Question

我的机器（Linux）上运行了Neo4j 3.2社区版，它的工作原理通常都很好。从我的同事复制* .db目录并指向这个新的数据存储区后，数据库不再需要启动了。

通过重新装饰旧的一切都会再次起作用。我已经用pgrep neo4j检查了其他正在运行的实例，但是没有找到任何实例。

我的neo4j.log中出现以下错误：

2017-07-28 13:29:23.157+0000 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@1799f9ab' was successfully initialized, but failed to start. Please see attached cause exception. Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@1799f9ab' 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@1799f9ab' was successfully initialized, but failed to start. Please see attached cause exception.
    at org.neo4j.server.exception.ServerStartupErrors.translateToServerStartupError(ServerStartupErrors.java:68)
    at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:219)
    at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:107)
    at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:80)
    at org.neo4j.server.CommunityEntryPoint.main(CommunityEntryPoint.java:28)
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.server.database.LifecycleManagingDatabase@1799f9ab' was successfully initialized, but failed to start. Please see attached cause exception.
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:444)
    at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
    at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:211)
    ... 3 more
Caused by: java.lang.RuntimeException: Error starting org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory, .../databases/bird_molecules.db
    at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:209)
    at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.newFacade(GraphDatabaseFacadeFactory.java:124)
    at org.neo4j.server.CommunityNeoServer.lambda$static$0(CommunityNeoServer.java:58)
    at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:89)
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:434)
    ... 5 more
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.recovery.Recovery@5b0c5b15' failed to initialize. Please see attached cause exception.
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:416)
    at org.neo4j.kernel.lifecycle.LifeSupport.init(LifeSupport.java:62)
    at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:98)
    at org.neo4j.kernel.NeoStoreDataSource.start(NeoStoreDataSource.java:511)
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:434)
    at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
    at org.neo4j.kernel.impl.transaction.state.DataSourceManager.start(DataSourceManager.java:100)
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:434)
    at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
    at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:205)
    ... 9 more
Caused by: java.lang.IllegalArgumentException: Unrecognized log entry version -10. At position LogPosition{logVersion=44, byteOffset=16} and entry version null
    at org.neo4j.kernel.impl.transaction.log.entry.LogEntryVersion.byVersion(LogEntryVersion.java:162)
    at org.neo4j.kernel.impl.transaction.log.entry.VersionAwareLogEntryReader.readLogEntry(VersionAwareLogEntryReader.java:97)
    at org.neo4j.kernel.impl.transaction.log.LogEntryCursor.next(LogEntryCursor.java:54)
    at org.neo4j.kernel.recovery.LatestCheckPointFinder.find(LatestCheckPointFinder.java:82)
    at org.neo4j.kernel.recovery.PositionToRecoverFrom.apply(PositionToRecoverFrom.java:89)
    at org.neo4j.kernel.recovery.DefaultRecoverySPI.getPositionToRecoverFrom(DefaultRecoverySPI.java:81)
    at org.neo4j.kernel.recovery.Recovery.init(Recovery.java:80)
    at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:406)
    ... 18 more
2017-07-28 13:29:23.157+0000 INFO  Neo4j Server shutdown initiated by request

Answer 1

我的问题的原因是我和我的同事使用的不同版本的Neo4j。他在3.2.1上创建了数据库，我试图将它与3.2.0实例一起使用。安装完最后的3.2.2版本后，我可以毫无问题地使用新的数据存储。

复制新的* .db后，Neo4j无法启动

1 个答案: