Support for com.lmax:disruptor:4

[ashr123]

Description

When I run with async logger and com.lmax:disruptor:4, I get the following error:

Exception in thread "main" java.lang.NoClassDefFoundError: com/lmax/disruptor/SequenceReportingEventHandler
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
	at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor.start(AsyncLoggerConfigDisruptor.java:226)
	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:312)
	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:621)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:694)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:711)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:253)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:155)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:47)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:196)
	at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:599)
	at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:585)
	... 1 more
Caused by: java.lang.ClassNotFoundException: com.lmax.disruptor.SequenceReportingEventHandler
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	... 21 more

Configuration

{
  "Configuration": {
    "Appenders": {
      "Console": {
        "name": "Console-Appender",
        "target": "SYSTEM_ERR",
        "PatternLayout": {
          "pattern": "%d{DEFAULT} [%level] - %msg%n"
        }
      },
      "Async": {
        "name": "Async-Console-Appender",
        "AppenderRef": {
          "ref": "Console-Appender"
        },
        "LinkedTransferQueue": {}
      }
    },
    "Loggers": {
      "AsyncRoot": {
        "level": "INFO",
        "AppenderRef": {
          "ref": "Async-Console-Appender"
        }
      }
    }
  }
}

Version: 2.20.0
Operating system: MacOS 13.6
JDK: OpenJDK 21

Reproduction

Just run an Java class with the following static field:

private static final Logger LOGGER = LogManager.getLogger();

[vy]

@ashr123, yes, it is sadly a known problem. See LOG4J2-3595 that was reported earlier. We would appreciate it if you can submit a PR fixing the issue.

[jvz]

@vy I think it's harder to notice old Jira issues since we've migrated to GitHub Issues

[vy]

@jvz, feel free to mark the JIRA one as duplicate and re-open this one.