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MSB4014
f#testing

I'm testing out combining F# with a C++ and C# mixed mode app. When I compile, intermittently I get some odd build errors. Below is one that I get when compiling the C# project.

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8>MSBUILD : error MSB4014: The build was aborted because of an internal failure.

8>MSBUILD : error MSB4014: Microsoft.Build.Shared.InternalErrorException: Internal MSBuild Error: We can only call this method once

8>MSBUILD : error MSB4014:    at Microsoft.Build.Shared.ErrorUtilities.ThrowInternalError(Boolean showAssert, String unformattedMessage, Object[] args)

8>MSBUILD : error MSB4014:    at Microsoft.Build.BuildEngine.Engine.EngineBuildLoop(BuildRequest terminatingBuildRequest)

8>MSBUILD : error MSB4014:    at Microsoft.Build.BuildEngine.Engine.PostProjectEvaluationRequests(Project project, String[] projectFiles, String[][] targetNames, BuildPropertyGroup[] globalPropertiesPerProject, IDictionary[] targetOutputsPerProject, BuildSettings buildFlags, String[] toolVersions)

In other cases, I've gotten a ``cannot enter this function more than once'' (paraphrasing from my recollection) when compiling the F# projects.

These seems to work themselves out by either trying the compile again or restart of VS.

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Below is the exact text of the other error that I get for F# projects in an interop app:

Unhandled Exception:Internal MSBuild Error: We can only call this method once

By on 6/22/2009 8:23 AM ()Reply
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It seems similar to what I was struggling with some time ago - not with F# but with my own stuff. I had a big solution with multiple projects. Calculation of references between projects sometimes triggers running MSBuild in background. It runs silently you wont see any output, but MSBuild is getting nervous if there is another instance of MSBuild running at the same time.

By on 6/24/2009 5:09 AM ()Reply

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