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Neo4j ElasticSearch Integration
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Unable to start neo4j service after stop after adding jar in plugins folder #50

Closed siddharth-gitrepo closed 6 years ago

siddharth-gitrepo commented 6 years ago

Hi, I am using Neo4J version 3.4.4 and elasticsearch 6.3.2.

I have copied the neo4j-elasticsearch-3.2.3 jar file to plugins folder and attempted to restart/stop-start the service. I get the below error in neo4j console. elasticsearch is up and running.

Error logs: C:\neo4j-community-3.4.4-windows\neo4j-community-3.4.4>neo4j console 2018-08-14 05:59:49.479+0000 INFO ======== Neo4j 3.4.4 ======== 2018-08-14 05:59:49.507+0000 INFO Starting... 2018-08-14 05:59:50.384+0000 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@638ef7ed' was successfully initialized, but failed to start. Please see the attached cause exception "org.neo4j.kernel.configuration.Settings.setting(Ljava/lang/String;Ljava/util/function/Function;Ljava/lang/String;)Lorg/neo4j/graphdb/config/BaseSetting;". Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@638ef7ed' was successfully initialized, but failed to start. Please see the attached cause exception "org.neo4j.kernel.configuration.Settings.setting(Ljava/lang/String;Ljava/util/function/Function;Ljava/lang/String;)Lorg/neo4j/graphdb/config/BaseSetting;". org.neo4j.server.ServerStartupException: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@638ef7ed' was successfully initialized, but failed to start. Please see the attached cause exception "org.neo4j.kernel.configuration.Settings.setting(Ljava/lang/String;Ljava/util/function/Function;Ljava/lang/String;)Lorg/neo4j/graphdb/config/BaseSetting;". at org.neo4j.server.exception.ServerStartupErrors.translateToServerStartupError(ServerStartupErrors.java:68) at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:220) at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:111) at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:79) at org.neo4j.server.CommunityEntryPoint.main(CommunityEntryPoint.java:32) Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.server.database.LifecycleManagingDatabase@638ef7ed' was successfully initialized, but failed to start. Please see the attached cause exception "org.neo4j.kernel.configuration.Settings.setting(Ljava/lang/String;Ljava/util/function/Function;Ljava/lang/String;)Lorg/neo4j/graphdb/config/BaseSetting;". at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:466) at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107) at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:212) ... 3 more Caused by: java.lang.RuntimeException: Error starting org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory, C:\neo4j-community-3.4.4-windows\neo4j-community-3.4.4\data\databases\graph.db at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:212) at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.newFacade(GraphDatabaseFacadeFactory.java:125) at org.neo4j.server.CommunityNeoServer.lambda$static$0(CommunityNeoServer.java:58) at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:88) at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:445) ... 5 more Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.extension.KernelExtensions@18317edc' failed to initialize. Please see the attached cause exception "org.neo4j.kernel.configuration.Settings.setting(Ljava/lang/String;Ljava/util/function/Function;Ljava/lang/String;)Lorg/neo4j/graphdb/config/BaseSetting;". at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:427) at org.neo4j.kernel.lifecycle.LifeSupport.init(LifeSupport.java:62) at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:98) at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:208) ... 9 more Caused by: java.lang.NoSuchMethodError: org.neo4j.kernel.configuration.Settings.setting(Ljava/lang/String;Ljava/util/function/Function;Ljava/lang/String;)Lorg/neo4j/graphdb/config/BaseSetting; at org.neo4j.elasticsearch.ElasticSearchKernelExtensionFactory$ElasticSearchSettings.(ElasticSearchKernelExtensionFactory.java:24) at org.neo4j.elasticsearch.ElasticSearchKernelExtensionFactory.newInstance(ElasticSearchKernelExtensionFactory.java:40) at org.neo4j.elasticsearch.ElasticSearchKernelExtensionFactory.newInstance(ElasticSearchKernelExtensionFactory.java:18) at org.neo4j.kernel.extension.KernelExtensions.newInstance(KernelExtensions.java:78) at org.neo4j.kernel.extension.KernelExtensions.init(KernelExtensions.java:61) at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:406) ... 12 more 2018-08-14 05:59:50.392+0000 INFO Neo4j Server shutdown initiated by request

jexp commented 6 years ago

You need to use the 3.4. branch.

For a proper elastic search integration I recommend to check out the GraphAware one: https://dzone.com/refcardz/graph-powered-search-neo4j-amp-elasticsearch?chapter=1