我正在使用neo4j 3.3.4，它已经运行了很长时间，但是在计算机重启后，neo4j无法启动，在日志中显示以下消息： 无法读取存储格式：外部锁定：/home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
我曾尝试删除“ store_lock”文件，但这似乎没用。 我该如何解决该问题？
这是有关neo4j.log和debug.log的错误信息：
debug.log:
2018-08-20 11:31:03.303+0800 INFO [o.n.k.i.DiagnosticsManager] --- INITIALIZED diagnostics END ---
2018-08-20 11:31:03.603+0800 INFO [o.n.b.v.r.WorkerFactory] Bolt Server extension loaded.
2018-08-20 11:31:03.606+0800 INFO [o.n.b.v.r.WorkerFactory] Bolt enabled on 0.0.0.0:7687.
2018-08-20 11:31:03.623+0800 INFO [o.n.m.MetricsExtension] Initiating metrics...
2018-08-20 11:31:03.875+0800 INFO [o.n.k.i.s.f.RecordFormatSelector] Unable to read store format: Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
2018-08-20 11:31:03.903+0800 INFO [o.n.k.i.s.f.RecordFormatSelector] Selected format 'RecordFormat:StandardV3_2[v0.A.8]' for the new store
2018-08-20 11:31:03.960+0800 INFO [o.n.k.i.s.f.RecordFormatSelector] Unable to read store format: Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
2018-08-20 11:31:03.990+0800 WARN [o.n.k.NeoStoreDataSource] Exception occurred while setting up store modules. Attempting to close things down. org.neo4j.io.pagecache.impl.FileLockException: Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
org.neo4j.kernel.impl.store.UnderlyingStorageException: org.neo4j.io.pagecache.impl.FileLockException: Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
at org.neo4j.kernel.impl.store.NeoStores.verifyRecordFormat(NeoStores.java:212)
at org.neo4j.kernel.impl.store.NeoStores.<init>(NeoStores.java:144)
at org.neo4j.kernel.impl.store.StoreFactory.openNeoStores(StoreFactory.java:160)
at org.neo4j.kernel.impl.store.StoreFactory.openAllNeoStores(StoreFactory.java:124)
at org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageEngine.<init>(RecordStorageEngine.java:200)
at org.neo4j.kernel.NeoStoreDataSource.buildStorageEngine(NeoStoreDataSource.java:587)
at org.neo4j.kernel.NeoStoreDataSource.start(NeoStoreDataSource.java:449)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:445)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
at org.neo4j.kernel.impl.transaction.state.DataSourceManager.start(DataSourceManager.java:100)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:445)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:207)
at org.neo4j.kernel.ha.HighlyAvailableGraphDatabase.<init>(HighlyAvailableGraphDatabase.java:50)
at org.neo4j.server.enterprise.OpenEnterpriseNeoServer.lambda$static$1(OpenEnterpriseNeoServer.java:69)
at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:88)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:445)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:212)
at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:111)
at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:79)
at org.neo4j.server.enterprise.OpenEnterpriseEntryPoint.main(OpenEnterpriseEntryPoint.java:36)
Caused by: org.neo4j.io.pagecache.impl.FileLockException: Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
at org.neo4j.io.pagecache.impl.SingleFilePageSwapper.acquireLock(SingleFilePageSwapper.java:208)
at org.neo4j.io.pagecache.impl.SingleFilePageSwapper.<init>(SingleFilePageSwapper.java:159)
at org.neo4j.io.pagecache.impl.SingleFilePageSwapperFactory.createPageSwapper(SingleFilePageSwapperFactory.java:71)
at org.neo4j.io.pagecache.impl.muninn.MuninnPagedFile.<init>(MuninnPagedFile.java:147)
at org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.map(MuninnPageCache.java:340)
at org.neo4j.kernel.impl.store.MetaDataStore.getRecord(MetaDataStore.java:290)
at org.neo4j.kernel.impl.store.NeoStores.verifyRecordFormat(NeoStores.java:193)
... 21 more
2018-08-20 11:31:03.996+0800 INFO [o.n.k.i.DiagnosticsManager] --- STOPPING diagnostics START ---
2018-08-20 11:31:03.997+0800 INFO [o.n.k.i.DiagnosticsManager] High Availability diagnostics
Member state:PENDING
State machines:
AtomicBroadcastMessage:start
AcceptorMessage:start
ProposerMessage:start
LearnerMessage:start
HeartbeatMessage:start
ElectionMessage:start
SnapshotMessage:start
ClusterMessage:start
Current timeouts:
2018-08-20 11:31:03.997+0800 INFO [o.n.k.i.DiagnosticsManager] --- STOPPING diagnostics END ---
2018-08-20 11:31:04.007+0800 INFO [o.n.k.i.f.GraphDatabaseFacadeFactory] Shutdown started
2018-08-20 11:31:04.019+0800 INFO [o.n.k.c.Config] Setting changed: 'dbms.logs.query.enabled' changed from 'true' to 'false'
neo4j.log:
2018-08-20 11:31:02.033+0800 INFO ======== Neo4j 3.3.4 ========
2018-08-20 11:31:02.081+0800 INFO Starting...
2018-08-20 11:31:03.184+0800 INFO Write transactions to database disabled
2018-08-20 11:31:03.604+0800 INFO Bolt enabled on 0.0.0.0:7687.
2018-08-20 11:31:03.621+0800 INFO Initiating metrics...
2018-08-20 11:31:04.052+0800 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@18e7143f' was successfully initialized, but failed to start. Please see the attached cause exception "Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore". Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@18e7143f' was successfully initialized, but failed to start. Please see the attached cause exception "Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore".
org.neo4j.server.ServerStartupException: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabase@18e7143f' was successfully initialized, but failed to start. Please see the attached cause exception "Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore".
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.enterprise.OpenEnterpriseEntryPoint.main(OpenEnterpriseEntryPoint.java:36)
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.server.database.LifecycleManagingDatabase@18e7143f' was successfully initialized, but failed to start. Please see the attached cause exception "Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore".
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:466)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:212)
... 3 more
Caused by: java.lang.RuntimeException: Error starting org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory, /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db
at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:211)
at org.neo4j.kernel.ha.HighlyAvailableGraphDatabase.<init>(HighlyAvailableGraphDatabase.java:50)
at org.neo4j.server.enterprise.OpenEnterpriseNeoServer.lambda$static$1(OpenEnterpriseNeoServer.java:69)
at org.neo4j.server.database.LifecycleManagingDatabase.start(LifecycleManagingDatabase.java:88)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:445)
... 5 more
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.NeoStoreDataSource@6e9319f' was successfully initialized, but failed to start. Please see the attached cause exception "Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore".
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:466)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
at org.neo4j.kernel.impl.transaction.state.DataSourceManager.start(DataSourceManager.java:100)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:445)
at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:107)
at org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade(GraphDatabaseFacadeFactory.java:207)
... 9 more
Caused by: org.neo4j.kernel.impl.store.UnderlyingStorageException: org.neo4j.io.pagecache.impl.FileLockException: Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
at org.neo4j.kernel.impl.store.NeoStores.verifyRecordFormat(NeoStores.java:212)
at org.neo4j.kernel.impl.store.NeoStores.<init>(NeoStores.java:144)
at org.neo4j.kernel.impl.store.StoreFactory.openNeoStores(StoreFactory.java:160)
at org.neo4j.kernel.impl.store.StoreFactory.openAllNeoStores(StoreFactory.java:124)
at org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageEngine.<init>(RecordStorageEngine.java:200)
at org.neo4j.kernel.NeoStoreDataSource.buildStorageEngine(NeoStoreDataSource.java:587)
at org.neo4j.kernel.NeoStoreDataSource.start(NeoStoreDataSource.java:449)
at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:445)
... 14 more
Caused by: org.neo4j.io.pagecache.impl.FileLockException: Externally locked: /home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
at org.neo4j.io.pagecache.impl.SingleFilePageSwapper.acquireLock(SingleFilePageSwapper.java:208)
at org.neo4j.io.pagecache.impl.SingleFilePageSwapper.<init>(SingleFilePageSwapper.java:159)
at org.neo4j.io.pagecache.impl.SingleFilePageSwapperFactory.createPageSwapper(SingleFilePageSwapperFactory.java:71)
at org.neo4j.io.pagecache.impl.muninn.MuninnPagedFile.<init>(MuninnPagedFile.java:147)
at org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.map(MuninnPageCache.java:340)
at org.neo4j.kernel.impl.store.MetaDataStore.getRecord(MetaDataStore.java:290)
at org.neo4j.kernel.impl.store.NeoStores.verifyRecordFormat(NeoStores.java:193)
... 21 more
2018-08-20 11:31:04.053+0800 INFO Neo4j Server shutdown initiated by request