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titleWarning: This documentation concerns the outdated .NET ecosystem plugins version 2.1

New users as well as users of the recent versions of the C# plugins should consult this page.







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Description / Features

The .NET ReSharper plugin supports using the free JetBrains ReSharper command line code inspection tool "InspectCode" as a source for .NET-based static analysis issues. ReSharper is an extremely popular commercial plugin to the Visual Studio IDE for .NET development and this plugin allows users to have a parallel experience in the IDE and in SonarQube when it comes to code analysis results.

The plugin supports reusing existing reports generated by the ReSharper "inspectcode.exe" tool, or, if the user has separately installed the tools, it supports running the analysis as part of the SonarQube runner.  This mirrors the process used for the other .NET ecosystem tools such as FxCop and StyleCop.  The JetBrains tools are not bundled with the plugin.  


What You Can Expect To See

Something like this in Visual Studio using ReSharper:

Will turn into this in SonarQube:




  1. Install the .NET and C# plugins following their installation instructions
  2. Install the sonar-dotnet-resharper-plugin from the Update Center or download them (link at top of this page) into the SONARQUBE_HOME/extensions/plugins directory
  3. Restart the SonarQube server
  4. Modify Your Project's Quality Profile (see below)

Modify Your Project’s Quality Profile

If you install the sonar-dotnet-resharper-plugin on a clean system where you have not modified the “Sonar way” Quality Profile, then all of the new ReSharper-based rules will be included and enabled immediately. However, if you have modified that profile or have your own custom profile(s), you will need to enable the ReSharper rules for that profile after installing the plugin. To do this, go into the SonarQube web UI, click the “Quality Profiles” link in the header bar, and choose the profile you wish to include ReSharper results.

In the filter boxes, choose “ReSharper” in the Repository field and “Any” from the Activation field and click "Search". I expect you’ll see a list of approx 650 rules, all disabled. In the upper right corner of the results list is a “Bulk Change” option. Choose “Activate all”. This will (immediately) activate all of the ReSharper rules for this profile.

Running an Analysis

The SonarQube Runner is recommended for analyzing .NET solutions, but Maven can also be used.


titleReSharper Run Timings

The very first run of inspectcode will take the longest, as it builds out it's cache. Subsequent runs will utilize the cache for files that have not changed since the previous run. This has been seen to reduce the inspectcode run time significantly during future runs, at times by more than 90% (depending on many factors).

A Note About Rule Severity

ReSharper user a four-tier severity, while SonarQube uses a five-tier system. The plugin has mapped the ReSharper values like this in the initial rules profile loading:


While some of the ReSharper rules are marked as "Do Not Show" by default, the plugin maps them to "Info" so that you can modify their visibility via the Quality Profile.  If you want them to not show, disable the rules in the Quality Profile. You can, of course, change any of these levels for any rule using the Quality Profile, and I fully expect most people will want to downgrade a lot of the ‘Critical’ rules to ‘Major’ and a lot of 'Info' to be turned off.

Adding Additional ReSharper Rules

"Sonar.UnknownIssueType" Violation

SonarQube requires that the rule database be populated up front, at server start. ReSharper provides a list of possible violation types for their tool via the "/dumpIssuesTypes" argument, and the plugin will populate the SonarQube rule repository using these values (as of the plugin's build).  However, as new versions come out, or you add your own ReSharper plugins to generate new IssueTypes,  it’s possible that you will have violations in your code that the plugin did not know about when the server started, so cannot import into SonarQube appropriately. When the plugin comes across one of these, it will write a log statement (to the runner’s log) and generate a "Sonar.UnknownIssueType" violation with instructions on how to add the rule information to the 'ReSharper custom rules' property in the Settings UI.  After adding that setting and restarting SonarQube, future analysis runs will support those IssueTypes.


Other File Types

While the ReSharper tools support the full .Net stack, including .xaml and other file types, the sonar-dotnet API does not currently support more than one language (C# or for a given project. For .xaml and other files, the plugin attempts to report the violations against every file ReSharper reports, but they will show up in SonarQube without source code.  Additionally, there are a handful of situations where they may end up attached to the project instead. 

You can configure the plugin to only report violations against files that are supported by the dotnet plugins using the 'sonar.resharper.includeAllFiles' property.

Code Block
# 'true' (default) will report every violation in the ReSharper report 
# 'false' will report only for violations for supported files

Change Log

Version 1.1

jqlQueryproject = SONARPLUGINS AND fixVersion in ("NETRESHARPER-1.1")


Version 1.0

jqlQueryproject = SONARPLUGINS AND fixVersion in ("NETRESHARPER-0.1", "NETRESHARPER-1.0")