[ https://issues.apache.org/jira/browse/PROTON-2621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Timothy A. Bish resolved PROTON-2621. ------------------------------------- Resolution: Fixed > [proton-dotnet] OpenSession() fail when using multiple connections > ------------------------------------------------------------------ > > Key: PROTON-2621 > URL: https://issues.apache.org/jira/browse/PROTON-2621 > Project: Qpid Proton > Issue Type: Bug > Components: proton-dotnet > Affects Versions: proton-dotnet-1.0.0-M4 > Reporter: Petr Matousek > Assignee: Timothy A. Bish > Priority: Major > Fix For: proton-dotnet-1.0.0-M5 > > Attachments: Program.cs, coredump.txt > > > I see that the client occasionally crashes with the following exception on > OpenSession call when using multiple (2+) connections: > {code:java} > Unhandled exception. > Apache.Qpid.Proton.Client.Exceptions.ClientConnectionRemotelyClosedException: > The key already existed in the dictionary. > {code} > I was unable to reproduce the issue with single connection. I'm attaching > the reproducer (needs to be run multiple times to hit the issue) and the > coredump. This was seen on RHEL8. The client was connecting to Red Hat AMQ > 7.10.0.GA Broker. > full trace: > {code:java} > [root@dtests-rhel8x-tn-base Example.CreateSession]# PN_TRACE_FRM=1 dotnet run > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > -> SASL:[1435533887:0] AMQP,3,1,0,0 > -> SASL:[-1465308719:0] AMQP,3,1,0,0 > -> SASL:[784769366:0] AMQP,3,1,0,0 > -> SASL:[-2054909097:0] AMQP,3,1,0,0 > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > <- SASL:[-1465308719:0] AMQP,3,1,0,0 > <- SASL:[1435533887:0] AMQP,3,1,0,0 > <- SASL:[1435533887:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[1435533887:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > -> SASL:[-2144030978:0] AMQP,3,1,0,0 > -> SASL:[1188878611:0] AMQP,3,1,0,0 > -> SASL:[1563351650:0] AMQP,3,1,0,0 > -> SASL:[-1631994231:0] AMQP,3,1,0,0 > -> SASL:[-607077024:0] AMQP,3,1,0,0 > -> SASL:[1519399825:0] AMQP,3,1,0,0 > <- SASL:[784769366:0] AMQP,3,1,0,0 > <- SASL:[784769366:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[784769366:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > <- SASL:[-2054909097:0] AMQP,3,1,0,0 > <- SASL:[-2054909097:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[-2054909097:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > <- SASL:[-2144030978:0] AMQP,3,1,0,0 > <- SASL:[-2144030978:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[-2144030978:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > <- SASL:[1435533887:0] Ok > -> AMQP:[1435533887:0] AMQP,0,1,0,0 > <- SASL:[-2144030978:0] Ok > -> AMQP:[-2144030978:0] AMQP,0,1,0,0 > <- AMQP:[-2144030978:0] AMQP,0,1,0,0 > <- AMQP:[1435533887:0] AMQP,0,1,0,0 > -> AMQP:[-2144030978:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:6', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > -> AMQP:[1435533887:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > <- SASL:[-1631994231:0] AMQP,3,1,0,0 > <- SASL:[-1631994231:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[-1631994231:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > <- SASL:[784769366:0] Ok > -> AMQP:[784769366:0] AMQP,0,1,0,0 > <- AMQP:[784769366:0] AMQP,0,1,0,0 > -> AMQP:[784769366:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:3', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > <- SASL:[-2054909097:0] Ok > -> AMQP:[-2054909097:0] AMQP,0,1,0,0 > <- AMQP:[-2054909097:0] AMQP,0,1,0,0 > -> AMQP:[-2054909097:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:4', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > <- SASL:[1519399825:0] AMQP,3,1,0,0 > <- SASL:[1519399825:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[1519399825:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > <- SASL:[1563351650:0] AMQP,3,1,0,0 > <- SASL:[1563351650:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[1563351650:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > <- SASL:[1188878611:0] AMQP,3,1,0,0 > <- SASL:[1188878611:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[1188878611:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > <- SASL:[-607077024:0] AMQP,3,1,0,0 > <- SASL:[-607077024:0] SaslMechanisms\{mechanisms=PLAIN,ANONYMOUS} > -> SASL:[-607077024:0] SaslInit\{mechanismPLAIN, > initialResponse="%00admin%00admin", hostname=} > -> AMQP:[1435533887:0] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > -> AMQP:[1435533887:1] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > -> AMQP:[1435533887:2] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > -> AMQP:[1435533887:3] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > -> AMQP:[1435533887:4] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > -> AMQP:[1435533887:5] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > -> AMQP:[1435533887:6] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- SASL:[-607077024:0] Ok > -> AMQP:[-607077024:0] AMQP,0,1,0,0 > <- AMQP:[-607077024:0] AMQP,0,1,0,0 > -> AMQP:[-607077024:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:10', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > <- SASL:[1188878611:0] Ok > -> AMQP:[1188878611:0] AMQP,0,1,0,0 > <- SASL:[1563351650:0] Ok > -> AMQP:[1563351650:0] AMQP,0,1,0,0 > <- AMQP:[1188878611:0] AMQP,0,1,0,0 > -> AMQP:[1188878611:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:5', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > <- AMQP:[1563351650:0] AMQP,0,1,0,0 > -> AMQP:[1563351650:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:7', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > <- SASL:[-1631994231:0] Ok > -> AMQP:[-1631994231:0] AMQP,0,1,0,0 > <- AMQP:[-1631994231:0] AMQP,0,1,0,0 > -> AMQP:[-1631994231:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:9', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > <- AMQP:[1435533887:0] Open\{ containerId='amq', hostname='', > maxFrameSize=131072, channelMax=65535, idleTimeOut=30000, > outgoingLocales=null, incomingLocales=null, > offeredCapabilities=Apache.Qpid.Proton.Types.Symbol[], > desiredCapabilities=null, > properties=System.Collections.Generic.Dictionary`2[Apache.Qpid.Proton.Types.Symbol,System.Object]} > -> AMQP:[784769366:0] Close\{error=Error{condition=amqp:internal-error, > description='The key already existed in the dictionary.', info=}} > <- AMQP:[-2054909097:0] Open\{ containerId='amq', hostname='', > maxFrameSize=131072, channelMax=65535, idleTimeOut=30000, > outgoingLocales=null, incomingLocales=null, > offeredCapabilities=Apache.Qpid.Proton.Types.Symbol[], > desiredCapabilities=null, > properties=System.Collections.Generic.Dictionary`2[Apache.Qpid.Proton.Types.Symbol,System.Object]} > <- SASL:[1519399825:0] Ok > -> AMQP:[1519399825:0] AMQP,0,1,0,0 > <- AMQP:[1519399825:0] AMQP,0,1,0,0 > -> AMQP:[1519399825:0] Open\{ > containerId='ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:8', > hostname='localhost', maxFrameSize=65536, channelMax=65535, > idleTimeOut=60000, outgoingLocales=null, incomingLocales=null, > offeredCapabilities=null, > desiredCapabilities=Apache.Qpid.Proton.Types.Symbol[], properties=} > <- AMQP:[-2144030978:0] Open\{ containerId='amq', hostname='', > maxFrameSize=131072, channelMax=65535, idleTimeOut=30000, > outgoingLocales=null, incomingLocales=null, > offeredCapabilities=Apache.Qpid.Proton.Types.Symbol[], > desiredCapabilities=null, > properties=System.Collections.Generic.Dictionary`2[Apache.Qpid.Proton.Types.Symbol,System.Object]} > <- AMQP:[1188878611:0] Open\{ containerId='amq', hostname='', > maxFrameSize=131072, channelMax=65535, idleTimeOut=30000, > outgoingLocales=null, incomingLocales=null, > offeredCapabilities=Apache.Qpid.Proton.Types.Symbol[], > desiredCapabilities=null, > properties=System.Collections.Generic.Dictionary`2[Apache.Qpid.Proton.Types.Symbol,System.Object]} > <- AMQP:[-607077024:0] Open\{ containerId='amq', hostname='', > maxFrameSize=131072, channelMax=65535, idleTimeOut=30000, > outgoingLocales=null, incomingLocales=null, > offeredCapabilities=Apache.Qpid.Proton.Types.Symbol[], > desiredCapabilities=null, > properties=System.Collections.Generic.Dictionary`2[Apache.Qpid.Proton.Types.Symbol,System.Object]} > <- AMQP:[1563351650:0] Open\{ containerId='amq', hostname='', > maxFrameSize=131072, channelMax=65535, idleTimeOut=30000, > outgoingLocales=null, incomingLocales=null, > offeredCapabilities=Apache.Qpid.Proton.Types.Symbol[], > desiredCapabilities=null, > properties=System.Collections.Generic.Dictionary`2[Apache.Qpid.Proton.Types.Symbol,System.Object]} > <- AMQP:[1435533887:0] Begin\{remoteChannel=0, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- AMQP:[1519399825:0] Open\{ containerId='amq', hostname='', > maxFrameSize=131072, channelMax=65535, idleTimeOut=30000, > outgoingLocales=null, incomingLocales=null, > offeredCapabilities=Apache.Qpid.Proton.Types.Symbol[], > desiredCapabilities=null, > properties=System.Collections.Generic.Dictionary`2[Apache.Qpid.Proton.Types.Symbol,System.Object]} > <- AMQP:[-1631994231:0] Open\{ containerId='amq', hostname='', > maxFrameSize=131072, channelMax=65535, idleTimeOut=30000, > outgoingLocales=null, incomingLocales=null, > offeredCapabilities=Apache.Qpid.Proton.Types.Symbol[], > desiredCapabilities=null, > properties=System.Collections.Generic.Dictionary`2[Apache.Qpid.Proton.Types.Symbol,System.Object]} > -> AMQP:[1435533887:7] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- AMQP:[1435533887:1] Begin\{remoteChannel=1, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- AMQP:[1435533887:2] Begin\{remoteChannel=2, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- AMQP:[1435533887:3] Begin\{remoteChannel=3, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- AMQP:[1435533887:4] Begin\{remoteChannel=4, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- AMQP:[1435533887:5] Begin\{remoteChannel=5, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- AMQP:[1435533887:6] Begin\{remoteChannel=6, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > -> AMQP:[1435533887:8] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:1] > -> AMQP:[1435533887:9] Begin\{remoteChannel=null, nextOutgoingId=0, > incomingWindow=1600, outgoingWindow=2147483647, handleMax=null, > offeredCapabilities=null, desiredCapabilities=null, properties=} > ClientConnection:[ID:25035127-93c5-401a-a8d5-1252c79d2dbd:1:2] > Unhandled exception. <- AMQP:[1435533887:7] Begin\{remoteChannel=7, > nextOutgoingId=1, incomingWindow=2147483647, outgoingWindow=2147483647, > handleMax=65535, offeredCapabilities=null, desiredCapabilities=null, > properties=} > <- AMQP:[1435533887:8] Begin\{remoteChannel=8, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > <- AMQP:[1435533887:9] Begin\{remoteChannel=9, nextOutgoingId=1, > incomingWindow=2147483647, outgoingWindow=2147483647, handleMax=65535, > offeredCapabilities=null, desiredCapabilities=null, properties=} > Apache.Qpid.Proton.Client.Exceptions.ClientConnectionRemotelyClosedException: > The key already existed in the dictionary. > ---> Apache.Qpid.Proton.Engine.Exceptions.ProtonException: The key already > existed in the dictionary. > ---> System.ArgumentException: The key already existed in the dictionary. > at > System.Collections.Concurrent.ConcurrentDictionary`2.System.Collections.Generic.IDictionary<TKey,TValue>.Add(TKey > key, TValue value) > at > System.Collections.Generic.CollectionExtensions.TryAdd[TKey,TValue](IDictionary`2 > dictionary, TKey key, TValue value) > at Apache.Qpid.Proton.Types.Symbol.ToString() in > /root/qpid-proton-dotnet/src/Proton/Types/Symbol.cs:line 177 > at > Apache.Qpid.Proton.Types.Security.SaslMechanisms.<>c.<ToString>b__13_0(Symbol > item) in > /root/qpid-proton-dotnet/src/Proton/Types/Security/SaslMechanisms.cs:line 68 > at System.Array.ConvertAll[TInput,TOutput](TInput[] array, Converter`2 > converter) > at Apache.Qpid.Proton.Types.Security.SaslMechanisms.ToString() in > /root/qpid-proton-dotnet/src/Proton/Types/Security/SaslMechanisms.cs:line 68 > at System.Text.ValueStringBuilder.AppendFormatHelper(IFormatProvider > provider, String format, ParamsArray args) > at System.String.FormatHelper(IFormatProvider provider, String format, > ParamsArray args) > at System.String.Format(String format, Object[] args) > at > Apache.Qpid.Proton.Engine.Implementation.ProtonFrameLoggingHandler.Trace(String > prefix, Int32 connection, Int32 channel, Object performative, IProtonBuffer > payload) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonFrameLoggingHandler.cs:line > 161 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonFrameLoggingHandler.HandleRead(IEngineHandlerContext > context, SaslEnvelope envelope) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonFrameLoggingHandler.cs:line > 81 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonEngineHandlerContext.InvokeHandlerRead(SaslEnvelope > envelope) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonEngineHandlerContext.cs:line > 162 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonEngineHandlerContext.FireRead(SaslEnvelope > envelope) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonEngineHandlerContext.cs:line > 106 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonFrameDecodingHandler.HandleRead(IEngineHandlerContext > context, SaslEnvelope envelope) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonFrameDecodingHandler.cs:line > 117 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonFrameDecodingHandler.FrameBodyParsingStage.Parse(IEngineHandlerContext > context, IProtonBuffer input) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonFrameDecodingHandler.cs:line > 426 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonFrameDecodingHandler.FrameSizeParsingStage.Parse(IEngineHandlerContext > context, IProtonBuffer input) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonFrameDecodingHandler.cs:line > 282 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonFrameDecodingHandler.HandleRead(IEngineHandlerContext > context, IProtonBuffer buffer) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonFrameDecodingHandler.cs:line > 93 > --- End of inner exception stack trace --- > at > Apache.Qpid.Proton.Engine.Implementation.ProtonFrameDecodingHandler.ParsingErrorStage.FireError(IEngineHandlerContext > context) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonFrameDecodingHandler.cs:line > 467 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonFrameDecodingHandler.HandleRead(IEngineHandlerContext > context, IProtonBuffer buffer) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonFrameDecodingHandler.cs:line > 110 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonEngineHandlerContext.InvokeHandlerRead(IProtonBuffer > buffer) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonEngineHandlerContext.cs:line > 172 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonEngineHandlerContext.FireRead(IProtonBuffer > buffer) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonEngineHandlerContext.cs:line > 96 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonEnginePipeline.FireRead(IProtonBuffer > input) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonEnginePipeline.cs:line > 340 > at > Apache.Qpid.Proton.Engine.Implementation.ProtonEngine.Ingest(IProtonBuffer > input) in > /root/qpid-proton-dotnet/src/Proton/Engine/Implementation/ProtonEngine.cs:line > 237 > --- End of inner exception stack trace --- > at > Apache.Qpid.Proton.Client.Implementation.ClientConnection.CheckClosedOrFailed() > in > /root/qpid-proton-dotnet/src/Proton.Client/Client/Implementation/ClientConnection.cs:line > 611 > at > Apache.Qpid.Proton.Client.Implementation.ClientConnection.OpenSessionAsync(SessionOptions > options) in > /root/qpid-proton-dotnet/src/Proton.Client/Client/Implementation/ClientConnection.cs:line > 207 > at > Apache.Qpid.Proton.Client.Implementation.ClientConnection.OpenSession(SessionOptions > options) in > /root/qpid-proton-dotnet/src/Proton.Client/Client/Implementation/ClientConnection.cs:line > 202 > at Apache.Qpid.Proton.Examples.HelloWorld.Program.Main(String[] args) in > /root/qpid-proton-dotnet/examples/Example.CreateSession/Program.cs:line 53 > {code} > > > -- This 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