Details
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Bug
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Resolution: Won't Fix
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Major
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None
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1.8.0-beta0
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None
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Java 9
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normal
Description
When running with log4j 2.10.0, and using the slf4j-log4j12-1.8.0-beta0 release, the follow error is received:
java.lang.NoSuchFieldException: mdc
at java.base/java.lang.Class.getDeclaredField(Unknown Source)
at org.apache.log4j.MDCFriend.fixForJava9(MDCFriend.java:13)
at org.slf4j.log4j12.Log4jMDCAdapter.<clinit>(Log4jMDCAdapter.java:38)
at org.slf4j.log4j12.Log4j12ServiceProvider.initialize(Log4j12ServiceProvider.java:37)
at org.slf4j.LoggerFactory.bind(LoggerFactory.java:153)
at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:141)
at org.slf4j.LoggerFactory.getProvider(LoggerFactory.java:413)
at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:405)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:354)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:380)
The MDC class in log4j-1.2-api-2.10.0.jar no longer contains a field named "mdc". (This is on Java 9).