[LOG4J2-3461] MDC in Log4j1 bridge is not interoperable with Log4j2 or other brigdes

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.17.2
• Component/s: Core
• Assignee: Unassigned
• Reporter: Horst Gernhardt
• Created: 01/Apr/22 12:19
• Updated: 01/Apr/22 12:19

Description

When invoking org.apache.log4j.MDC.get(key) on library {{{}org.apache.logging.log4j:log4j-1.2-api
{}}}you don'thave access to Thread-Context variables that where set with

• org.apache.logging.log4j.ThreadContext.put(key, value) from org.apache.logging.log4j:log4j-core
• org.slf4j.MDC.put(key, value) from org.apache.logging.log4j:log4j-slf4j-impl
• probably pother brigdes too

See JUnit tests in ThreadContextConsistencyTest.java from a simple maven project with pom.xml