Can'；t启动neo4j和日志错误："；无法读取存储格式：外部锁定"；

我使用的是neo4j 3.3.4，它在很长一段时间内运行正常，但在机器重新启动后，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

我曾试图删除“存储锁”文件，但似乎没有用。 我怎样才能解决这个问题

这是关于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

debug.log：
2018-08-20 11:31:03.303+0800信息[o.n.k.i.DiagnosticsManager]——初始化诊断结束---
2018-08-20 11:31:03.603+0800信息[o.n.b.v.r.WorkerFactory]螺栓服务器扩展已加载。
2018-08-20 11:31:03.606+0800信息[o.n.b.v.r.WorkerFactory]螺栓在0.0.0.0:7687启用。
2018-08-20 11:31:03.623+0800信息[o.n.m.MetricsExtension]启动度量。。。
2018-08-20 11:31:03.875+0800信息[o.n.k.i.s.f.RecordFormatSelector]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
2018-08-20 11:31:03.903+0800信息[o.n.k.i.s.f.RecordFormatSelector]为新店选择了“RecordFormat:StandardV3_2[v0.A.8]”格式
2018-08-20 11:31:03.960+0800信息[o.n.k.i.s.f.RecordFormatSelector]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
2018-08-20 11:31:03.990+0800警告[o.n.k.NeoStoreDataSource]设置存储模块时发生异常。试图关闭东西。org.neo4j.io.pagecache.impl.FileLockException:外部锁定：/home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
org.neo4j.kernel.impl.store.underlyngstorageexception:org.neo4j.io.pagecache.impl.FileLockException:外部锁定：/home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
位于org.neo4j.kernel.impl.store.NeoStores.verifyRecordFormat（NeoStores.java:212）
位于org.neo4j.kernel.impl.store.NeoStores（NeoStores.java:144）
位于org.neo4j.kernel.impl.store.StoreFactory.openNeoStores（StoreFactory.java:160）
位于org.neo4j.kernel.impl.store.StoreFactory.openAllNeoStores（StoreFactory.java:124）
位于org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageEngine（RecordStorageEngine.java:200）
位于org.neo4j.kernel.NeoStoreDataSource.buildStorageEngine（NeoStoreDataSource.java:587）
位于org.neo4j.kernel.NeoStoreDataSource.start（NeoStoreDataSource.java:449）
位于org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start（LifeSupport.java:445）
位于org.neo4j.kernel.lifecycle.LifeSupport.start（LifeSupport.java:107）
位于org.neo4j.kernel.impl.transaction.state.DataSourceManager.start（DataSourceManager.java:100）
位于org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start（LifeSupport.java:445）
位于org.neo4j.kernel.lifecycle.LifeSupport.start（LifeSupport.java:107）
位于org.neo4j.kernel.impl.factory.GraphDatabaseFacadeFactory.initFacade（GraphDatabaseFacadeFactory.java:207）
位于org.neo4j.kernel.ha.HighlyAvailableGraphDatabase。（HighlyAvailableGraphDatabase.java:50）
位于org.neo4j.server.enterprise.openenterpriseoserver.lambda$static$1（openenterpriseoserver.java:69）
位于org.neo4j.server.database.LifecycleManagingDatabase.start（LifecycleManagingDatabase.java:88）
位于org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start（LifeSupport.java:445）
位于org.neo4j.kernel.lifecycle.LifeSupport.start（LifeSupport.java:107）
位于org.neo4j.server.AbstractNeoServer.start（AbstractNeoServer.java:212）
位于org.neo4j.server.ServerBootstrapper.start（ServerBootstrapper.java:111）
位于org.neo4j.server.ServerBootstrapper.start（ServerBootstrapper.java:79）
位于org.neo4j.server.enterprise.OpenEnterpriseEntryPoint.main（OpenEnterpriseEntryPoint.java:36）
原因：org.neo4j.io.pagecache.impl.FileLockException:外部锁定：/home/ap/nas/neo4j/2/neo4j-enterprise-3.3.4/data/databases/graph.db/neostore
位于org.neo4j.io.pagecache.impl.SingleFilePageSwapper.acquireLock（SingleFilePageSwapper.java:208）
位于org.neo4j.io.pagecache.impl.SingleFilePageSwapper.（SingleFilePageSwapper.java:159）
位于org.neo4j.io.pagecache.impl.SingleFilePageSwapperFactory.createPageSwapper（SingleFilePageSwapperFactory.java:71）
位于org.neo4j.io.pagecache.impl.muninn.MuninnPagedFile（MuninnPagedFile.java:147）
位于org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.map（MuninnPageCache.java:340）
位于org.neo4j.kernel.impl.store.MetaDataStore.getRecord（MetaDataStore.java:290）
位于org.neo4j.kernel.impl.store.NeoStores.verifyRecordFormat（NeoStores.java:193）
... 还有21个
2018-08-20 11:31:03.996+0800信息[o.n.k.i.DiagnosticsManager]——停止诊断开始---
2018-08-20 11:31:03.997+0800信息[o.n.k.i.DiagnosticsManager]高可用性诊断
会员国：待定
状态机：
原子广播消息：开始
Acceptor消息：开始
建议信息：开始
LearnerMessage：开始
HeartBeat消息：开始
选择信息：开始
快照消息：开始
ClusterMessage：开始
当前超时：
2018-08-20 11:31:03.997+0800信息[o.n.k.i.DiagnosticsManager]——停止诊断结束---
2018-08-20 11:31:04.007+0800信息[o.n.k.i.f.GraphDatabaseFacadeFactory]关闭开始
2018-08-20 11:31:04.019+0800信息[o.n.k.c.Config]设置已更改：“dbms.logs.query.enabled”已从“true”更改为“false”
neo4j.log：
2018-08-20 11:31:02.033+0800信息=Neo4j 3.3.4========
2018-08-20 11:31:02.081+0800信息开始。。。
2018-08-20 11:31:03.184+0800禁止向数据库写入信息事务
2018-08-20 11:31:03.604+0800信息螺栓在0.0.0.0:7687启用。
2018-08-20 11:31:03.621+0800信息启动度量。。。
2018-08-20 11:31:04.052+0800启动Neo4j失败错误：启动Neo4j失败：组件“org.n”