无法启动neo4j afer将elasticsearch jar文件复制到插件文件夹

Question

我将弹性搜索的依赖文件夹中的jar文件复制到neo4j的插件文件夹后，在neo4j console.log中出现以下错误

2015-12-11 08:08:21.697+0000 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@623dc0b8' was successfully initialized, but failed to start. Please see attach
ed cause exception. Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@623dc0b8' was successfully initialized, but failed to start. Please see attached cause exception.

org.neo4j.server.ServerStartupException: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@623dc0b8' was successfully initialized, but failed to start. Please see attached cause exceptio
n.

at org.neo4j.server.exception.ServerStartupErrors.translateToServerStartupError(ServerStartupErrors.java:67)

at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:234)

at org.neo4j.server.Bootstrapper.start(Bootstrapper.java:97)

at org.neo4j.server.CommunityBootstrapper.start(CommunityBootstrapper.java:48)

at org.neo4j.server.CommunityBootstrapper.main(CommunityBootstrapper.java:35)

Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.server.database.LifecycleManagingDatabase@623dc0b8' was successfully initialized, but failed to start. Please see attached cause exception.

at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:462)

at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:111)

at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:194)

... 3 more

Caused by: java.lang.RuntimeException: Error starting org.neo4j.kernel.impl.factory.CommunityFacadeFactory, /var/lib/neo4j/data/graph.db

at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.newFacade(GraphDatabaseFacadeFactory.java:143)

at org.neo4j.kernel.impl.factory.CommunityFacadeFactory.newFacade(CommunityFacadeFactory.java:43)

at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.newFacade(GraphDatabaseFacadeFactory.java:108)

at org.neo4j.server.CommunityNeoServer$1.newGraphDatabase(CommunityNeoServer.java:66)

at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:95)

at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:452)

... 5 more

Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.extension.KernelExtensions@28d2afd8' failed to initialize. Please see attached cause exception.

at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:434)

at org.neo4j.kernel.lifecycle.LifeSupport.init(LifeSupport.java:66)

at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:102)

at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.newFacade(GraphDatabaseFacadeFactory.java:139)

... 10 more

Caused by: org.neo4j.kernel.impl.util.UnsatisfiedDependencyException: java.lang.IllegalArgumentException: No dependency satisfies type class org.neo4j.kernel.impl.util.StringLogger

at org.neo4j.kernel.impl.util.DependenciesProxy$ProxyHandler.invoke(DependenciesProxy.java:79)

at com.sun.proxy.$Proxy6.getStringLogger(Unknown Source)

at org.neo4j.elasticsearch.ElasticSearchKernelExtensionFactory.newKernelExtension(ElasticSearchKernelExtensionFactory.java:39)

at org.neo4j.elasticsearch.ElasticSearchKernelExtensionFactory.newKernelExtension(ElasticSearchKernelExtensionFactory.java:20)

Answer 1

你的问题可能是因为Neo4j和ElasticSearch使用不同版本的Lucene。

在JVM中，您不能拥有一个具有两个不同版本的jar。