ERROR Unexpected error detected in bolt session 'bolt-54'. Failed to process a bolt message org.neo4j.bolt.runtime.BoltConnectionFatality: Failed to process a bolt message

[akshat_mittal]

Hello Team,

Neo4j Version = 3.5.3
OS = RHEL 7.x

Getting below error in neo4j.logs:

Exception in thread "CustomProcedureStorage" java.lang.OutOfMemoryError: Java heap space
2020-01-29 10:12:57.093+0530 WARN The client is unauthorized due to authentication failure.
2020-01-29 10:42:39.082+0530 ERROR Unexpected error detected in bolt session 'bolt-54'. Failed to process a bolt message
org.neo4j.bolt.runtime.BoltConnectionFatality: Failed to process a bolt message
at org.neo4j.bolt.v1.runtime.BoltStateMachineV1.handleFailure(BoltStateMachineV1.java:301)
at org.neo4j.bolt.v1.messaging.BoltStateMachineV1Context.handleFailure(BoltStateMachineV1Context.java:58)
at org.neo4j.bolt.v3.runtime.FailSafeBoltStateMachineState.process(FailSafeBoltStateMachineState.java:57)
at org.neo4j.bolt.v1.runtime.BoltStateMachineV1.nextState(BoltStateMachineV1.java:144)
at org.neo4j.bolt.v1.runtime.BoltStateMachineV1.process(BoltStateMachineV1.java:92)
at org.neo4j.bolt.messaging.BoltRequestMessageReader.lambda$doRead$1(BoltRequestMessageReader.java:89)
at org.neo4j.bolt.runtime.MetricsReportingBoltConnection.lambda$enqueue$0(MetricsReportingBoltConnection.java:68)
at org.neo4j.bolt.runtime.DefaultBoltConnection.processNextBatch(DefaultBoltConnection.java:191)
at org.neo4j.bolt.runtime.MetricsReportingBoltConnection.processNextBatch(MetricsReportingBoltConnection.java:86)
at org.neo4j.bolt.runtime.DefaultBoltConnection.processNextBatch(DefaultBoltConnection.java:139)
at org.neo4j.bolt.runtime.ExecutorBoltScheduler.executeBatch(ExecutorBoltScheduler.java:171)
at org.neo4j.bolt.runtime.ExecutorBoltScheduler.lambda$scheduleBatchOrHandleError$2(ExecutorBoltScheduler.java:154)
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.neo4j.bolt.messaging.BoltIOException: Bolt connection [/10.50.80.47:57947] will be closed because the client did not consume outgoing buffers for 00:15:00.000 which is not expected.
at org.neo4j.bolt.v1.transport.ChunkedOutput.flush(ChunkedOutput.java:136)
at org.neo4j.bolt.v1.transport.ChunkedOutput.messageSucceeded(ChunkedOutput.java:105)
at org.neo4j.bolt.v1.messaging.BoltResponseMessageWriterV1.packCompleteMessageOrFail(BoltResponseMessageWriterV1.java:105)
at org.neo4j.bolt.v1.messaging.BoltResponseMessageWriterV1.write(BoltResponseMessageWriterV1.java:79)
at org.neo4j.bolt.v1.messaging.ResultHandler$1.visit(ResultHandler.java:47)
at org.neo4j.bolt.v1.runtime.CypherAdapterStream.lambda$accept$0(CypherAdapterStream.java:75)
at org.neo4j.cypher.internal.compatibility.v3_5.runtime.executionplan.StandardInternalExecutionResult.accept(StandardInternalExecutionResult.scala:188)
at org.neo4j.cypher.internal.compatibility.ClosingExecutionResult$$anonfun$accept$2.apply$mcV$sp(ClosingExecutionResult.scala:158)
at org.neo4j.cypher.internal.compatibility.ClosingExecutionResult$$anonfun$accept$2.apply(ClosingExecutionResult.scala:158)
at org.neo4j.cypher.internal.compatibility.ClosingExecutionResult$$anonfun$accept$2.apply(ClosingExecutionResult.scala:158)
at org.neo4j.cypher.internal.compatibility.ClosingExecutionResult$$anonfun$safelyAndClose$1.apply(ClosingExecutionResult.scala:171)
at org.neo4j.cypher.exceptionHandler$runSafely$.apply(exceptionHandler.scala:89)
at org.neo4j.cypher.internal.compatibility.ClosingExecutionResult.safelyAndClose(ClosingExecutionResult.scala:174)
at org.neo4j.cypher.internal.compatibility.ClosingExecutionResult.accept(ClosingExecutionResult.scala:157)
at org.neo4j.bolt.v1.runtime.CypherAdapterStream.accept(CypherAdapterStream.java:73)
at org.neo4j.bolt.v1.messaging.ResultHandler.onRecords(ResultHandler.java:40)
at org.neo4j.bolt.v3.runtime.StreamingState.lambda$processStreamResultMessage$0(StreamingState.java:41)
at org.neo4j.bolt.v1.runtime.TransactionStateMachine$State.consumeResult(TransactionStateMachine.java:484)
at org.neo4j.bolt.v1.runtime.TransactionStateMachine$State$1.streamResult(TransactionStateMachine.java:328)
at org.neo4j.bolt.v1.runtime.TransactionStateMachine.streamResult(TransactionStateMachine.java:128)
at org.neo4j.bolt.v3.runtime.StreamingState.processStreamResultMessage(StreamingState.java:40)
at org.neo4j.bolt.v3.runtime.AbstractStreamingState.processUnsafe(AbstractStreamingState.java:44)

Regards
Akshat

[ganesh_sharma67]

java.lang.OutOfMemoryError: Java heap space

Looks like instance ran out of jvm memory. Try increasing jvm memory in neo4j.conf and restart.

[akshat_mittal]

Hello Ganesh,

It is already set to 17GB.

Best Regards
Akshat

[akshat_mittal]

Hello Ganesh,

It is already set to 17GB.

Best Regards
Akshat