Re: [Bigdata-developers] Blazegraph Docker problem: "ERROR: Could not contact server"

[Brad B. <be...@sy...>]

Mikel,

You'll need to make sure to use the IP of the docker container to access
the Blazegraph instance.   Outside of the container, it will not be running
on 127.0.0.1, but rather the IP assigned to the docker container.

You'll need to run something like *docker inspect --format '{{
.NetworkSettings.IPAddress }}' "CONTAINER ID".*

Let us know if that works.

Thanks, --Brad




On Wed, Oct 28, 2015 at 11:11 AM, Mikel Egaña Aranguren <
mik...@gm...> wrote:

> Hi;
>
> I'm preparing a Docker image that includes Blazegraph, but Blazegraph is
> not working. It must be a problem with the Docker setting but perhaps
> someone can give a pointer. (I have also submitted the question to stack
> overflow [1])
>
> The Dockerfile [2] isimply copies a working installation of blazegraph and
> executes the nano sparql server:
>
> COPY blazegraph /LinkedDataServer/blazegraph
> CMD java -server -jar blazegraph/bigdata-bundled.jar
>
> When I run the container (also including pubby and refine):
>
> docker run -d -p 9999:9999 -p 3333:3333 -p 8080:8080
> mikeleganaaranguren/linked-data-server:0.0.1
>
> It runs fine, i.e. I can access Blazegraph at http://127.0.0.1:9999.
> However, when I try to do a query or update data I get "ERROR: Could not
> contact server". Also, I can't access the server programmatically
> (Connection reset by peer):
>
> wget
> http://127.0.0.1:9999/bigdata/sparql?query=select%20*%20where%20{%20?s%20?p%20?o%20}%20limit%201
> <http://127.0.0.1:9999/bigdata/sparql?query=select%20*%20where%20%7B%20?s%20?p%20?o%20%7D%20limit%201>
>
> However when I enter the image and run blazegraph manually I can do the
> wget above, both to localhost and the "internal" IP of the image. Obviously
> there is something wrong with the Docker setting, but any clues will be
> wellcome. Also, is there any blazegraph log I can access when runing
> blazegraph like this?
>
> Thanks
>
>
> [1]
> http://stackoverflow.com/questions/33368741/docker-container-with-blazegraph-triple-store-not-working-possibly-due-to-networ
> [2]
>
> FROM ubuntu:14.04
> MAINTAINER Mikel Egaña Aranguren <my.email@x.com>
>
> RUN apt-get update && apt-get install -y openjdk-7-jre wget curl
>
> RUN mkdir /LinkedDataServer
>
> COPY google-refine-2.5 /LinkedDataServer/google-refine-2.5
> COPY blazegraph /LinkedDataServer/blazegraph
> COPY jetty /LinkedDataServer/jetty
>
> EXPOSE 9999
> EXPOSE 3333
> EXPOSE 8080
>
> WORKDIR /LinkedDataServer
> CMD java -server -jar blazegraph/bigdata-bundled.jar
> CMD google-refine-2.5/refine -i 0.0.0.0
>
> WORKDIR /LinkedDataServer/jetty
> CMD java -jar start.jar jetty.port=8080
>
>
> --
> Mikel Egaña Aranguren, Ph.D.
>
> http://mikeleganaaranguren.com
>
>
>
>
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>
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>
>


-- 
_______________
Brad Bebee
CEO, Managing Partner
SYSTAP, LLC
e:  be...@sy...
m: 202.642.7961
f:  571.367.5000
w:  www.blazegraph.com

Blazegraph™ <http://www.blazegraph.com> is our ultra high-performance graph
database that supports both RDF/SPARQL and Tinkerpop/Blueprints APIs.
Mapgraph™ <http://www.systap.com/mapgraph> is our disruptive new technology
to use GPUs to accelerate data-parallel graph analytics.

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