Transaction was marked as successful, but unable to commit transaction so rolled back.
org.neo4j.graphdb.TransactionFailureException: Transaction was marked as successful, but unable to commit transaction so rolled back.
	at org.neo4j.kernel.impl.coreapi.TopLevelTransaction.close(TopLevelTransaction.java:101)
	at org.neo4j.cypher.internal.compiler.v3_1.pipes.DistinctVarLengthExpandPipeTest$$anonfun$7.apply$mcV$sp(DistinctVarLengthExpandPipeTest.scala:197)
	at org.neo4j.cypher.internal.compiler.v3_1.pipes.DistinctVarLengthExpandPipeTest$$anonfun$7.apply(DistinctVarLengthExpandPipeTest.scala:162)
	at org.neo4j.cypher.internal.compiler.v3_1.pipes.DistinctVarLengthExpandPipeTest$$anonfun$7.apply(DistinctVarLengthExpandPipeTest.scala:162)
	at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
	at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
	at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
	at org.scalatest.Transformer.apply(Transformer.scala:22)
	at org.scalatest.Transformer.apply(Transformer.scala:20)
	at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166)
	at org.scalatest.Suite$class.withFixture(Suite.scala:1122)
	at org.neo4j.cypher.internal.frontend.v3_1.test_helpers.CypherFunSuite.withFixture(CypherFunSuite.scala:31)
	at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
	at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
	at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
	at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
	at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
	at org.neo4j.cypher.internal.frontend.v3_1.test_helpers.CypherFunSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(CypherFunSuite.scala:31)
	at org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:255)
	at org.neo4j.cypher.internal.frontend.v3_1.test_helpers.CypherFunSuite.runTest(CypherFunSuite.scala:31)
	at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
	at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
	at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
	at scala.collection.immutable.List.foreach(List.scala:381)
	at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
	at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
	at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
	at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
	at org.neo4j.cypher.internal.frontend.v3_1.test_helpers.CypherFunSuite.runTests(CypherFunSuite.scala:31)
	at org.scalatest.Suite$class.run(Suite.scala:1424)
	at org.neo4j.cypher.internal.frontend.v3_1.test_helpers.CypherFunSuite.org$scalatest$FunSuiteLike$$super$run(CypherFunSuite.scala:31)
	at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
	at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
	at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
	at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
	at org.neo4j.cypher.internal.frontend.v3_1.test_helpers.CypherFunSuite.run(CypherFunSuite.scala:31)
	at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:55)
	at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2563)
	at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$3.apply(Runner.scala:2557)
	at scala.collection.immutable.List.foreach(List.scala:381)
	at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:2557)
	at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1044)
	at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1043)
	at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:2722)
	at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1043)
	at org.scalatest.tools.Runner$.run(Runner.scala:883)
	at org.scalatest.tools.Runner.run(Runner.scala)
	at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.runScalaTest2(ScalaTestRunner.java:138)
	at org.jetbrains.plugins.scala.testingSupport.scalaTest.ScalaTestRunner.main(ScalaTestRunner.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
Caused by: org.neo4j.kernel.api.exceptions.TransactionFailureException: Could not apply the transaction to the store after written to log
	at org.neo4j.kernel.impl.api.TransactionRepresentationCommitProcess.applyToStore(TransactionRepresentationCommitProcess.java:82)
	at org.neo4j.kernel.impl.api.TransactionRepresentationCommitProcess.commit(TransactionRepresentationCommitProcess.java:51)
	at org.neo4j.kernel.impl.api.KernelTransactionImplementation.commit(KernelTransactionImplementation.java:608)
	at org.neo4j.kernel.impl.api.KernelTransactionImplementation.closeTransaction(KernelTransactionImplementation.java:484)
	at org.neo4j.kernel.api.KernelTransaction.close(KernelTransaction.java:135)
	at org.neo4j.kernel.impl.coreapi.TopLevelTransaction.close(TopLevelTransaction.java:79)
	... 54 more
Caused by: org.neo4j.kernel.impl.store.UnderlyingStorageException: java.io.IOException: Exception in the page eviction thread
	at org.neo4j.kernel.impl.store.CommonAbstractStore.updateRecord(CommonAbstractStore.java:1077)
	at org.neo4j.kernel.impl.transaction.command.NeoStoreTransactionApplier.visitRelationshipCommand(NeoStoreTransactionApplier.java:81)
	at org.neo4j.kernel.impl.transaction.command.Command$RelationshipCommand.handle(Command.java:260)
	at org.neo4j.kernel.impl.api.TransactionApplierFacade.visit(TransactionApplierFacade.java:61)
	at org.neo4j.kernel.impl.api.TransactionApplierFacade.visit(TransactionApplierFacade.java:35)
	at org.neo4j.kernel.impl.transaction.log.PhysicalTransactionRepresentation.accept(PhysicalTransactionRepresentation.java:69)
	at org.neo4j.kernel.impl.api.TransactionToApply.accept(TransactionToApply.java:111)
	at org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageEngine.apply(RecordStorageEngine.java:349)
	at org.neo4j.kernel.impl.api.TransactionRepresentationCommitProcess.applyToStore(TransactionRepresentationCommitProcess.java:78)
	... 59 more
Caused by: java.io.IOException: Exception in the page eviction thread
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.assertHealthy(MuninnPageCache.java:645)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.grabFreeAndExclusivelyLockedPage(MuninnPageCache.java:699)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPagedFile.grabFreeAndExclusivelyLockedPage(MuninnPagedFile.java:507)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCursor.pageFault(MuninnPageCursor.java:314)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCursor.initiatePageFault(MuninnPageCursor.java:287)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCursor.uncommonPin(MuninnPageCursor.java:268)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCursor.pin(MuninnPageCursor.java:251)
	at org.neo4j.io.pagecache.impl.muninn.MuninnWritePageCursor.next(MuninnWritePageCursor.java:72)
	at org.neo4j.kernel.impl.store.CommonAbstractStore.updateRecord(CommonAbstractStore.java:1054)
	... 67 more
Caused by: java.io.IOException: java.lang.IllegalArgumentException: java.nio.DirectByteBuffer[pos=0 lim=2097152 cap=2097152], 2913120
	at org.neo4j.io.pagecache.impl.SingleFilePageSwapper.swapOut(SingleFilePageSwapper.java:278)
	at org.neo4j.io.pagecache.impl.SingleFilePageSwapper.write(SingleFilePageSwapper.java:435)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPage.doFlush(MuninnPage.java:154)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPage.flush(MuninnPage.java:142)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPage.evict(MuninnPage.java:209)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.evictPage(MuninnPageCache.java:966)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.evictPages(MuninnPageCache.java:921)
	at org.neo4j.io.pagecache.impl.muninn.MuninnPageCache.continuouslySweepPages(MuninnPageCache.java:847)
	at org.neo4j.io.pagecache.impl.muninn.EvictionTask.run(EvictionTask.java:39)
	at org.neo4j.io.pagecache.impl.muninn.BackgroundTask.run(BackgroundTask.java:45)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalArgumentException: java.nio.DirectByteBuffer[pos=0 lim=2097152 cap=2097152], 2913120
	at org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction$DynamicByteBuffer.put(EphemeralFileSystemAbstraction.java:1233)
	at org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction$EphemeralFileData.write(EphemeralFileSystemAbstraction.java:956)
	at org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction$EphemeralFileChannel.write(EphemeralFileSystemAbstraction.java:833)
	at org.neo4j.io.fs.StoreFileChannel.write(StoreFileChannel.java:50)
	at org.neo4j.io.fs.StoreFileChannel.writeAll(StoreFileChannel.java:65)
	at org.neo4j.io.pagecache.impl.SingleFilePageSwapper.swapOut(SingleFilePageSwapper.java:270)
	... 12 more
Caused by: java.lang.IllegalArgumentException
	at java.nio.Buffer.position(Buffer.java:244)
	at org.neo4j.graphdb.mockfs.EphemeralFileSystemAbstraction$DynamicByteBuffer.put(EphemeralFileSystemAbstraction.java:1229)
	... 17 more