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I have downloaded Hadoop VM from Yahoo site and started Hadoop VM through VMware player. I saw no issues. As been mentioned in Yahoo, I made use of Eclipse Europa (v 3.3.1) and I downloaded a jar file (hadoop-0.18.3-eclipse-plugin) to make MapReduce plugin on in eclipse. I started linux VM with hadoop and in eclipse created new DFS location (entered IP of my VM, Map/Reduce master port 9001, DFS port 9000. But in the node I got the error "Error:null."

screenshot for reference

What I'm doing wrong? Also while configuring Hadoop variables in eclipse, i am not seeing in advanced tab while setting up hadoop location.

I'm using Eclipse Europe 3.3.1 and Hadoop 0.18.0.

Did i went wrong in choosing the version of the plugin?

Thanks for helping.

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3 回答 3

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从 Cygwin 中生成 Eclipse 以解决此问题。

转到 Cygwin 中的 eclipse 安装文件夹并调用 eclipse.exe

于 2013-11-28T10:38:55.263 回答
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我所做的和为我工作的是：按照这个线程中的说明：编辑这个文件：\workspace.metadata.plugins\org.apache.hadoop.eclipse\locations 并添加一个属性：“hadoop.job.ugi”和值“hadoop 用户，ABC”

还要将属性“mapred.system.dir”修改为“/hadoop/mapred/system”。正如您在此网页中看到的那样。我按照所有此页面进行其余配置。

于 2014-11-04T00:03:36.397 回答
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以上答案对我有帮助；他说的是在安装 cygwin 打开 cygwin 终端并转到“cygdrive”（使用 cd .. 和 pwd）后，转到您的驱动器并查找 eclipse.exe 然后“运行 eclipse”

现在它将显示文件夹而不是“错误：空”

于 2013-12-23T05:06:20.707 回答