Quick addition - this is on a 120GB machine and the app runs steady state 
consuming not more than 70GB of mem.

On Friday, August 5, 2016 at 11:38:48 AM UTC-7, John Fry wrote:
>
> Hi All,
>
> can someone help me decipher this exception below.
>
> Some background:
>
>    - I have 16 threads running batches that create properties on 
>    relationships
>    - There are about 200M relationships
>    - I am batching about 100K property creations per transaction before i 
>    close a transaction
>    - all threads and transaction complete without error (the properties 
>    appear in the .db when I manually check in the neo4j shell)
>    - the error occurs when calling db.shutdown(); 
>
> Thanks John.
>
>
> Exception in thread "main" org.neo4j.kernel.lifecycle.LifecycleException: 
> Component 'org.neo4j.kernel.NeoStoreDataSource@7c1110d4' failed to stop. 
> Please see attached cause exception.
>
> at 
> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.stop(LifeSupport.java:560)
>
> at 
> org.neo4j.kernel.lifecycle.LifeSupport.stopInstances(LifeSupport.java:161)
>
> at org.neo4j.kernel.lifecycle.LifeSupport.stop(LifeSupport.java:143)
>
> at 
> org.neo4j.kernel.impl.transaction.state.DataSourceManager.stop(DataSourceManager.java:132)
>
> at 
> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.stop(LifeSupport.java:552)
>
> at 
> org.neo4j.kernel.lifecycle.LifeSupport.stopInstances(LifeSupport.java:161)
>
> at org.neo4j.kernel.lifecycle.LifeSupport.stop(LifeSupport.java:143)
>
> at org.neo4j.kernel.lifecycle.LifeSupport.shutdown(LifeSupport.java:184)
>
> at 
> org.neo4j.kernel.impl.factory.GraphDatabaseFacade.shutdown(GraphDatabaseFacade.java:285)
>
> at PMIResultsToDB.threadedWrToDB(Unknown Source)
>
> at PMIResultsToDB.main(Unknown Source)
>
> Suppressed: org.neo4j.kernel.lifecycle.LifecycleException: Failed to 
> transition component 
> 'org.neo4j.kernel.impl.pagecache.PageCacheLifecycle@3fe0bec3' from STOPPED 
> to SHUTTING_DOWN. Please see attached cause exception
>
> at 
> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.shutdown(LifeSupport.java:591)
>
> at org.neo4j.kernel.lifecycle.LifeSupport.shutdown(LifeSupport.java:199)
>
> ... 3 more
>
> Caused by: java.lang.IllegalStateException: Cannot close the PageCache 
> while files are still mapped:
>
> neostore.counts.db.a (1 mapping)
>
> neostore (1 mapping)
>
> neostore.relationshipgroupstore.db (1 mapping)
>
> neostore.schemastore.db (1 mapping)
>
> neostore.labeltokenstore.db (1 mapping)
>
> neostore.labeltokenstore.db.names (1 mapping)
>
> neostore.relationshiptypestore.db (1 mapping)
>
> neostore.relationshiptypestore.db.names (1 mapping)
>
> neostore.relationshipstore.db (1 mapping)
>
> neostore.propertystore.db (1 mapping)
>
> neostore.propertystore.db.arrays (1 mapping)
>
> neostore.propertystore.db.strings (1 mapping)
>
> neostore.propertystore.db.index (1 mapping)
>
> neostore.propertystore.db.index.keys (1 mapping)
>
> neostore.nodestore.db (1 mapping)
>
> neostore.nodestore.db.labels (1 mapping)
>
> at 
> org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.close(MuninnPageCache.java:519)
>
> at 
> org.neo4j.kernel.impl.pagecache.PageCacheLifecycle.shutdown(PageCacheLifecycle.java:42)
>
> at 
> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.shutdown(LifeSupport.java:583)
>
> ... 4 more
>
> Caused by: java.lang.IllegalStateException: Weird, inUse was read in as 
> true but the record is 
> Property[134469435,used=false,prev=577553732818370560,next=1657324675757244416,node=288230376151711744]
>
> at 
> org.neo4j.kernel.impl.transaction.command.PhysicalLogCommandReaderV1_9$PhysicalNeoCommandReader.readPropertyRecord(PhysicalLogCommandReaderV1_9.java:500)
>
> at 
> org.neo4j.kernel.impl.transaction.command.PhysicalLogCommandReaderV1_9$PhysicalNeoCommandReader.visitPropertyCommand(PhysicalLogCommandReaderV1_9.java:199)
>
> at 
> org.neo4j.kernel.impl.transaction.command.Command$PropertyCommand.handle(Command.java:288)
>
> at 
> org.neo4j.kernel.impl.transaction.command.PhysicalLogCommandReaderV1_9.read(PhysicalLogCommandReaderV1_9.java:123)
>
> at 
> org.neo4j.kernel.impl.transaction.log.entry.LogEntryParsersV1_9$4.parse(LogEntryParsersV1_9.java:129)
>
> at 
> org.neo4j.kernel.impl.transaction.log.entry.LogEntryParsersV1_9$4.parse(LogEntryParsersV1_9.java:122)
>
> at 
> org.neo4j.kernel.impl.transaction.log.entry.VersionAwareLogEntryReader.readLogEntry(VersionAwareLogEntryReader.java:107)
>
> at 
> org.neo4j.kernel.NeoStoreDataSource$10.getTimestampForVersion(NeoStoreDataSource.java:863)
>
> at 
> org.neo4j.kernel.impl.transaction.log.PhysicalLogFileInformation.getFirstStartRecordTimestamp(PhysicalLogFileInformation.java:92)
>
> at 
> org.neo4j.kernel.impl.transaction.log.pruning.TransactionTimespanThreshold.reached(TransactionTimespanThreshold.java:54)
>
> at 
> org.neo4j.kernel.impl.transaction.log.pruning.ThresholdBasedPruneStrategy.prune(ThresholdBasedPruneStrategy.java:67)
>
> at 
> org.neo4j.kernel.impl.transaction.log.pruning.LogPruningImpl.pruneLogs(LogPruningImpl.java:54)
>
> at 
> org.neo4j.kernel.impl.transaction.log.checkpoint.CheckPointerImpl.doCheckPoint(CheckPointerImpl.java:188)
>
> at 
> org.neo4j.kernel.impl.transaction.log.checkpoint.CheckPointerImpl.forceCheckPoint(CheckPointerImpl.java:87)
>
> at org.neo4j.kernel.NeoStoreDataSource.stop(NeoStoreDataSource.java:1213)
>
> at 
> org.neo4j.kernel.lifecycle.LifeSupport$LifecycleInstance.stop(LifeSupport.java:552)
>
> ... 10 more
>

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