$>cd /tmp $> wget http://apache.crihan.fr/dist/lucene/solr/6.1.0/solr-6.1.0.tgz
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Apache SolR
Description
You can index your Neo4j database directly into SolR with the help of SolR Data Import Handler (DIH) feature and the neo4j jdbc driver.
This article is just on how to make the glue the two component via the JDBC driver.
If you want to learn how SolR works with its DIH feature, please refer to thoses documentations : * https://wiki.apache.org/solr/DataImportHandler * https://cwiki.apache.org/confluence/display/solr/Uploading+Structured+Data+Store+Data+with+the+Data+Import+Handler
How-to
Download the lastest release of SolR (for example : http://apache.crihan.fr/dist/lucene/solr/6.1.0/solr-6.1.0.tgz)
Extract it to a folder (reference as SOLR_HOME)
$> tar xzvf solr-6.1.0.tgz -C SOLR_HOME
Copy the folder SOLR_HOME/example/example-DIH/solr/solr to SOLR_HOME/server/solr/neo4j.
This will create a new SolR core called neo4j with all DIH feautres enabled.
$> cp -rf SOLR_HOME/example/example-DIH/solr/solr SOLR_HOME/server/solr/neo4j
Copy The Neo4j JDBC Driver jar into folder SOLR_HOME/server/solr/neo4j/lib (create the folder of it doesn’t exist).
$> mkdir SOLR_HOME/server/solr/neo4j/lib $> cp neo4j-jdbc-driver-3.0.1-SNAPSHOT.jar SOLR_HOME/solr/server/solr/neo4j/lib/
Edit the file SOLR_HOME/server/solr/neo4j/config/solrconfig.xml to add lib folder by adding this line :
<lib dir="./lib" />
We will configure SolR DIH feature by editing the file SOLR_HOME/server/solr/neo4j/config/solr-data-config.xml.
Just replace its content by this one (don’t forget to replace the jdbc url, login password by yours):
<dataConfig>
<dataSource type="JdbcDataSource"
driver="org.neo4j.jdbc.Driver"
url="jdbc:neo4j:bolt://localhost?nossl"
user="neo4j"
password="test" />
<document name="movie">
<entity name="movie" query="MATCH (m:Movie) RETURN id(m) AS id, m.title AS title, m.tagline AS tagline, m.released AS released">
<field name="id" column="id" />
<field name="title" column="title" />
<field name="tagline_s" column="tagline" />
<field name="release_i" column="released" />
</entity>
</document>
</dataConfig>
Start SolR server :
$> SOLR_HOME/bin/solr start
Open your browser at this url, http://localhost:8983/solr/#/neo4j/dataimport//dataimport , and click on the Execute button.
A click on the refresh status allow you to see the status of the indexation.
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