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https://issues.apache.org/jira/browse/GIRAPH-136?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199585#comment-13199585
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Avery Ching commented on GIRAPH-136:
------------------------------------
+1, much better.
First try.
$ ./bin/giraph target/giraph-0.1-SNAPSHOT-jar-with-dependencies.jar
No lib directory, assuming dev environment
No HADOOP_CONF_DIR set, using /conf
./bin/giraph: line 112: /bin/hadoop: No such file or directory
./bin/giraph: line 112: exec: /bin/hadoop: cannot execute: No such file or
directory
Second try after setting HADOOP_CONF_DIR.
$ ./bin/giraph target/giraph-0.1-SNAPSHOT-jar-with-dependencies.jar
No lib directory, assuming dev environment
HADOOP_CONF_DIR=/Users/aching/Avery/Work/source/hadoop-0.20.203.0/conf
usage: org.apache.giraph.GiraphRunner [-aw <arg>] [-c <arg>] [-h] [-if
<arg>] [-ip <arg>] [-of <arg>] [-op <arg>] [-q] [-w <arg>] [-wc
<arg>]
-aw,--aggregatorWriter <arg> AggregatorWriter class
-c,--combiner <arg> VertexCombiner class
-h,--help Help
-if,--inputFormat <arg> Graph inputformat
-ip,--inputPath <arg> Graph input path
-of,--outputFormat <arg> Graph outputformat
-op,--outputPath <arg> Graph output path
-q,--quiet Quiet output
-w,--workers <arg> Number of workers
-wc,--workerContext <arg> WorkerContext class
> Erorr message for bin/giraph could be improved
> ----------------------------------------------
>
> Key: GIRAPH-136
> URL: https://issues.apache.org/jira/browse/GIRAPH-136
> Project: Giraph
> Issue Type: Improvement
> Affects Versions: 0.1.0
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Fix For: 0.2.0
>
> Attachments: GIRAPH-136-b.patch, GIRAPH-136.patch
>
>
> Currently when one just runs bin/giraph without the required jar, the message
> isn't very helpful:
> {noformat}[tardis giraph-0.1]$ bin/giraph
> Can't find user jar to execute.{noformat}
> It would be better to have a more in-depth message explaining Giraph and what
> is expected.
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