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From Eli Reisman <apache.mail...@gmail.com>
Subject Re: Newbie problem - I can't run the Shortest Paths Example
Date Thu, 27 Sep 2012 22:41:30 GMT
In the dump you put into this email, it starts with "hadoop jar" twice. Is
that a typo? if not, then we found the problem

On Thu, Sep 27, 2012 at 1:12 PM, rodrigo zerbini
<rodrigo.zerbini@gmail.com>wrote:

> You're right, Eli. However, it didn't work:
>
> hadoop jar hadoop jar
> giraph-0.2-SNAPSHOT-for-hadoop-0.20.203.0-jar-with-dependencies.jar
> org.apache.giraph.examples.SimpleShortestPathsVertex
> shortestPathsInputGraph shortestPathsOutputGraph 0 3
>
> Exception in thread "main" java.io.IOException: Error opening job jar:
> hadoop
>
>     at org.apache.hadoop.util.RunJar.main(RunJar.java:90)
> Caused by: java.util.zip.ZipException: error in opening zip file
>     at java.util.zip.ZipFile.open(Native Method)
>     at java.util.zip.ZipFile.<init>(ZipFile.java:127)
>     at java.util.jar.JarFile.<init>(JarFile.java:135)
>     at java.util.jar.JarFile.<init>(JarFile.java:72)
>     at org.apache.hadoop.util.RunJar.main(RunJar.java:88)
>
> Do you know how could I fix this error in opening zip file?
>
>
>
> 2012/9/26 Eli Reisman <apache.mailbox@gmail.com>
>
>> You need to include the Giraph jar in your command line rather than the
>> Hadoop jar?
>>
>>
>>
>> On Wed, Sep 26, 2012 at 12:01 PM, rodrigo zerbini <
>> rodrigo.zerbini@gmail.com> wrote:
>>
>>> Hello everybody.
>>>
>>> My name is Rodrigo and I'm just starting a scientific initiation on
>>> graph processing systems. I'm trying to run the Shortest Paths Example [
>>> https://cwiki.apache.org/confluence/display/GIRAPH/Shortest+Paths+Example]
>>> taking the following steps in terminal:
>>>
>>> hadoop namenode -format
>>> start-all.sh
>>> hadoop-0.20.203.0-jar-with-dependencies.jar
>>> org.apache.giraph.examples.SimpleShortestPathsVertex
>>> shortestPathsInputGraph shortestPathsOutputGraph 0 3
>>>
>>> So I got this:
>>>
>>> Exception in thread "main" java.io.IOException: Error opening job jar:
>>> giraph-0.2-SNAPSHOT-for-hadoop-0.20.203.0-jar-with-dependencies.jar
>>>  at org.apache.hadoop.util.RunJar.main(RunJar.java:90)
>>> Caused by: java.util.zip.ZipException: error in opening zip file
>>> at java.util.zip.ZipFile.open(Native Method)
>>> at java.util.zip.ZipFile.<init>(ZipFile.java:127)
>>>  at java.util.jar.JarFile.<init>(JarFile.java:135)
>>> at java.util.jar.JarFile.<init>(JarFile.java:72)
>>>  at org.apache.hadoop.util.RunJar.main(RunJar.java:88)
>>>
>>> Alternatively, I tried to run making this:
>>>
>>> hadoop-0.20.203.0-jar-with-dependencies.jar
>>> org.apache.giraph.GiraphRunner
>>> org.apache.giraph.examples.SimpleShortestPathsVertex -if
>>> org.apache.giraph.lib.JsonBase64VertexInputFormat -ip
>>> shortestPathsInputGraph -of
>>> org.apache.giraph.lib.JsonBase64VertexOutputFormat -op
>>> shortestPathsOutputGraph -w 3
>>>
>>> But I got the same error above.
>>>
>>> Am I doing something wrong? I'm using hadoop version 0.2 and there was a
>>> passage in the example saying that, in this case, the class
>>> SimpleShortestPathsVertex does not have a main() method, so I'd have to run
>>> it via the ToolRunner, but what is this tool? How should I proceed with
>>> this?
>>>
>>> I'm really stuck here :(
>>> Thanks in advance.
>>>
>>> Rodrigo Zerbini
>>> Computer Science student in University of São Paulo
>>>
>>>
>>
>

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