msbuild: error MSB3374: The last access/last write time on file "MyProject.tlog\MyProject.lastbuildstate" cannot be set.

Question

msbuild: error MSB3374: The last access/last write time on file "MyProject.tlog\MyProject.lastbuildstate" cannot be set.

Francois 1

Hi,
On my continuous build server (using Teamcity), I'm trying to migrate from a devenv command line, to a msbuild command line.
But when I enable to multicpu switches I have this error :

error MSB3374: The last access/last write time on file "MyProject.tlog\MyProject.lastbuildstate" cannot be set. The process cannot access the file 'MyProject.tlog\MyProject.lastbuildstate'

Not that I add this 2 switches:

/maxcpucount /nodeReuse:False

Without /maxcpucount I do not have error on lastbuildstate. But it takes twice more time!!
Note that my project are in C++. Around 100 projects with multiples dependencies (define by reference project properties)

Is anyone could help me to solve that?

Answer 1

Hi Francois,

Please try to modify the "nodeReuse" to "True" or remove this switch, and then re-build your project. If it doesn't work, maybe you could try to re-install your visual studio.

Best Regards,
Dylan

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Answer 2

Francois 1

Hi Dylan,
I first try without nodeReuse, just with /maxcpucount, and have the same problem.
I relaunch with /nodeReuse=True, I also have the exact same error.
I launch on multiple PC, and sometimes, on some old PC with not lot of cores/threads, it could compile without error. But in 95% of the cas, I have this error.

About the installation, I have a standard installation of Visual Studio 16.7.7 on multiple PCs, and same error on all that PC. MSBuild version 16.7.0.37604.

I also make a test on a PC with the latest version, VS 16.8.2, msbuild version 16.8.2.56705, and I have the same error too.

Note that something is strange for me: that the project with the .lastbuildstate where the error happens, if one of the first project build, and almost all projects are depending on that project. I do not really understand why.

I also have another error. I have a PostbuildEvent in a low level project (most of my project are depend on that project). This post event, is used to sign the dll. I regularly have error on that post build event. It seems that the sign tool cannot open the dll sign with write access.
And that post build event is present multiples times in the log ! (in /nodeReuse:False or /nodeReuse:True)

Dylan Zhu-MSFT 6,361 Reputation points

2020-12-08T06:48:13.023+00:00

Hi @Francois , thank you for feedback. Maybe you could try to specify the build order of your projects. You could open the solution in visual studio, then right-click the solution in solution explorer, and click the "Project Build Order" to configure the relationships between different projects.
Francois 1 Reputation point

2020-12-08T09:12:31.367+00:00

Hi Dylan,
the project order is already define by the "Reference" property inside project. So the Project Build Order inside the solution (as well the Dependencies), is already ok, when I check inside the solution.
Each of my project/vcxproj, as reference to each project on which I have a dependency.
Dylan Zhu-MSFT 6,361 Reputation points

2020-12-09T06:28:52.67+00:00

Hi @Francois , the "Project Build Order" is applied to sln file. And you could try to build sln file instead of vcxproj file.
Francois 1 Reputation point

2020-12-09T08:42:10.527+00:00

Hi @Dylan Zhu-MSFT , I build the sln, here the command line I try:

msbuild MySolution.sln /p:Configuration=Debug /p:RuntimeIdentifiers=x64 /maxcpucount /nodeReuse:False
msbuild MySolution.sln /p:Configuration=Debug /p:RuntimeIdentifiers=x64 /maxcpucount /nodeReuse:True
msbuild MySolution.sln /p:Configuration=Debug /p:RuntimeIdentifiers=x64 /maxcpucount
Dylan Zhu-MSFT 6,361 Reputation points

2020-12-10T06:18:34.837+00:00

Hi @Francois , I'm afraid that maxcpu will make build disorderly, so did you have a try "Project Build Order", which is like this in sln file:

If it doesn't work, maybe you need to report it to product team through "Help/Send Feedback/Report a problem" in visual studio.
Francois 1 Reputation point

2020-12-10T10:29:22.32+00:00

Hi @Dylan Zhu-MSFT , I could try with the build order explicitly specify, but in my mind, it should already be handle by msbuild, while each project have a reference property, where we can specify on which other projects it depend on. And when we do it, inside the Visual Studio solution view, it display the right order.

But I will try to see, if it solves the problem.

msbuild: error MSB3374: The last access/last write time on file "MyProject.tlog\MyProject.lastbuildstate" cannot be set.

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