Question

我是Hadoop的新手。我尝试通过linux终端运行wordcount和PI等示例程序。现在想尝试使用eclipse.Can任何人请分享如何为Hadoop开发配置Eclipse？我在Ubuntu 14.04 LTS Vm上使用hadoop 2.6.0。

Answer 1

您只需要在Eclipse项目中引用这些库，您将在其中使用Hadoop。这就是全部。

$HADOOP_HOME/libexec/share/hadoop/common/hadoop-common-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/hdfs/hadoop-hdfs-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/mapreduce/hadoop-mapreduce-client-common-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/mapreduce/hadoop-mapreduce-client-core-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-plugins-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/mapreduce/hadoop-mapreduce-client-shuffle-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/mapreduce/hadoop-mapreduce-client-app-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/yarn/hadoop-yarn-api-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/yarn/hadoop-yarn-client-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/yarn/hadoop-yarn-common-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/yarn/hadoop-yarn-registry-2.6.0.jar
$HADOOP_HOME/libexec/share/hadoop/yarn/hadoop-yarn-server-common-2.6.0.jar

Answer 2

您可以在Eclipse中创建Maven项目，并将以下依赖项添加到pom.xml并保存文件。它将构建工作区并将所有hadoop jar添加到库中。

<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-core</artifactId>
<version>1.2.1</version>
</dependency>

Answer 3

感谢您的回复！。

我在后面的dirs中发现了类似的罐子：
$ HADOOP_HOME /股/的Hadoop /普通/
$ HADOOP_HOME /股/的Hadoop / HDFS
$ HADOOP_HOME /股/的Hadoop / MapReduce的
$ HADOOP_HOME /共享/ hadoop的/纱线

我创建了一个用户库并将其添加到我的eclipse项目的java bulid路径中并成功执行了该程序！此外，我发现此链接很有用：http://www.kishorer.in/2014/10/running-wordcount-mapreduce-example-in.html

用于Hadoop开发的Eclipse配置

3 个答案: