NullReferenceException when uploading package

Running Octopus 3.0.11.2328

Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.

Server stack trace:
at Halibut.ServiceModel.HalibutProxy.Invoke(IMessage msg) in y:\work\7ab39c94136bc5c6\source\Halibut\ServiceModel\HalibutProxy.cs:line 33

Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
at Octopus.Shared.Contracts.IFileTransferService.UploadFile(String remotePath, DataStream upload)
at Octopus.Worker.Tentacles.TentacleFacade.UploadFile(String fileName, DataStream package) in y:\work\refs\heads\master\source\Octopus.Worker\Tentacles\TentacleFacade.cs:line 65
at Octopus.Worker.Tentacles.PackageUploadMediator.UploadPackage(PackageAcquisition acquisition, Stream package) in y:\work\refs\heads\master\source\Octopus.Worker\Tentacles\PackageUploadMediator.cs:line 250
at Octopus.Worker.Tentacles.PackageUploadMediator.DownloadPackageAndPushToAgent(PackageAcquisition acquisition, PackageToAcquire packageToAcquire) in y:\work\refs\heads\master\source\Octopus.Worker\Tentacles\PackageUploadMediator.cs:line 89
at Octopus.Server.Orchestration.Deploy.Acquire.AcquisitionService.AcquirePackages(Machine machine, PackageAcquisition acquisition, PackageToAcquire packageToAcquire, StagedPackageMap map, VariableDictionary variables) in y:\work\refs\heads\master\source\Octopus.Server\Orchestration\Deploy\Acquire\AcquisitionService.cs:line 104
at Octopus.Server.Orchestration.Deploy.Acquire.AcquisitionService.<>c__DisplayClass2.b__0(Tuple2 t) in y:\work\refs\heads\master\source\Octopus.Server\Orchestration\Deploy\Acquire\AcquisitionService.cs:line 42 at Octopus.Shared.Tasks.OctoThreadClosure1.Execute() in y:\work\refs\heads\master\source\Octopus.Shared\Tasks\OctoThreadClosure.cs:line 29
Octopus.Server version 3.0.11.2328

Lee,

Thank you for the problem report. Please could you also post the relevant sections of the log files around this time for both the Server and the Tentacle so we can investigate further.

Thank you!

Ian Mercer