Rules and Languages

Report False-positive / False-negative... Should a rule be adjusted for False-Positives, False-Negatives, or just a better description? Should analysis scope be broadened for a new framework, or language version? Let us know! [Resources: How to Report a False-positive / False-negative] New rules / language support Suggest new rules or languages that could enrich Sonar code analysis.

Topic	Replies	Views	Activity
About the Rules and Languages category Rules and Languages	0	342	January 29, 2025
False-Positive: reports javabugs:S2259 on object that can't be null Report False-positive / False-negative... java , sonarqube , false-positive	2	42	October 6, 2026
`typescript:S2699` raises false positives on `supertest` (with reproducer) Report False-positive / False-negative... javascript , typescript , tests	2	22	October 6, 2026
False positive cpp:S3743 "Remove this "noexcept" clause" for throw present in "if consteval" Report False-positive / False-negative... scanner	2	46	October 5, 2026
False-positive "function could be declared with attribute 'noreturn'" (cpp:S5271) with assert Report False-positive / False-negative... sonarqube	4	46	October 5, 2026
Rule "Selectors should be known" behaving erratically Report False-positive / False-negative... metrics , css	1	23	October 5, 2026
False positive in typescript:S4144 Report False-positive / False-negative...	1	52	October 1, 2026
False positive javabugs:S2259 — null checks performed by methods from external libraries are ignored Report False-positive / False-negative...	3	85	October 1, 2026
False negative about the security rule S5542 Report False-positive / False-negative... java , sonarqube , scanner	1	110	October 1, 2026
FALSE POSITIVE: `java:S3046` treats reentrant acquisition of the same monitor as multiple locks Report False-positive / False-negative...	1	23	October 1, 2026
FALSE POSITIVE: `java:S3039` rejects `substring(string.length())` Report False-positive / False-negative...	1	21	October 1, 2026
FALSE NEGATIVE: `java:S2695` misses zero indices for additional JDBC methods Report False-positive / False-negative...	1	22	October 1, 2026
FALSE NEGATIVE: `java:S2695` misses a zero ResultSet index derived from a loop Report False-positive / False-negative...	1	21	October 1, 2026
FALSE NEGATIVE: `java:S2390` misses a nested subclass initialization cycle that observes a default v Report False-positive / False-negative...	1	22	October 1, 2026
False negative java:S3400 — constant-returning method not detected Report False-positive / False-negative... java	2	73	October 1, 2026
False Positive java:S5411 on non-null Boolean method in @NullMarked class Report False-positive / False-negative... java , sonarqube	1	23	October 1, 2026
FP on S8949: cancellation token is provided Report False-positive / False-negative... csharp , dotnet	5	52	October 1, 2026
FP: S2325 triggers for MAUI events Report False-positive / False-negative... coverage	1	66	September 30, 2026
False positive in S9114 for non-React PascalCase functions Report False-positive / False-negative... typescript	3	38	September 30, 2026
Vue SFC: defineModel() compiler macro flagged as undeclared variable (S3827) Report False-positive / False-negative... javascript	1	51	September 30, 2026
FP on S1144: private index setter is not regonized Report False-positive / False-negative...	1	27	September 30, 2026
S125 C#: switch keyword recognized as commented code Report False-positive / False-negative... csharp	7	79	September 30, 2026
Suport roslyn analyzers on additional files New rules / language support dotnet	16	477	September 29, 2026
FALSE NEGATIVE: `java:S2200` misses a specific-value check on `Comparator.compare()` Report False-positive / False-negative...	1	28	September 28, 2026
False negative for (very probably) wrong equality check on 'non-primitive' Boolean Report False-positive / False-negative... java , sonarqube , false-negative	1	34	September 25, 2026
False Positive for java:S4449 in NullMarked Package Report False-positive / False-negative... sonarqube	7	339	September 25, 2026
kotlin:S6518 false positive accessing non property get method Report False-positive / False-negative...	7	135	September 24, 2026
java:S1123 Java Depracated Annotation Rule Not Triggering on Branch/PR Analysis Rules and Languages java , sonarqube , scanner , sonarqube-cloud	3	177	September 24, 2026
FALSE NEGATIVE: `java:S2159` loses the covariant return type after a local upcast Report False-positive / False-negative...	1	33	September 24, 2026
Eslint-plugin-sonarjs skips test rules because of the project working directory Rules and Languages eslint	1	44	September 24, 2026