默認用戶名/密碼:admin/admin123。

3rd party、Snapshots、Releases這三個,分別用來保存第三方jar、項目組內部的快照、項目組內部的發佈版.

手動添加第三方jar

將第三方的jar上傳到nexus上面:

點擊Upload Artifact(s)按鈕提交後即上傳。

查看上傳的jar包以下:

在項目中使用私服的jar包配置pom.xml以下:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.vclk.mkt.crawler</groupId>
  <artifactId>MarketingCrawler</artifactId>
  <packaging>jar</packaging>
  <version>0.3</version>
  <name>MarketingCrawler</name>
  <url>http://maven.apache.org</url>

  <!-- 倉庫地址 -->
  <repositories>
      <repository>
          <id>nexus</id>
          <name>Team Nexus Repository</name>
          <url>http://yourhostname:8081/nexus/content/groups/public</url>
      </repository>
  </repositories>
  
  <!-- 插件地址 -->
  <pluginRepositories>
      <pluginRepository>
          <id>nexus</id>
          <name>Team Nexus Repository</name>
          <url>http://yourhostname:8081/nexus/content/groups/public</url>
      </pluginRepository>
  </pluginRepositories>

  <!-- jar -->
  <dependencies>
      <dependency>
          <groupId>de.innosystec</groupId>
          <artifactId>java-unrar</artifactId>
          <version>0.5</version>
      </dependency>
  </dependencies>
</project>

Maven在項目根目錄下執行mvn eclipse:eclipse命令時,所依賴的jar包都會從私服中下載到本地並關聯上項目,私服中沒有就會從網絡上下載到私服,本地再從私服下載。

自動發佈構件到遠程倉庫

在工程的pom.xml中添加:

<distributionManagement>
  <repository>
      <id>nexus-releases</id>
      <url>http://yourhostname:8081/nexus/content/repositories/releases/</url>
  </repository>
  <snapshotRepository>
      <id>nexus-snapshots</id>
      <url>http://yourhostname:8081/nexus/content/repositories/snapshots/</url>
  </snapshotRepository>
</distributionManagement>

進入maven的安裝目錄apache-maven-3.1.1\conf目錄下,向settings.xml配置文件中的 語句塊中添加以下所示:

<servers>
  <server>
      <id>nexus-releases</id>
      <username>admin</username>
      <password>admin123</password>
  </server>
  <server>
      <id>nexus-snapshots</id>
      <username>admin</username>
      <password>admin123</password>
  </server>
</servers>

進入windows命令行,在工程所在目錄下執行

mvn deploy

所部署的包就自動上傳到了nexus安裝目錄下的 /maven/nexus/sonatype-work/nexus/storage/releases/com/vclk/mkt/crawler/MarketingCrawler/0.3 目錄

nexus倉庫中各目錄介紹

項目中的各類jar包和項目快照等都放在 /nexus/sonatype-work/nexus/storage/ 目錄下,在這個目錄下包括如下各類目錄和存放相應文件。

/nexus/sonatype-work/nexus/storage/central - 用於放置maven從中央倉庫中下載下來的項目pom.xml中配置到的相關jar包;

/nexus/sonatype-work/nexus/storage/thirdparty - 用於放置本身手動上傳的第三方jar包;

/nexus/sonatype-work/nexus/storage/releases - 用於放置項目deploy後的發佈版。

 

轉載於:http://www.tuicool.com/articles/E7ZBv2

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