EdColeman commented on PR #4105:
URL: https://github.com/apache/accumulo/pull/4105#issuecomment-1866784573

   With 4.0.0, trying to start Accumulo fails with the following:
   
   ```
   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:1017)
           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:525)
           at 
org.apache.logging.log4j.core.async.AsyncLoggerDisruptor.start(AsyncLoggerDisruptor.java:125)
           at 
org.apache.logging.log4j.core.async.AsyncLoggerContext.start(AsyncLoggerContext.java:78)
           at 
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:154)
           at 
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:46)
           at 
org.apache.logging.log4j.LogManager.getContext(LogManager.java:197)
           at 
org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:136)
           at 
org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:58)
           at 
org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
           at 
org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:32)
           at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:426)
           at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:451)
           at org.apache.accumulo.start.Main.<clinit>(Main.java:38)
   
   ```
   
   That class is not in the disruptor 4.0.0 jar, it does exist in 3.4.4


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