Re: Help needed in Compilation and execution of a giraph code(Giraph noob)

[Lukas Nalezenec]

go to ../giraph-core directory and

run  mvn clean install there.

Lukas

On 29.1.2014 16:00, Deepankar Patra wrote:

Hi Jyoti,

Thanks for the help. I tried your steps, while trying "mvn compile" I get build failure message with these two warnings: [INFO] ------------------------------------------------------------------------

[INFO] Building Apache Giraph Examples 1.1.0-SNAPSHOT

[INFO] ------------------------------------------------------------------------ [WARNING] The POM for org.apache.giraph:giraph-core:jar:1.1.0-SNAPSHOT is missing, no dependency information available [WARNING] The POM for org.apache.giraph:giraph-core:jar:tests:1.1.0-SNAPSHOT is missing, no dependency information available [INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

and this error message:

[ERROR] Failed to execute goal on project giraph-examples: Could not resolve dependencies for project org.apache.giraph:giraph-examples:jar:1.1.0-SNAPSHOT: The following artifacts could not be resolved: org.apache.giraph:giraph-core:jar:1.1.0-SNAPSHOT, org.apache.giraph:giraph-core:jar:tests:1.1.0-SNAPSHOT: Failure to find org.apache.giraph:giraph-core:jar:1.1.0-SNAPSHOT in http://repo1.maven.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced -> [Help 1]

I dont know much of maven, tried google-ing, but it didn't help.

Thanks,
Deepankar

On 29 January 2014 19:08, Jyoti Yadav <rao.jyoti26ya...@gmail.com <mailto:rao.jyoti26ya...@gmail.com>> wrote:

    Hi Deepankar...

    Steps to compile your own program in giraph...

    1. write your java  program to be executed..
    2. Save the program in giraph-examples directory.
    3. in command prompt,type cd $GIRAPH_HOME
    then cd giraph-examples
    then type mvn compile
    Using above command to compile,your program will be compiled..
    To run the program

    hadoop jar 
$GIRAPH_HOME/giraph-examples/target/giraph-examples-1.1.0-SNAPSHOT-for-hadoop-0.20.203.0-jar-with-dependencies.jar
 org.apache.giraph.GiraphRunner  org.apache.giraph.examples.your_program_name  
-vif org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat  
-vip/user/hduser/input/tiny_graph.txt-of 
org.apache.giraph.io.formats.IdWithValueTextOutputFormat  
-op/user/hduser/output/shortestpaths-w1

    Hope this will work for u..
    Thanks..


    On Wed, Jan 29, 2014 at 6:09 PM, Deepankar Patra
    <deepankarb...@gmail.com <mailto:deepankarb...@gmail.com>> wrote:

        Hi all,

        I am new to Apache Giraph. I am struggling to compile and run
        my code using apache giraph. I have got giraph installed
        properly, I have successfully tested shortest path example
        too. Now when I try to write my own code I'm unable to figure
        out how to compile it and run, the documentation in
        giraph.apache.org <http://giraph.apache.org> explains nothing
        about it. Any help will be highly appreciated.

        As per my understanding the main function is in GraphRunner
        class, we don't need to implement the main function ourselves,
        but then I've no idea what to do next.

        Thanks,
        Deepankar Patra