我已经从官方网站下载了 Apache Spark 1.4.1。如下：
我的机器上没有hadoop安装。Apache 提供构建命令。所以，我尝试使用以下命令开始构建项目
build/mvn -Pyarn -Phadoop-2.4 -Dhadoop.version=2.4.0 -DskipTests clean package
但是构建失败并出现以下错误：
[INFO] Spark Project External Kafka Assembly ............. SKIPPED
[INFO] Spark Project YARN Shuffle Service ................ SKIPPED
[INFO] --------------------------------------------------------------------- ---
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7.840s
[INFO] Finished at: Wed Jul 29 10:43:04 IST 2015
[INFO] Final Memory: 15M/43M
[INFO] ------------------------------------------------------------------------
[ERROR] Plugin org.apache.maven.plugins:maven-enforcer-plugin:1.4 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-enforcer-plugin:jar:1.4: Could not transfer artifact org.apache.maven.plugins:maven-enforcer-plugin:pom:1.4 from/to central (https://repo1.maven.org/maven2): peer not authenticated -> [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
我是新手，Apache Spark请提出建议。