I cannot install hadoop-gremlin by gremlin shell

[naught...@gmail.com]

It will cost a lot of time then get errors.

gremlin> :install org.apache.tinkerpop hadoop-gremlin 3.3.4
==>Error grabbing Grapes -- [download failed: com.google.inject#guice;3.0!guice.jar, download failed: com.sun.jersey#jersey-server;1.9!jersey-server.jar(bundle), download failed: com.sun.jersey#jersey-json;1.9!jersey-json.jar(bundle), download failed: org.codehaus.jettison#jettison;1.1!jettison.jar(bundle), download failed: com.sun.xml.bind#jaxb-impl;2.2.3-1!jaxb-impl.jar, download failed: com.sun.jersey.contribs#jersey-guice;1.9!jersey-guice.jar, download failed: org.apache.hadoop#hadoop-yarn-server-nodemanager;2.7.2!hadoop-yarn-server-nodemanager.jar]

I followed this Q https://groups.google.com/forum/#!topic/gremlin-users/hCW4skvJWJ8.

I set the grapeConfig.xml file but nothing changed.

Please help me. 

[Stephen Mallette]

that's a really old post - could you verify your graph config followed these instructions?

http://tinkerpop.apache.org/docs/current/reference/#gremlin-applications

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[naught...@gmail.com]

thx! It's very useful to me. Now I have some new problems.

I have many data in .csv format. How to import it in hdfs.

I have read this section: http://tinkerpop.apache.org/docs/current/reference/#gryo-io-format

but I'm still confused of property file and how to use the method to import the data.

Then I found this: https://groups.google.com/forum/#!topic/aureliusgraphs/fLPl7OlcXt0

That's more clear in each step. Is that correct now? (perhaps out of date?)

I use the example data file "tinkerpop-modern.gryo" to try HadoopGraph with and without Spark separately.

In my view, if use spark, all graph will be loaded in memory, and in hdfs without spark, there exists i/o in disk. Is it right?

And what's usage of spark cache?  

[itzmesesh]

hey,

I followed the receipe given in the tinkerpop documentation for installing the hadoop spark yarn with 3.4.6.

While the grapeConfig.xml is updated i still get the following error while try to install the spark-gremlin using the command
:install org.apache.tinkerpop spark-gremlin 3.4.6

==>Error grabbing Grapes -- [download failed: org.apache.hadoop#hadoop-yarn-server-nodemanager;2.7.2!hadoop-yarn-server-nodemanager.jar]

Any reference to fix this issue?

Thanks.

[Stephen Mallette]

You might consider deleting your .m2 and/or .grapes cache - that sometimes fixes it for some weird reason that i never quite understand. i did notice that I had no end of trouble getting our docker documentation build to work right due to grape errors and i ended up fixing it by changing the "returnFirst=true" attribute to "dual=true" on the <chain> element:

https://github.com/apache/tinkerpop/blob/b73d2f3c0187dbdabc683260ace5cee17a4342aa/docker/resources/groovy/grapeConfig.xml#L4 

that seemed to fix the problems as it splits the artifact lookup over multiple resolvers:

https://ant.apache.org/ivy/history/2.5.0/resolver/chain.html  

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[André Schmid]

Thank you very much, the dual="true" solution worked like a charm!

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