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  • This plugin only partly computes the technical debt of an application. SonarSource has developed a much more advanced and complete plugin to evaluate technical debt which is available here.
  • This plugin is only compatible with Java projects.


Description / Features

The plugin evaluates how much technical debt a project is in. It consists of 4 advanced measures:

Clicking on an indicator brings the usual drill down.

The debt is first calculated on the basic axis: Duplication, Violations, Complexity, Coverage, Documentation and Design.
It is then summed up to provide a global measure.

Full details of axes calculation are available here.

The debt ratio

The debt ratio gives a percentage of the current technical debt of the project versus the total possible debt for the project.
It enables to better compare projects. Indeed having $ 10,000 debt on a "small" project does not mean the same as the same debt on a big project.

The cost to reimburse

This gives in $$ what it would cost to clean all defects on every axis (no more violations, no more duplications...).

The work to reimburse

This is the cost to reimburse expressed in man days.

The breakdown

This gives through a pie chart a view of the debt distribution across the 6 quality axes.


  1. Install the plugin through the Update Center or download it into the SONARQUBE_HOME/extensions/plugins directory
  2. Restart the SonarQube server


Run a new quality analysis and the technical debt metrics will be fed.

Known Limitations

A significant improvement to the would be to gather manual measures: see SONARPLUGINS-91. Indeed this would enable to record other technical debts that are not gathered by SonarQube to get a complete view.

Having a real cost to resolve for each rule would add a lot accuracy.

Change Log


Version 1.2.1 (1 issues)



Version 1.2 (3 issues)



Version 1.1 (2 issues)


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