Non-synchronized override of synchronized method¶
ID: java/non-sync-override
Kind: problem
Security severity:
Severity: warning
Precision: very-high
Tags:
- reliability
- correctness
- concurrency
- language-features
- external/cwe/cwe-820
Query suites:
- java-security-and-quality.qls
Click to see the query in the CodeQL repository
If a synchronized method is overridden in a subclass, the compiler does not require the overriding method to be synchronized. However, if the overriding method is not synchronized, the thread-safety of the subclass may be broken.
Recommendation¶
Ensure that the overriding method is synchronized, if necessary.
References¶
Java Language Specification: Synchronization.
Help - Eclipse Platform: Java Compiler Errors/Warnings Preferences.
Common Weakness Enumeration: CWE-820.