Can you tell me more about your use of Neo4j and the history of this store?
Were there crashes, out of disk situations or hard kills? Or any other
unusual incidents?
Perhaps you can even share a compressed copy with us / our engineering so
that we can do some forensics?

To recover/repair, try my store utils to transform the store to a fixed
copy, while skipping and logging the invalid records.

https://github.com/jexp/store-utils

Michael

On Tue, Aug 30, 2016 at 10:49 AM, Ray Chengr <[email protected]> wrote:

> Hi Michael,
>
> This was the result of consistency check while Neo4j 3.0.3 was stopped:
>
> # java -cp 'lib/*:system/lib/*' org.neo4j.consistency.ConsistencyCheckTool
> /data/databases/graph.db
> Exception in thread "main" java.lang.IllegalArgumentException: Unknown
> entry type 34 for version 0. At position LogPosition{logVersion=3203,
> byteOffset=16} and entry version V2_0
>     at org.neo4j.kernel.impl.transaction.log.entry.
> LogEntryVersion.entryParser(LogEntryVersion.java:141)
>     at org.neo4j.kernel.impl.transaction.log.entry.
> VersionAwareLogEntryReader.readLogEntry(VersionAwareLogEntryReader.
> java:84)
>     at org.neo4j.kernel.impl.transaction.log.LogEntryCursor.next(
> LogEntryCursor.java:53)
>     at org.neo4j.kernel.recovery.LatestCheckPointFinder.find(
> LatestCheckPointFinder.java:77)
>     at org.neo4j.kernel.recovery.PositionToRecoverFrom.apply(
> PositionToRecoverFrom.java:53)
>     at org.neo4j.kernel.impl.recovery.RecoveryRequiredChecker.
> isRecoveryRequiredAt(RecoveryRequiredChecker.java:69)
>     at org.neo4j.consistency.ConsistencyCheckTool.checkDbState(
> ConsistencyCheckTool.java:115)
>     at org.neo4j.consistency.ConsistencyCheckTool.run(
> ConsistencyCheckTool.java:92)
>     at org.neo4j.consistency.ConsistencyCheckTool.runConsistencyCheckTool(
> ConsistencyCheckTool.java:69)
>     at org.neo4j.consistency.ConsistencyCheckTool.main(
> ConsistencyCheckTool.java:56)
>
> Also, neo4j.log in our Neo4j 3.0.3 Community Edition produces these
> messages continuously while we are inserting relationships (not sure about
> inserting nodes due to the amount of log lines):
>
> 2016-08-30 08:26:36.179+0000 ERROR Failed to commit transaction.
> Relationship[499972766,used=false,source=-1,target=-1,
> type=-1,sCount=1,sNext=-1,tCount=1,tNext=-1,prop=-1,secondaryUnitId=-1,
> sFirst, tFirst] not in use
> org.neo4j.kernel.impl.store.InvalidRecordException:
> Relationship[499972766,used=false,source=-1,target=-1,
> type=-1,sCount=1,sNext=-1,tCount=1,tNext=-1,prop=-1,secondaryUnitId=-1,
> sFirst, tFirst] not in use
>     at org.neo4j.kernel.impl.store.record.RecordLoad.verify(
> RecordLoad.java:63)
>     at org.neo4j.kernel.impl.store.CommonAbstractStore.verifyAfterReading(
> CommonAbstractStore.java:1263)
>     at org.neo4j.kernel.impl.store.CommonAbstractStore.readIntoRecord(
> CommonAbstractStore.java:1047)
>     at org.neo4j.kernel.impl.store.CommonAbstractStore.getRecord(
> CommonAbstractStore.java:1025)
>     at org.neo4j.kernel.impl.transaction.state.Loaders$3.
> load(Loaders.java:200)
>     at org.neo4j.kernel.impl.transaction.state.Loaders$3.
> load(Loaders.java:190)
>     at org.neo4j.kernel.impl.transaction.state.RecordChanges.getOrLoad(
> RecordChanges.java:72)
>     at org.neo4j.kernel.impl.transaction.state.
> RelationshipCreator.connect(RelationshipCreator.java:203)
>     at org.neo4j.kernel.impl.transaction.state.RelationshipCreator.
> connectRelationshipToDenseNode(RelationshipCreator.java:165)
>     at org.neo4j.kernel.impl.transaction.state.RelationshipCreator.
> connectRelationship(RelationshipCreator.java:143)
>     at org.neo4j.kernel.impl.transaction.state.RelationshipCreator.
> relationshipCreate(RelationshipCreator.java:67)
>     at org.neo4j.kernel.impl.transaction.state.TransactionRecordState.
> relCreate(TransactionRecordState.java:282)
>     at org.neo4j.kernel.impl.storageengine.impl.recordstorage.
> TransactionToRecordStateVisitor.visitCreatedRelationship(
> TransactionToRecordStateVisitor.java:96)
>     at org.neo4j.storageengine.api.txstate.TxStateVisitor$Delegator.
> visitCreatedRelationship(TxStateVisitor.java:227)
>     at org.neo4j.kernel.api.txstate.TransactionCountingStateVisito
> r.visitCreatedRelationship(TransactionCountingStateVisitor.java:108)
>     at org.neo4j.kernel.impl.api.state.TxState$15.visitAddedRelationship(
> TxState.java:376)
>     at org.neo4j.kernel.api.txstate.RelationshipChangeVisitorAdapt
> er$1.visit(RelationshipChangeVisitorAdapter.java:125)
>     at org.neo4j.kernel.impl.api.state.RelationshipStateImpl.
> accept(RelationshipStateImpl.java:52)
>     at org.neo4j.kernel.impl.api.state.TxState.relationshipVisit(TxState.
> java:1539)
>     at org.neo4j.kernel.api.txstate.RelationshipChangeVisitorAdapt
> er$1.visit(RelationshipChangeVisitorAdapter.java:115)
>     at org.neo4j.kernel.api.txstate.RelationshipChangeVisitorAdapt
> er.visitAddedRelationship(RelationshipChangeVisitorAdapter.java:66)
>     at org.neo4j.kernel.api.txstate.RelationshipChangeVisitorAdapt
> er.visitAdded(RelationshipChangeVisitorAdapter.java:90)
>     at org.neo4j.kernel.api.txstate.RelationshipChangeVisitorAdapt
> er.visitAdded(RelationshipChangeVisitorAdapter.java:49)
>     at org.neo4j.kernel.impl.util.diffsets.SuperDiffSets.accept(
> SuperDiffSets.java:66)
>     at org.neo4j.kernel.impl.util.diffsets.RelationshipDiffSets.
> accept(RelationshipDiffSets.java:43)
>     at org.neo4j.kernel.impl.api.state.TxState.accept(TxState.java:265)
>     at org.neo4j.kernel.impl.storageengine.impl.recordstorage.
> RecordStorageEngine.createCommands(RecordStorageEngine.java:312)
>     at org.neo4j.kernel.impl.api.KernelTransactionImplementation.commit(
> KernelTransactionImplementation.java:437)
>     at org.neo4j.kernel.impl.api.KernelTransactionImplementation.close(
> KernelTransactionImplementation.java:386)
>     at org.neo4j.server.rest.transactional.TransitionalTxManagementKernel
> Transaction.commit(TransitionalTxManagementKernelTransaction.java:92)
>     at org.neo4j.server.rest.transactional.TransactionHandle.
> closeContextAndCollectErrors(TransactionHandle.java:243)
>     at org.neo4j.server.rest.transactional.TransactionHandle.commit(
> TransactionHandle.java:151)
>     at org.neo4j.server.rest.web.TransactionalService.lambda$
> executeStatementsAndCommit$28(TransactionalService.java:202)
>     at com.sun.jersey.core.impl.provider.entity.StreamingOutputProvider.
> writeTo(StreamingOutputProvider.java:71)
>     at com.sun.jersey.core.impl.provider.entity.StreamingOutputProvider.
> writeTo(StreamingOutputProvider.java:57)
>     at com.sun.jersey.spi.container.ContainerResponse.write(
> ContainerResponse.java:302)
>     at com.sun.jersey.server.impl.application.WebApplicationImpl._
> handleRequest(WebApplicationImpl.java:1510)
>     at com.sun.jersey.server.impl.application.WebApplicationImpl.
> handleRequest(WebApplicationImpl.java:1419)
>     at com.sun.jersey.server.impl.application.WebApplicationImpl.
> handleRequest(WebApplicationImpl.java:1409)
>     at com.sun.jersey.spi.container.servlet.WebComponent.service(
> WebComponent.java:409)
>     at com.sun.jersey.spi.container.servlet.ServletContainer.
> service(ServletContainer.java:558)
>     at com.sun.jersey.spi.container.servlet.ServletContainer.
> service(ServletContainer.java:733)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
>     at org.eclipse.jetty.servlet.ServletHolder.handle(
> ServletHolder.java:808)
>     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.
> doFilter(ServletHandler.java:1669)
>     at org.neo4j.server.rest.web.CollectUserAgentFilter.doFilter(
> CollectUserAgentFilter.java:69)
>     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.
> doFilter(ServletHandler.java:1652)
>     at org.eclipse.jetty.servlet.ServletHandler.doHandle(
> ServletHandler.java:585)
>     at org.eclipse.jetty.server.session.SessionHandler.
> doHandle(SessionHandler.java:221)
>     at org.eclipse.jetty.server.handler.ContextHandler.
> doHandle(ContextHandler.java:1127)
>     at org.eclipse.jetty.servlet.ServletHandler.doScope(
> ServletHandler.java:515)
>     at org.eclipse.jetty.server.session.SessionHandler.
> doScope(SessionHandler.java:185)
>     at org.eclipse.jetty.server.handler.ContextHandler.
> doScope(ContextHandler.java:1061)
>     at org.eclipse.jetty.server.handler.ScopedHandler.handle(
> ScopedHandler.java:141)
>     at org.eclipse.jetty.server.handler.HandlerList.handle(
> HandlerList.java:52)
>     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> HandlerWrapper.java:97)
>     at org.eclipse.jetty.server.Server.handle(Server.java:497)
>     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
>     at org.eclipse.jetty.server.HttpConnection.onFillable(
> HttpConnection.java:257)
>     at org.eclipse.jetty.io.AbstractConnection$2.run(
> AbstractConnection.java:540)
>     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(
> QueuedThreadPool.java:635)
>     at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(
> QueuedThreadPool.java:555)
>     at java.lang.Thread.run(Thread.java:745)
>
> Is there a way to fix our Neo4j?
>
> Thanks,
> Ray
>
>
> On Sunday, August 28, 2016 at 3:11:39 PM UTC-7, Michael Hunger wrote:
>>
>> Can you run a consistency check on your store?
>>
>> https://neo4j.com/developer/kb/how-do-i-run-consistency-check-manually/
>>
>> Thx
>>
>> Am 29.08.2016 um 00:02 schrieb Ray Chengr <[email protected]>:
>>
>> On our Neo4j 3.0.3, I tried to delete relationships and nodes from the
>> browser by:
>>
>> match (n:node_type_A {day: 17016}) detach delete(n)
>>
>> I got this error:
>>
>> Relationship[482224340,used=false,source=-1,target=-1,type=-1,sCount=1,sNext=-1,tCount=1,tNext=-1,prop=-1,
>> secondaryUnitId=-1, sFirst, tFirst] not in use
>>
>>
>> match (n:node_type_A {day: 17016})-[r]->(m) with n, r limit 1000 delete
>> n, r return count(n) as deletedRelsCount
>>
>> also gave me exactly the same error message. 482224340 may be the ID of a
>> relationship. I guess there is an inconsistency of this particular
>> relationship within Neo4j.
>>
>> Is there a way (or tool) to delete this "abnormal-shaped" relationship so
>> that I can delete the rest of relationships?
>> Thanks!
>>
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