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Neo4j transaction logs are missing and recovery is not possible

kaplan441
Node

I downloaded neo4j server community edition 4.0.3.

I changed only this line in neo4j.conf

dbms.security.auth_enabled=true

When I started server from command line then exception occurred.

2020-04-08 06:08:17.682+0000 INFO  ======== Neo4j 4.0.3 ========
2020-04-08 06:08:17.682+0000 INFO  Starting...
2020-04-08 06:08:25.935+0000 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabaseService@5df63359' was successfully initialized, but failed to start. 
Please see the attached cause exception "Transaction logs are missing and recovery is not possible. To force the database to start anyway, you can specify 'dbms.recovery.fail_on_missing_files=false'. 
This will create new transaction log and will update database metadata accordingly. Doing this means your database integrity might be compromised, please consider restoring from a consistent backup instead.". 
Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabaseService@5df63359' was successfully initialized, but failed to start. 
Please see the attached cause exception "Transaction logs are missing and recovery is not possible. To force the database to start anyway, you can specify 'dbms.recovery.fail_on_missing_files=false'. 
This will create new transaction log and will update database metadata accordingly. Doing this means your database integrity might be compromised, please consider restoring from a consistent backup instead.".
org.neo4j.server.ServerStartupException: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabaseService@5df63359' was successfully initialized, but failed to start. 
Please see the attached cause exception "Transaction logs are missing and recovery is not possible. To force the database to start anyway, you can specify 'dbms.recovery.fail_on_missing_files=false'. 
This will create new transaction log and will update database metadata accordingly. Doing this means your database integrity might be compromised, please consider restoring from a consistent backup instead.".
        at org.neo4j.server.exception.ServerStartupErrors.translateToServerStartupError(ServerStartupErrors.java:45)
        at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:164)
        at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:114)
        at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:89)
        at org.neo4j.server.CommunityEntryPoint.main(CommunityEntryPoint.java:35)
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.server.database.LifecycleManagingDatabaseService@5df63359' was successfully initialized, but failed to start. 
Please see the attached cause exception "Transaction logs are missing and recovery is not possible. To force the database to start anyway, you can specify 'dbms.recovery.fail_on_missing_files=false'. 
This will create new transaction log and will update database metadata accordingly. Doing this means your database integrity might be compromised, please consider restoring from a consistent backup instead.".
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:465)
        at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:111)
        at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:157)
        ... 3 more
Caused by: java.lang.RuntimeException: Error starting database server at C:\Downloads\neo4j-community-4.0.3-windows\neo4j-community-4.0.3\data\databases
        at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.startDatabaseServer(DatabaseManagementServiceFactory.java:167)
        at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.build(DatabaseManagementServiceFactory.java:145)
        at org.neo4j.server.database.CommunityGraphFactory.newDatabaseManagementService(CommunityGraphFactory.java:36)
        at org.neo4j.server.database.LifecycleManagingDatabaseService.start(LifecycleManagingDatabaseService.java:88)
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:444)
        ... 5 more
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.dbms.database.DefaultSystemGraphInitializer@422b8438' was successfully initialized, but failed to start. 
Please see the attached cause exception "Transaction logs are missing and recovery is not possible. To force the database to start anyway, you can specify 'dbms.recovery.fail_on_missing_files=false'. 
This will create new transaction log and will update database metadata accordingly. Doing this means your database integrity might be compromised, please consider restoring from a consistent backup instead.".
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:465)
        at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:111)
        at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.startDatabaseServer(DatabaseManagementServiceFactory.java:158)
        ... 9 more
Caused by: org.neo4j.graphdb.DatabaseShutdownException: This database is shutdown.
        at org.neo4j.kernel.availability.DatabaseAvailabilityGuard.assertDatabaseAvailable(DatabaseAvailabilityGuard.java:172)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginKernelTransaction(GraphDatabaseFacade.java:185)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTransactionInternal(GraphDatabaseFacade.java:165)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTransaction(GraphDatabaseFacade.java:119)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTransaction(GraphDatabaseFacade.java:113)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTransaction(GraphDatabaseFacade.java:101)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTx(GraphDatabaseFacade.java:96)
        at org.neo4j.dbms.database.DefaultSystemGraphInitializer.isSystemGraphEmpty(DefaultSystemGraphInitializer.java:100)
        at org.neo4j.dbms.database.DefaultSystemGraphInitializer.initializeSystemGraph(DefaultSystemGraphInitializer.java:76)
        at org.neo4j.dbms.database.DefaultSystemGraphInitializer.initializeSystemGraph(DefaultSystemGraphInitializer.java:69)
        at org.neo4j.dbms.database.SystemGraphInitializer.start(SystemGraphInitializer.java:30)
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:444)
        ... 11 more
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.kernel.recovery.Recovery$MissingTransactionLogsCheck@152c4495' failed to initialize. 
Please see the attached cause exception "Transaction logs are missing and recovery is not possible. To force the database to start anyway, you can specify 'dbms.recovery.fail_on_missing_files=false'. 
This will create new transaction log and will update database metadata accordingly. Doing this means your database integrity might be compromised, please consider restoring from a consistent backup instead.".
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:426)
        at org.neo4j.kernel.lifecycle.LifeSupport.init(LifeSupport.java:66)
        at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:102)
        at org.neo4j.kernel.recovery.Recovery.performRecovery(Recovery.java:364)
        at org.neo4j.kernel.database.Database.start(Database.java:380)
        at org.neo4j.dbms.database.AbstractDatabaseManager.startDatabase(AbstractDatabaseManager.java:187)
        at org.neo4j.dbms.database.DefaultDatabaseManager.startDatabase(DefaultDatabaseManager.java:132)
        at org.neo4j.dbms.database.DefaultDatabaseManager.startDatabase(DefaultDatabaseManager.java:36)
        at org.neo4j.dbms.database.AbstractDatabaseManager.forEachDatabase(AbstractDatabaseManager.java:165)
        at org.neo4j.dbms.database.AbstractDatabaseManager.startAllDatabases(AbstractDatabaseManager.java:112)
        at org.neo4j.dbms.database.AbstractDatabaseManager.start(AbstractDatabaseManager.java:106)
        ... 12 more
Caused by: java.lang.RuntimeException: Transaction logs are missing and recovery is not possible. To force the database to start anyway, you can specify 'dbms.recovery.fail_on_missing_files=false'. 
This will create new transaction log and will update database metadata accordingly. Doing this means your database integrity might be compromised, please consider restoring from a consistent backup instead.
        at org.neo4j.kernel.recovery.Recovery$MissingTransactionLogsCheck.checkForMissingLogFiles(Recovery.java:512)
        at org.neo4j.kernel.recovery.Recovery$MissingTransactionLogsCheck.init(Recovery.java:501)
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.init(LifeSupport.java:405)
        ... 22 more
2020-04-08 06:08:25.935+0000 INFO  Neo4j Server shutdown initiated by request

I added this command the neo4j.conf. Then different exception occurred.

2020-04-08 06:05:03.735+0000 INFO  ======== Neo4j 4.0.3 ========
2020-04-08 06:05:03.735+0000 INFO  Starting...
2020-04-08 06:05:11.997+0000 ERROR Failed to start Neo4j: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabaseService@721d8ab5' was successfully initialized, but failed to start. 
Please see the attached cause exception "Supported CypherOperatorEngineOption values are: compiled, interpreted". Starting Neo4j failed: 
Component 'org.neo4j.server.database.LifecycleManagingDatabaseService@721d8ab5' was successfully initialized, but failed to start. 
Please see the attached cause exception "Supported CypherOperatorEngineOption values are: compiled, interpreted".
org.neo4j.server.ServerStartupException: Starting Neo4j failed: Component 'org.neo4j.server.database.LifecycleManagingDatabaseService@721d8ab5' was successfully initialized, but failed to start. 
Please see the attached cause exception "Supported CypherOperatorEngineOption values are: compiled, interpreted".
        at org.neo4j.server.exception.ServerStartupErrors.translateToServerStartupError(ServerStartupErrors.java:45)
        at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:164)
        at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:114)
        at org.neo4j.server.ServerBootstrapper.start(ServerBootstrapper.java:89)
        at org.neo4j.server.CommunityEntryPoint.main(CommunityEntryPoint.java:35)
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.server.database.LifecycleManagingDatabaseService@721d8ab5' was successfully initialized, but failed to start. 
Please see the attached cause exception "Supported CypherOperatorEngineOption values are: compiled, interpreted".
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:465)
        at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:111)
        at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:157)
        ... 3 more
Caused by: java.lang.RuntimeException: Error starting database server at C:\Downloads\neo4j-community-4.0.3-windows\neo4j-community-4.0.3\data\databases
        at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.startDatabaseServer(DatabaseManagementServiceFactory.java:167)
        at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.build(DatabaseManagementServiceFactory.java:145)
        at org.neo4j.server.database.CommunityGraphFactory.newDatabaseManagementService(CommunityGraphFactory.java:36)
        at org.neo4j.server.database.LifecycleManagingDatabaseService.start(LifecycleManagingDatabaseService.java:88)
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:444)
        ... 5 more
Caused by: org.neo4j.kernel.lifecycle.LifecycleException: Component 'org.neo4j.dbms.database.DefaultSystemGraphInitializer@422b8438' was successfully initialized, but failed to start. 
Please see the attached cause exception "Supported CypherOperatorEngineOption values are: compiled, interpreted".
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:465)
        at org.neo4j.kernel.lifecycle.LifeSupport.start(LifeSupport.java:111)
        at org.neo4j.graphdb.facade.DatabaseManagementServiceFactory.startDatabaseServer(DatabaseManagementServiceFactory.java:158)
        ... 9 more
Caused by: org.neo4j.graphdb.DatabaseShutdownException: This database is shutdown.
        at org.neo4j.kernel.availability.DatabaseAvailabilityGuard.assertDatabaseAvailable(DatabaseAvailabilityGuard.java:172)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginKernelTransaction(GraphDatabaseFacade.java:185)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTransactionInternal(GraphDatabaseFacade.java:165)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTransaction(GraphDatabaseFacade.java:119)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTransaction(GraphDatabaseFacade.java:113)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTransaction(GraphDatabaseFacade.java:101)
        at org.neo4j.kernel.impl.factory.GraphDatabaseFacade.beginTx(GraphDatabaseFacade.java:96)
        at org.neo4j.dbms.database.DefaultSystemGraphInitializer.isSystemGraphEmpty(DefaultSystemGraphInitializer.java:100)
        at org.neo4j.dbms.database.DefaultSystemGraphInitializer.initializeSystemGraph(DefaultSystemGraphInitializer.java:76)
        at org.neo4j.dbms.database.DefaultSystemGraphInitializer.initializeSystemGraph(DefaultSystemGraphInitializer.java:69)
        at org.neo4j.dbms.database.SystemGraphInitializer.start(SystemGraphInitializer.java:30)
        at org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.start(LifeSupport.java:444)
        ... 11 more
Caused by: org.neo4j.exceptions.SyntaxException: Supported CypherOperatorEngineOption values are: compiled, interpreted
        at org.neo4j.cypher.CypherOptionCompanion.$anonfun$apply$1(CypherOption.scala:43)
        at scala.Option.getOrElse(Option.scala:121)
        at org.neo4j.cypher.CypherOptionCompanion.apply(CypherOption.scala:43)
        at org.neo4j.cypher.CypherOptionCompanion.apply$(CypherOption.scala:42)
        at org.neo4j.cypher.CypherOperatorEngineOption$.apply(CypherOperatorEngineOption.scala:24)
        at org.neo4j.cypher.internal.CypherConfiguration$.fromConfig(CypherConfiguration.scala:55)
        at org.neo4j.cypher.internal.CypherConfiguration.fromConfig(CypherConfiguration.scala)
        at org.neo4j.cypher.internal.javacompat.CommunityCypherEngineProvider.createEngine(CommunityCypherEngineProvider.java:57)
        at org.neo4j.kernel.impl.query.QueryEngineProvider.initialize(QueryEngineProvider.java:50)
        at org.neo4j.kernel.database.Database.start(Database.java:451)
        at org.neo4j.dbms.database.AbstractDatabaseManager.startDatabase(AbstractDatabaseManager.java:187)
        at org.neo4j.dbms.database.DefaultDatabaseManager.startDatabase(DefaultDatabaseManager.java:132)
        at org.neo4j.dbms.database.DefaultDatabaseManager.startDatabase(DefaultDatabaseManager.java:36)
        at org.neo4j.dbms.database.AbstractDatabaseManager.forEachDatabase(AbstractDatabaseManager.java:165)
        at org.neo4j.dbms.database.AbstractDatabaseManager.startAllDatabases(AbstractDatabaseManager.java:112)
        at org.neo4j.dbms.database.AbstractDatabaseManager.start(AbstractDatabaseManager.java:106)
        ... 12 more
2020-04-08 06:05:12.003+0000 INFO  Neo4j Server shutdown initiated by request

Why could be it happened?

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