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From Roman Shaposhnik <>
Subject Re: ClassNotFoundException GiraphYarn Task with Giraph 1.1.0 for Hadoop 2.5.1
Date Tue, 16 Dec 2014 02:17:57 GMT
On Sun, Dec 14, 2014 at 11:21 PM, Philipp Nolte <> wrote:
> Maybe its just a configuration thing.

How did you build Giraph in the first place? Also, what's
your mapred-site.xml and yarn-site.xml in HADOOP_CONF_DIR?

Finally, what version of Hadoop are you using? And from
what vendor?

> I’ve tried running in giraph.SplitMasterWorker mode and its seems like hadoop is missing
the worker nodes:
> Here is my command:
> $ hadoop jar giraphs-and-balloons-computation-0.0.1-for-hadoop-2.5.1-and-giraph-1.1.0-RC1-jar-with-dependencies.jar

How did you build this JAR?

>  -ca mapred.job.tracker=master:5431\

If your Giraph installation has access to a correctly
configured Hadoop client you really don't need this


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