MSBuild new csproj format causes a strange async timeout behavior

[Valeriob]

Hi,

i'm converting an existing .net 461 console project to the new msbuild csproj format.

It used to work fine, but after the conversion i get a timeout executing the following code (repro solution attached.) : 

Thanks

Valerio

[Valeriob]

RavenDb Server is running version 3.5.2.35183

Valerio

[Oren Eini (Ayende Rahien)]

What does Fiddler say?

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On Fri, Aug 4, 2017 at 1:31 PM, Valeriob <vale...@gmail.com> wrote:

RavenDb Server is running version 3.5.2.35183

Valerio

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[Valeriob]

Hi,

when i step over the line that i know it will timeout, fiddler shows only this request (and then nothing, even after the timeout expires): 

GET http://localhost:8090/databases/OnRtls/indexes/CreateIndex5?definition=yes HTTP/1.1

Raven-Client-Version: 3.5.5.0

Accept-Encoding: gzip

Host: localhost:8090

HTTP/1.1 200 OK

Content-Type: application/json; charset=utf-8

Server: Microsoft-HTTPAPI/2.0

Raven-Server-Build: 35183

Temp-Request-Time: 0

Date: Sat, 05 Aug 2017 09:37:41 GMT

Content-Length: 547

{"Index":{"IndexId":60,"Name":"CreateIndex5","LockMode":"Unlock","IndexVersion":1,"Map":"from doc in docs\nselect new {\r\n\n}","Maps":["from doc in docs\nselect new {\r\n\n}"],"Reduce":null,"IsMapReduce":false,"IsCompiled":false,"Stores":{},"Indexes":{},"SortOptions":{},"Analyzers":{},"Fields":["__document_id"],"Suggestions":null,"SuggestionsOptions":[],"TermVectors":{},"SpatialIndexes":{},"InternalFieldsMapping":{},"MaxIndexOutputsPerDocument":null,"Type":"Map","DisableInMemoryIndexing":false,"IsTestIndex":false,"IsSideBySideIndex":false}}

On Friday, August 4, 2017 at 8:47:43 PM UTC+2, Oren Eini wrote:

What does Fiddler say?

Hibernating Rhinos Ltd  

Oren Eini l CEO l Mobile: + 972-52-548-6969

Office: +972-4-622-7811 l Fax: +972-153-4-622-7811

 

On Fri, Aug 4, 2017 at 1:31 PM, Valeriob <vale...@gmail.com> wrote:

RavenDb Server is running version 3.5.2.35183

Valerio

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[Oren Eini (Ayende Rahien)]

There is another request there, because we are getting a response there, 503 (see the inner exception in your image)

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[Valeriob]

I was surprised as well not seeing that 503 response !

I configured ravendb Url = "http://localhost.fiddler:8090";

This is the fiddler of the whole test (attached the export from fiddler) : 

Since i only switched the .csproj content, maybe is has something to do with how some foundational assembly is resolved ? I know httpclient is a beast to tame :D

Thanks

Valerio

[Oren Eini (Ayende Rahien)]

This is 3.5 or 4.0?

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[Valerio]

It’s last 3.5 preview and I did not mention it, but the Lib project is netstandard2.0 with vs 2015 preview 7.

 

Valerio

 

Da: Oren Eini (Ayende Rahien)
Inviato: sabato 5 agosto 2017 13:39
A: ravendb
Oggetto: Re: [RavenDB] Re: MSBuild new csproj format causes a strange asynctimeout behavior

 

This is 3.5 or 4.0?

On 5 Aug 2017 7:33 AM, "Valeriob" <vale...@gmail.com> wrote:

I was surprised as well not seeing that 503 response !

I configured ravendb Url = "http://localhost.fiddler:8090";

This is the fiddler of the whole test (attached the export from fiddler) : 

 

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[Michael Yarichuk]

Hi,

I think I've replicated this locally with the project you supplied. Currently investigating.

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[Valeriob]

Very good, 

i'm glad the project to reproduce it helped !

Valerio

[Michael Yarichuk]

I believe it is not related to RavenDB - I replicated this issue without using RavenDB related code.

I've opened a bug at CoreCLR for this --> https://github.com/dotnet/coreclr/issues/13247

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[Valeriob]

We finally got some feedback from ms : 

https://github.com/dotnet/corefx/issues/23012 looks like some response not being disposed properly, it's still strange the way it manifests itself !

Valerio

On Monday, August 7, 2017 at 11:51:39 AM UTC+2, Michael Yarichuk wrote:

I believe it is not related to RavenDB - I replicated this issue without using RavenDB related code.

I've opened a bug at CoreCLR for this --> https://github.com/dotnet/coreclr/issues/13247

On Mon, Aug 7, 2017 at 9:56 AM, Valeriob <vale...@gmail.com> wrote:

Very good, 

i'm glad the project to reproduce it helped !

Valerio

On Sunday, August 6, 2017 at 3:22:03 PM UTC+2, Michael Yarichuk wrote:

Hi,

I think I've replicated this locally with the project you supplied. Currently investigating.

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[Oren Eini (Ayende Rahien)]

Yes, I'm pretty sure that we are disposing everything properly.

Using the latest code, are you able to reproduce this?

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[Valeriob]

Hi Oren,

unfortunatly yes, i linked ravendb sources patch 35219 : 

[Oren Eini (Ayende Rahien)]

How do you reproduce this?

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On Tue, Sep 5, 2017 at 11:10 PM, Valeriob <vale...@gmail.com> wrote:

Hi Oren,

unfortunatly yes, i linked ravendb sources patch 35219 : 

[Valeriob]

Hi, 

yes ofc, i've attached a new version of the repro.

Thanks

Valerio

[Michael Yarichuk]

Thanks for the new version of the repro. Taking a look.

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[Valeriob]

Thanks Michale,

@khellang has done some more investigation, see https://github.com/dotnet/corefx/issues/23012

Valerio

[Michael Yarichuk]

It seems that the underlying issue was that some of http response object were not disposed properly. 

This is fixed (http://issues.hibernatingrhinos.com/issue/RavenDB-8594) and should be available in the next build.

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[Valeriob]

Thanks Michael !

I can confirm that i do not get stuck anymore in the repro !

[Valeriob]

Can you pls make a release with this fix as soon as possible ?

Thanks

[Oren Eini (Ayende Rahien)]

Yes, we'll be doing that this week

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