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一、系統環境

• Ubuntu 14.04 LTS

• CPU：雙核

• 內存：4GB

二、步驟詳解

1. 安裝JAVA開發環境

OpenDaylight requires Java 7 JDK for Lithium . For Beryllium, a Java 8 JDK may be required.

過程：

Ubuntu 14.04的軟件源中暫不支持java 8，因此，首先解決該問題：

• 對于Oracle JDK：

$ sudo add-apt-repository ppa:webupd8team/java $ sudo apt-get update $ sudo apt-get install oracle-java8-installer

• 對于Open JDK：

$ sudo add-apt-repository ppa:openjdk-r/ppa $ sudo apt-get update $ sudo apt-get install openjdk-8-jdk

• 檢測是否安裝成功：

zjl@zjl-uestc:~$ java -version java version "1.8.0_77" Java(TM) SE Runtime Environment (build 1.8.0_77-b03) Java HotSpot(TM) 64-Bit Server VM (build 25.77-b03, mixed mode)zjl@zjl-kb310:~$ java -version openjdk version "1.8.0_91" OpenJDK Runtime Environment (build 1.8.0_91-8u91-b14-0ubuntu4~14.04-b14) OpenJDK 64-Bit Server VM (build 25.91-b14, mixed mode)

2. 安裝maven 3

Ubuntu默認支持的maven版本太低，因此，這里選擇安裝maven 3.3.9版本。

• 清除之前安裝的maven：

$ sudo apt-get purge -y maven

• 轉入下載目錄：

$ cd ~/Downloads

• 下載maven-3.3.9（使用清華大學的源）：

$ sudo wget http://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz

• 解壓安裝maven-3.3.9：

$ tar -zxvf apache-maven-3.3.9-bin.tar.gz $ sudo cp -r apache-maven-3.3.9 /usr/local $ sudo ln -s /usr/local/apache-maven-3.3.9/bin/mvn /usr/bin/mvn

• 配置環境變量：

$ echo "export M2_HOME=/usr/local/apache-maven-3.3.9" >> ~/.profile $ source ~/.profile

• 測試是否安裝成功：

zjl@zjl-kb310:/usr/local$ mvn -v Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-11T00:41:47+08:00) Maven home: /usr/local/apache-maven-3.3.9 Java version: 1.8.0_91, vendor: Oracle Corporation Java home: /usr/lib/jvm/java-8-openjdk-amd64/jre Default locale: en_US, platform encoding: UTF-8 OS name: "linux", version: "4.2.0-27-generic", arch: "amd64", family: "unix"

• 可選：提高Maven可用RAM總量的方法：

一些OpenDaylight項目可能十分大，其耗費資源也會很大，因此，可以增加Maven的可用RAM。

具體方法如下：

$ echo " export MAVEN_OPTS='-Xmx1048m -XX:MaxPermSize=512m' " >> ~/.bashrc $ source ~/.bashrc

3. 安裝Git

略。。。

4. 修改~/.m2/settings.xml

OpenDaylight maintains its own repositories outside of Maven Central, which means maven cannot resolve OpenDaylight artifacts by default. Since OpenDaylight is organized as multiple inter-dependent projects, building a particular project usually means pulling in some artifacts. In order to make this work, your maven installation needs to know the location of OpenDaylight repositories and has to taught to use them.

具體方法：

# Shortcut command for grabbing settings.xml $ cp -n ~/.m2/settings.xml{,.orig} ; \wget -q -O - https://raw.githubusercontent.com/opendaylight/odlparent/master/settings.xml > ~/.m2/settings.xml

~/.m2/settings.xml的內容如下：

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd"><profiles><profile><id>opendaylight-release</id><repositories><repository><id>opendaylight-mirror</id><name>opendaylight-mirror</name><url>https://nexus.opendaylight.org/content/repositories/public/</url><releases><enabled>true</enabled><updatePolicy>never</updatePolicy></releases><snapshots><enabled>false</enabled></snapshots></repository></repositories><pluginRepositories><pluginRepository><id>opendaylight-mirror</id><name>opendaylight-mirror</name><url>https://nexus.opendaylight.org/content/repositories/public/</url><releases><enabled>true</enabled><updatePolicy>never</updatePolicy></releases><snapshots><enabled>false</enabled></snapshots></pluginRepository></pluginRepositories></profile><profile><id>opendaylight-snapshots</id><repositories><repository><id>opendaylight-snapshot</id><name>opendaylight-snapshot</name><url>https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/</url><releases><enabled>false</enabled></releases><snapshots><enabled>true</enabled></snapshots></repository></repositories><pluginRepositories><pluginRepository><id>opendaylight-snapshot</id><name>opendaylight-snapshot</name><url>https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/</url><releases><enabled>false</enabled></releases><snapshots><enabled>true</enabled></snapshots></pluginRepository></pluginRepositories></profile></profiles><activeProfiles><activeProfile>opendaylight-release</activeProfile><activeProfile>opendaylight-snapshots</activeProfile></activeProfiles> </settings>

如果你使用了代理，那么需要配置代理，具體閱讀：Maven proxy configuration。

錯誤處理：

如果遇到了如下錯誤：

[WARNING] Error initializing: org.codehaus.plexus.velocity.DefaultVelocityComponent java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils

添加下面內容到文件~/.m2/repository/org/apache/maven/plugins/maven-archetype-plugin/{version}/maven-archetype-plugin-{version}.pom：

<dependency><groupId>commons-lang</groupId><artifactId>commons-lang</artifactId><version>2.6</version> </dependency>

總結

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