Скачать или смотреть Resolving the MSBUILD Error MSB1009: Project file does not exist on SonarQube

Learn how to fix the common `MSBUILD Error MSB1009` when building your .NET Core project on SonarQube, with step-by-step instructions.
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This video is based on the question https://stackoverflow.com/q/64012738/ asked by the user 'nari447' ( https://stackoverflow.com/u/1470474/ ) and on the answer https://stackoverflow.com/a/64015194/ provided by the user 'nari447' ( https://stackoverflow.com/u/1470474/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Resolving the MSBUILD Error MSB1009: Project file does not exist on SonarQube

If you've ever encountered the MSBUILD : error MSB1009: Project file does not exist error while building your .NET Core project on a SonarQube server, you are certainly not alone. This problem typically arises during the build process when MSBUILD fails to locate the specified project file. The error can be especially frustrating for developers who have tested their builds locally without issue.

In this post, we'll explore the cause of this error and how you can resolve it effectively. Let's dive into the solution!

Understanding the Issue

The error message you encounter might look something like this:

[[See Video to Reveal this Text or Code Snippet]]

The critical details indicate that MSBUILD cannot find the specified project file (httpapi.csproj) located in a relative path. While the code works perfectly on your local machine, relative paths in a build server context (like SonarQube) can lead to unexpected issues.

Analyzing the Build Configuration

You likely have configured a post-build target in your .csproj file that looks something like this:

[[See Video to Reveal this Text or Code Snippet]]

Why It Works Locally, But Not on SonarQube

The main reason it may run without issues locally stems from your machine's directory structure. However, when building on SonarQube, the paths might not resolve correctly due to differences in the working directory or file organization on the build server.

Highlighting the Key Problem Area

The problematic section is this:

[[See Video to Reveal this Text or Code Snippet]]

When build environments change, relative paths can become problematic, leading to this kind of error.

The Solution: Update the Project Path

To address this issue, you will need to make a simple modification to the path specified in the post-build target. Here’s how you can do it:

Change the Path Format:

Remove the quotes around the relative path.

Switch the backward slashes (\) to forward slashes (/).

Your revised post-build target should look like this:

[[See Video to Reveal this Text or Code Snippet]]

Why This Works

Quotes Removal: Quotes can sometimes cause issues with how the command is interpreted. By not using them, you ensure a cleaner command execution.

Forward Slashes: Forward slashes are recognized universally across different platforms, whereas backward slashes might lead to confusion in environments outside of Windows.

Conclusion

By accurately specifying the correct path format in your project file, you should be able to eliminate the MSBUILD Error MSB1009 encountered on the SonarQube server. Remember, path issues are common in different environments, so always double-check your relative paths when issues arise.

If you still face challenges, consider validating your directory structure on the build server or consult the SonarQube documentation for additional insights.

Now you're equipped to tackle and resolve this build error effectively. Happy coding!