Neo4j Community Edition 3.0.1 failed to start -

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i populated neo4j database using gremlin console 3.1.2. checked data persistent exiting above console , go pointing local database location:

>graph=neo4jgraph.open('/myneo4jdb/graphdb') >g = graph.traversal() >g.v() ==>v[0] ==>v[1] ==>v[2] ==>v[3]

working on windows 7 professional. checked directory c:\myneo4jdb\graph.db has been created , populated files. see visual representation of data using "neo4j community edition 3.0.1" got error "starting neo4j failed: component 'org.neo4j.server.database.lifecyclemanagingdatabase@3c5e750c initialized, failed start". know neo4j community edition 3.0.1" working fine display database. reason neo4j community edition failed open database? appreciated.

you have upgrade database.

set in neo4j.conf (you can reach via "options" pane in starter)

dbms.allow_format_migration=true

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