我是Neo4j的新手。我正在使用Neo4j 2.2.2和Spring Data一起在Java中嘗試一些應用程序。 我正在使用spring-data-neo4j(2.2.2.RELEASE)來連接Neo4j DB。我已經成功完成了在Spring Data中使用存儲庫的所有CRUD操作。 但我無法在Neo4J UI工具中打開&查看此數據庫。 當我試圖從控制檯啓動Neo4J服務器時,出現了以下錯誤消息。Neo4j 2.2.2通過java代碼生成db後服務器無法啓動
[email protected]:~/Installations/neo4j-community-2.2.2/bin$ ./neo4j start
WARNING: Max 1024 open files allowed, minimum of 40 000 recommended. See the Neo4j manual.
Starting Neo4j Server...WARNING: not changing user
process [14509]... waiting for server to be ready.. Failed to start within 120 seconds.
Neo4j Server may have failed to start, please check the logs.
我檢查了我的數據庫商店中的message.log文件。它顯示在下面的例外。
java.lang.RuntimeException: Error starting org.neo4j.kernel.EmbeddedGraphDatabase, /home/emuser1/Installations/neo4j-community-2.2.2/data/graph.db
at org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:334) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.EmbeddedGraphDatabase.(EmbeddedGraphDatabase.java:59) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.server.database.LifecycleManagingDatabase$1.newGraphDatabase(LifecycleManagingDatabase.java:44) ~[neo4j-server-2.2.2.jar:2.2.2]
at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:110) ~[neo4j-server-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:507) [neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) [neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:203) [neo4j-server-2.2.2.jar:2.2.2]
at org.neo4j.server.Bootstrapper.start(Bootstrapper.java:117) [neo4j-server-2.2.2.jar:2.2.2]
at org.neo4j.server.Bootstrapper.main(Bootstrapper.java:69) [neo4j-server-2.2.2.jar:2.2.2]
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component '[email protected]c0' was successfully initialized, but failed to start. Please see attached cause exception.
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:513) [neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) [neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:330) ~[neo4j-kernel-2.2.2.jar:2.2.2]
... 8 common frames omitted
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component '[email protected]' was successfully initialized, but failed to start. Please see attached cause exception.
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:513) [neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) [neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.impl.transaction.state.DataSourceManager.start(DataSourceManager.java:117) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:507) [neo4j-kernel-2.2.2.jar:2.2.2]
... 10 common frames omitted
Caused by: org.neo4j.kernel.impl.storemigration.StoreUpgrader$UpgradingStoreVersionNotFoundException: 'neostore.nodestore.db' does not contain a store version, please ensure that the original database was shut down in a clean state.
at org.neo4j.kernel.impl.storemigration.UpgradableDatabase.checkUpgradeable(UpgradableDatabase.java:86) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.impl.storemigration.StoreMigrator.needsMigration(StoreMigrator.java:158) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.impl.storemigration.StoreUpgrader.getParticipantsEagerToMigrate(StoreUpgrader.java:259) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.impl.storemigration.StoreUpgrader.migrateIfNeeded(StoreUpgrader.java:134) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.NeoStoreDataSource.upgradeStore(NeoStoreDataSource.java:560) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.NeoStoreDataSource.start(NeoStoreDataSource.java:461) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:507) [neo4j-kernel-2.2.2.jar:2.2.2]
... 13 common frames omitted
2015-06-20 05:41:58.344+0000 INFO [o.n.s.CommunityNeoServer]: Successfully shutdown Neo4j Server.
2015-06-20 05:41:58.345+0000 ERROR [o.n.s.CommunityBootstrapper]: Failed to start Neo Server on port [7474]
org.neo4j.server.ServerStartupException: Starting Neo4j Server failed: Component '[email protected]' was successfully initialized, but failed to start. Please see attached cause exception.
at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:255) ~[neo4j-server-2.2.2.jar:2.2.2]
at org.neo4j.server.Bootstrapper.start(Bootstrapper.java:117) [neo4j-server-2.2.2.jar:2.2.2]
at org.neo4j.server.Bootstrapper.main(Bootstrapper.java:69) [neo4j-server-2.2.2.jar:2.2.2]
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component '[email protected]' was successfully initialized, but failed to start. Please see attached cause exception.
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:513) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:203) ~[neo4j-server-2.2.2.jar:2.2.2]
... 2 common frames omitted
Caused by: java.lang.RuntimeException: Error starting org.neo4j.kernel.EmbeddedGraphDatabase, /home/emuser1/Installations/neo4j-community-2.2.2/data/graph.db
at org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:334) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.EmbeddedGraphDatabase.(EmbeddedGraphDatabase.java:59) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.server.database.LifecycleManagingDatabase$1.newGraphDatabase(LifecycleManagingDatabase.java:44) ~[neo4j-server-2.2.2.jar:2.2.2]
at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:110) ~[neo4j-server-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:507) ~[neo4j-kernel-2.2.2.jar:2.2.2]
... 4 common frames omitted
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component '[email protected]c0' was successfully initialized, but failed to start. Please see attached cause exception.
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:513) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:330) ~[neo4j-kernel-2.2.2.jar:2.2.2]
... 8 common frames omitted
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component '[email protected]' was successfully initialized, but failed to start. Please see attached cause exception.
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:513) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:115) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.impl.transaction.state.DataSourceManager.start(DataSourceManager.java:117) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:507) ~[neo4j-kernel-2.2.2.jar:2.2.2]
... 10 common frames omitted
Caused by: org.neo4j.kernel.impl.storemigration.StoreUpgrader$UpgradingStoreVersionNotFoundException: 'neostore.nodestore.db' does not contain a store version, please ensure that the original database was shut down in a clean state.
at org.neo4j.kernel.impl.storemigration.UpgradableDatabase.checkUpgradeable(UpgradableDatabase.java:86) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.impl.storemigration.StoreMigrator.needsMigration(StoreMigrator.java:158) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.impl.storemigration.StoreUpgrader.getParticipantsEagerToMigrate(StoreUpgrader.java:259) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.impl.storemigration.StoreUpgrader.migrateIfNeeded(StoreUpgrader.java:134) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.NeoStoreDataSource.upgradeStore(NeoStoreDataSource.java:560) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.NeoStoreDataSource.start(NeoStoreDataSource.java:461) ~[neo4j-kernel-2.2.2.jar:2.2.2]
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:507) ~[neo4j-kernel-2.2.2.jar:2.2.2]
... 13 common frames omitted
任何人都可以請幫助我。有什麼我做錯了嗎?
在此先感謝。
注:我有和here一樣的問題。但沒有令人滿意的答案。
非常感謝Michael。您能否請我幫我一個忙,建議從哪裏獲得SDN相關信息的資源以供進一步開發。 –
爲了澄清,您的意思是*不*升級到Neo4j 2.2,因爲直到SDN 3.3.1才支持它,對嗎? –