Bug 56306 - warning MSB3026 Could not copy "obj\Debug\xxxxx.dll" to "bin\Debug\xxxxx.dll". Beginning retry 1 in 1000ms. The process cannot access the file 'bin\Debug\xxxxx.dll' because it is being used by another process
Summary: warning MSB3026 Could not copy "obj\Debug\xxxxx.dll" to "bin\Debug\xxxxx.dll"...
Status: RESOLVED DUPLICATE of bug 56275
Alias: None
Product: Visual Studio Extensions
Classification: Xamarin
Component: iOS (show other bugs)
Version: 4.5.0 (15.2)
Hardware: PC Windows
: --- normal
Target Milestone: ---
Assignee: Bugzilla
URL:
Depends on:
Blocks:
 
Reported: 2017-05-12 17:29 UTC by John Miller [MSFT]
Modified: 2017-05-29 14:29 UTC (History)
11 users (show)

See Also:
Tags:
Is this bug a regression?: ---
Last known good build:


Attachments
xf logs last 7 days (11.16 KB, application/x-zip-compressed)
2017-05-12 20:15 UTC, DmytroBondarenko
Details
xf logs all (11.39 KB, application/x-zip-compressed)
2017-05-12 20:15 UTC, DmytroBondarenko
Details
vs info (3.63 KB, text/plain)
2017-05-12 20:17 UTC, DmytroBondarenko
Details

Description John Miller [MSFT] 2017-05-12 17:29:02 UTC
## Overview

Users are reporting issues after updating to the latest 15.2 tooling. Specifically, an error similar to this when building:

> warning MSB3026 Could not copy "obj\Debug\xxxxx.dll" to "bin\Debug\xxxxx.dll". Beginning retry 1 in 1000ms. The process cannot access the file 'bin\Debug\xxxxx.dll' because it is being used by another process

This seems similar to https://bugzilla.xamarin.com/show_bug.cgi?id=31423. 

I've not been able to reliably reproduce this yet. 

## Additional Information

There are reports from these forum posts:
https://forums.xamarin.com/discussion/comment/273033
https://forums.xamarin.com/discussion/95238/
Comment 1 DmytroBondarenko 2017-05-12 20:15:07 UTC
Created attachment 22143 [details]
xf logs last 7 days
Comment 2 DmytroBondarenko 2017-05-12 20:15:52 UTC
Created attachment 22144 [details]
xf logs all
Comment 3 DmytroBondarenko 2017-05-12 20:17:16 UTC
Created attachment 22145 [details]
vs info
Comment 4 DmytroBondarenko 2017-05-12 20:21:47 UTC
Hello! 
Here are my logs - from the XF (last 7 days and all) and the VS info. 
Unfortunately I can't provide the project with bug at this moment.
I'm working on the sample project and I will provide it ASAP.
Comment 5 Brendan Zagaeski (Xamarin Support) 2017-05-12 22:26:09 UTC

*** This bug has been marked as a duplicate of bug 56275 ***
Comment 6 Zahi Kramer 2017-05-16 10:15:50 UTC Comment hidden (obsolete)
Comment 7 Matthew Richardson 2017-05-29 14:29:21 UTC Comment hidden (obsolete)

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