Hi, I am trying to start neo4j server using ,
*org.neo4j.server.Bootstrapper* String[] args = new String[1]; args[0] = "start"; Bootstrapper.main(args); When i run the code, I get the following exception : SEVERE: java.lang.NullPointerException at java.io.File.<init>(File.java:251) at org.neo4j.server.preflight.PerformUpgradeIfNecessary.run(PerformUpgradeIfNecessary.java:66) at org.neo4j.server.preflight.PreFlightTasks.run(PreFlightTasks.java:70) at org.neo4j.server.AbstractNeoServer.runPreflightTasks(AbstractNeoServer.java:276) at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:162) at org.neo4j.server.Bootstrapper.start(Bootstrapper.java:86) at org.neo4j.server.Bootstrapper.main(Bootstrapper.java:49) at in.co.nmsworks.nms.web.GraphDatabaseServerInvoker$LaunchHelper.run(GraphDatabaseServerInvoker.java:213) Jan 27, 2014 1:02:21 PM org.neo4j.server.logging.Logger log SEVERE: Unable to upgrade database Jan 27, 2014 1:02:21 PM org.neo4j.server.logging.Logger log SEVERE: org.neo4j.server.ServerStartupException: Starting Neo4j Server failed: Startup failed due to preflight task [class org.neo4j.server.preflight.PerformUpgradeIfNecessary]: Unable to upgrade database at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:211) at org.neo4j.server.Bootstrapper.start(Bootstrapper.java:86) at org.neo4j.server.Bootstrapper.main(Bootstrapper.java:49) at in.co.nmsworks.nms.web.GraphDatabaseServerInvoker$LaunchHelper.run(GraphDatabaseServerInvoker.java:213) Caused by: org.neo4j.server.preflight.PreflightFailedException: Startup failed due to preflight task [class org.neo4j.server.preflight.PerformUpgradeIfNecessary]: Unable to upgrade database at org.neo4j.server.AbstractNeoServer.runPreflightTasks(AbstractNeoServer.java:278) at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:162) ... 3 more Jan 27, 2014 1:02:21 PM org.neo4j.server.logging.Logger log SEVERE: Failed to start Neo Server on port [7474] Help me. Thanks in advance -- You received this message because you are subscribed to the Google Groups "Neo4j" group. To unsubscribe from this group and stop receiving emails from it, send an email to neo4j+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
