{"action":"created","issue":{"url":"https://api.github.com/repos/Microsoft/visualfsharp/issues/5465","repository_url":"https://api.github.com/repos/Microsoft/visualfsharp","labels_url":"https://api.github.com/repos/Microsoft/visualfsharp/issues/5465/labels{/name}","comments_url":"https://api.github.com/repos/Microsoft/visualfsharp/issues/5465/comments","events_url":"https://api.github.com/repos/Microsoft/visualfsharp/issues/5465/events","html_url":"https://github.com/Microsoft/visualfsharp/issues/5465","id":347937491,"node_id":"MDU6SXNzdWUzNDc5Mzc0OTE=","number":5465,"title":"[Nightlies] Latest VS2017 hard crashes when opening a solution with latest nightly","user":{"login":"isaacabraham","id":1781813,"node_id":"MDQ6VXNlcjE3ODE4MTM=","avatar_url":"https://avatars2.githubusercontent.com/u/1781813?v=4","gravatar_id":"","url":"https://api.github.com/users/isaacabraham","html_url":"https://github.com/isaacabraham","followers_url":"https://api.github.com/users/isaacabraham/followers","following_url":"https://api.github.com/users/isaacabraham/following{/other_user}","gists_url":"https://api.github.com/users/isaacabraham/gists{/gist_id}","starred_url":"https://api.github.com/users/isaacabraham/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/isaacabraham/subscriptions","organizations_url":"https://api.github.com/users/isaacabraham/orgs","repos_url":"https://api.github.com/users/isaacabraham/repos","events_url":"https://api.github.com/users/isaacabraham/events{/privacy}","received_events_url":"https://api.github.com/users/isaacabraham/received_events","type":"User","site_admin":false},"labels":[{"id":308804753,"node_id":"MDU6TGFiZWwzMDg4MDQ3NTM=","url":"https://api.github.com/repos/Microsoft/visualfsharp/labels/Area-IDE%20Language%20Service","name":"Area-IDE Language Service","color":"5319e7","default":false},{"id":295284836,"node_id":"MDU6TGFiZWwyOTUyODQ4MzY=","url":"https://api.github.com/repos/Microsoft/visualfsharp/labels/Contributor%20Pain","name":"Contributor Pain","color":"e11d21","default":false},{"id":295294041,"node_id":"MDU6TGFiZWwyOTUyOTQwNDE=","url":"https://api.github.com/repos/Microsoft/visualfsharp/labels/Urgency-Now","name":"Urgency-Now","color":"e11d21","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/Microsoft/visualfsharp/milestones/14","html_url":"https://github.com/Microsoft/visualfsharp/milestone/14","labels_url":"https://api.github.com/repos/Microsoft/visualfsharp/milestones/14/labels","id":3196450,"node_id":"MDk6TWlsZXN0b25lMzE5NjQ1MA==","number":14,"title":"15.8","description":"","creator":{"login":"cartermp","id":6309070,"node_id":"MDQ6VXNlcjYzMDkwNzA=","avatar_url":"https://avatars0.githubusercontent.com/u/6309070?v=4","gravatar_id":"","url":"https://api.github.com/users/cartermp","html_url":"https://github.com/cartermp","followers_url":"https://api.github.com/users/cartermp/followers","following_url":"https://api.github.com/users/cartermp/following{/other_user}","gists_url":"https://api.github.com/users/cartermp/gists{/gist_id}","starred_url":"https://api.github.com/users/cartermp/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cartermp/subscriptions","organizations_url":"https://api.github.com/users/cartermp/orgs","repos_url":"https://api.github.com/users/cartermp/repos","events_url":"https://api.github.com/users/cartermp/events{/privacy}","received_events_url":"https://api.github.com/users/cartermp/received_events","type":"User","site_admin":false},"open_issues":3,"closed_issues":69,"state":"closed","created_at":"2018-03-19T01:04:06Z","updated_at":"2018-08-16T14:43:21Z","due_on":null,"closed_at":"2018-06-20T23:28:36Z"},"comments":26,"created_at":"2018-08-06T14:03:27Z","updated_at":"2018-08-16T17:47:47Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"I have a solution (new style .NET Framework project) which when I try to load into VS 2017 (15.7.6), VS will hard crash during startup - no error dialogs or anything, the app simply disappears.\r\n\r\nHere's the event log that I was able to find:\r\n\r\n```\r\nApplication: devenv.exe\r\nFramework Version: v4.0.30319\r\nDescription: The application requested process termination through System.Environment.FailFast(string message).\r\nMessage: System.NullReferenceException: Object reference not set to an instance of an object.\r\n   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.<ProduceTagsAsync>d__6.MoveNext()\r\nStack:\r\n   at System.Environment.FailFast(System.String, System.Exception)\r\n   at Microsoft.CodeAnalysis.FailFast.OnFatalException(System.Exception)\r\n   at Microsoft.CodeAnalysis.ErrorReporting.FatalError.Report(System.Exception, System.Action`1<System.Exception>)\r\n   at Microsoft.CodeAnalysis.ErrorReporting.FatalError.ReportUnlessCanceled(System.Exception)\r\n   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1+<ProduceTagsAsync>d__6[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].MoveNext()\r\n   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1+<ProduceTagsAsync>d__6[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].MoveNext()\r\n   at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.InvokeMoveNext(System.Object)\r\n   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)\r\n   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)\r\n   at System.Runtime.CompilerServices.AsyncMethodBuilderCore+MoveNextRunner.Run()\r\n   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(System.Action, Boolean, System.Threading.Tasks.Task ByRef)\r\n   at System.Threading.Tasks.Task.FinishContinuations()\r\n   at System.Threading.Tasks.Task.FinishStageThree()\r\n   at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.__Canon)\r\n   at System.Threading.Tasks.TaskCompletionSource`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].TrySetResult(System.__Canon)\r\n   at Microsoft.VisualStudio.FSharp.Editor.RoslynHelpers+StartAsyncAsTask@111-4[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].Invoke(System.Exception)\r\n   at Microsoft.FSharp.Control.AsyncPrimitives+StartWithContinuations@947-2.Invoke(System.Runtime.ExceptionServices.ExceptionDispatchInfo)\r\n   at Microsoft.FSharp.Control.Trampoline.Execute(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)\r\n   at Microsoft.FSharp.Control.TrampolineHolder.ExecuteWithTrampoline(Microsoft.FSharp.Core.FSharpFunc`2<Microsoft.FSharp.Core.Unit,Microsoft.FSharp.Control.AsyncReturn>)\r\n   at <StartupCode$FSharp-Core>.$Async+-ctor@167-1.Invoke(System.Object)\r\n   at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(System.Object)\r\n   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)\r\n   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)\r\n   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()\r\n   at System.Threading.ThreadPoolWorkQueue.Dispatch()\r\n   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()\r\n```\r\n\r\nI have another app that seems to open without crashing, but the F# tools don't seem to start up - there's no colouration or anything.\r\n\r\nCan't share the code publicly I'm afraid."},"comment":{"url":"https://api.github.com/repos/Microsoft/visualfsharp/issues/comments/413629135","html_url":"https://github.com/Microsoft/visualfsharp/issues/5465#issuecomment-413629135","issue_url":"https://api.github.com/repos/Microsoft/visualfsharp/issues/5465","id":413629135,"node_id":"MDEyOklzc3VlQ29tbWVudDQxMzYyOTEzNQ==","user":{"login":"isaacabraham","id":1781813,"node_id":"MDQ6VXNlcjE3ODE4MTM=","avatar_url":"https://avatars2.githubusercontent.com/u/1781813?v=4","gravatar_id":"","url":"https://api.github.com/users/isaacabraham","html_url":"https://github.com/isaacabraham","followers_url":"https://api.github.com/users/isaacabraham/followers","following_url":"https://api.github.com/users/isaacabraham/following{/other_user}","gists_url":"https://api.github.com/users/isaacabraham/gists{/gist_id}","starred_url":"https://api.github.com/users/isaacabraham/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/isaacabraham/subscriptions","organizations_url":"https://api.github.com/users/isaacabraham/orgs","repos_url":"https://api.github.com/users/isaacabraham/repos","events_url":"https://api.github.com/users/isaacabraham/events{/privacy}","received_events_url":"https://api.github.com/users/isaacabraham/received_events","type":"User","site_admin":false},"created_at":"2018-08-16T17:47:47Z","updated_at":"2018-08-16T17:47:47Z","author_association":"CONTRIBUTOR","body":"I don't believe I've had any crashes since upgrading and I'm on the nightly release as well. "}}
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