| Priority | P5 |
|---|---|
| Bug ID | 325 |
| Assignee | slf4j-dev@qos.ch |
| Summary | BasicMDCAdapter leaks MDC information to non-child threads |
| Severity | major |
| Classification | Unclassified |
| OS | Linux |
| Reporter | lcwik@google.com |
| Hardware | All |
| Status | NEW |
| Version | 1.7.x |
| Component | jul-to-slf4j |
| Product | SLF4J |
BasicMDCAdapter uses a ConcurrentHashMap which is passed by reference from the parent to the child. All child threads then share the same map reference and any modifications by one child is visible to the parent thread and also all other child threads.