Hi 

I am trying to use the lucene as the index backend but I am unable to use it.

Here is what I am trying to do 

graph = JanusGraphFactory.open('conf/janusgraph-cassandra.properties')

 g = graph.traversal()

 

mgmt= graph.openManagement()

open = mgmt.getOpenInstances()      // all active instances

for (String inst : open) 

      { 

if (!inst.endsWith("(current)"))         //close instance except current 

mgmt.forceCloseInstance(inst)  

       }

mgmt.commit()

    

mgmt = graph.openManagement()

mgmt.set('index.search.backend', 'lucene')

mgmt.commit()

now when I am trying to call openMangement again it is giving me error : Unable to re-open management log

does anybody has an insights about he problem

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It looks like 'index.*.backend' can be configured only via properties files since the configuration option is GLOBAL_OFFLINE - can only be changed for the entire database cluster at once when all instances are shut down. Additionally for Lucene, I believe it is also required to set 'index.search.directory'.

See also
http://docs.janusgraph.org/latest/lucene.html
http://docs.janusgraph.org/latest/config-ref.html#_index

Robert Dale

On Thu, Nov 23, 2017 at 9:16 AM, shrikant pachauri <sk.pa...@...> wrote:

Hi 

I am trying to use the lucene as the index backend but I am unable to use it.

Here is what I am trying to do 

graph = JanusGraphFactory.open('conf/janusgraph-cassandra.properties')

 g = graph.traversal()

 

mgmt= graph.openManagement()

open = mgmt.getOpenInstances()      // all active instances

for (String inst : open) 

      { 

if (!inst.endsWith("(current)"))         //close instance except current 

mgmt.forceCloseInstance(inst)  

       }

mgmt.commit()

    

mgmt = graph.openManagement()

mgmt.set('index.search.backend', 'lucene')

mgmt.commit()

now when I am trying to call openMangement again it is giving me error : Unable to re-open management log

does anybody has an insights about he problem

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To view this discussion on the web visit https://groups.google.com/d/msgid/janusgraph-users/04f004a5-f604-4f0a-bf2f-f81eb770742c%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.