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Make a directory for Before downloading and unzipping the Lucene index files, be sure you have at least 2.5 GB available.

Change directory to /opt/shrine/tomcat/lib.  Download and unpack the Lucene index archive files. Be sure to set the user and group ownership of the Lucene index files , download, and unpack themto the account that is running the SHRINE application (by default, this should be the "shrine" user).  Finally, clean up the zip files.  Remember that everything in /opt/shrine must have the user and group ownership set to the shrine user.

cd /opt/shrine/tomcat/lib

wget https://open.catalyst.harvard.edu/svn/shrine-act/tags/201902050000/index/shrine-act-artifacts.s3.amazonaws.com/lucene-indices/lucene_index-2.0.1-cov3-07-14-2020.zip -O lucene_index.zip
wget https://open.catalyst.harvard.edu/svn/shrine-act/tags/201902050000/index/shrine-act-artifacts.s3.amazonaws.com/lucene-indices/suggest_index-2.0.1-cov3-07-14-2020.zip -O suggest_index.zip

unzip lucene_index.zip
unzip suggest_index.zip

chown -R shrine:shrine lucene_index
chown -R shrine:shrine suggest_index

rm lucene_index.zip suggest_index.zip

Note: If your system uses a different directory other than /opt/shrine/tomcat/, then it is recommended to make the following change below to your shrine.conf. This will help the Shrine locate the the lucene_index files. By default the system looks for the lucene_index in the /opt/shrine/tomcat/lib directory. 

lucene {

directory = "/path to shrine/tomcat/lib/lucene_index"

maxSearchResults = 200

suggestDirectory = "/path to shrine/tomcat/lib/suggest_index"

suggestCount = 5

}

Not doing this will result in the following webclient error: Error connecting to: "https://shrinehost/shrine-api/ontology/filterOptions"