Outage in SonarQube
SonarCloud EU and US: High Scanner Error Rate for AutoScan C/C++
Resolved MajorIncident Report
Summary AI Generated
SonarCloud experienced high scanner error rates for AutoScan C/C++ across both EU and US regions for 2.5 hours. The issue affected automated code scanning functionality for C/C++ projects, preventing successful analysis completion. The team applied fixes sequentially, first restoring the EU region and then the US region, bringing error rates back to normal operating levels.
We are experiencing an issue resulting in high scanner error rate for AutoScan C/C++ for both SonarCloud EU and US. The issue is currently being investigated.
Additional updates will be shared on this page as necessary. We apologize for any inconvenience.
To report additional issues or share your observations, please visit the Sonar Community or contact Support.
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Latest Updates ( sorted recent to last )
RESOLVED
6 days ago - at 05/29/2026 12:50PM
The mitigation has now been successfully applied to the SonarCloud US region as well. AutoScan error rates for C/C++ have returned to normal operating levels across both EU and US regions.
Thank you for your patience while we worked through this.
MONITORING
6 days ago - at 05/29/2026 12:26PM
We have successfully applied a fix to the SonarCloud EU region, and AutoScan error rates for C/C++ have returned to normal.
Mitigation work for the SonarCloud US region is currently underway. We are closely monitoring the progress and will provide another update as soon as the US region is fully restored.
INVESTIGATING
7 days ago - at 05/29/2026 10:21AM
We are experiencing an issue resulting in high scanner error rate for AutoScan C/C++ for both SonarCloud EU and US. The issue is currently being investigated.
Additional updates will be shared on this page as necessary. We apologize for any inconvenience.
To report additional issues or share your observations, please visit the Sonar Community or contact Support.
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