[17:52:26] [Server thread/INFO]: KleinCrafter issued server command: /version
[17:52:26] [Server thread/INFO]: Stopping server
[17:52:26] [Thread-1/WARN]: Exception in thread "Thread-1"
[17:52:26] [Thread-1/WARN]: java.lang.NoClassDefFoundError: org/apache/logging/log4j/core/config/NullConfiguration
[17:52:26] [Thread-1/WARN]: at org.apache.logging.log4j.core.LoggerContext.stop(LoggerContext.java:210)
[17:52:26] [Thread-1/WARN]: at org.apache.logging.log4j.core.LoggerContext$ShutdownThread.run(LoggerContext.java:437)
[17:52:26] [Thread-1/WARN]: Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.core.config.NullConfiguration
[17:52:26] [Thread-1/WARN]: at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
[17:52:26] [Thread-1/WARN]: at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
[17:52:26] [Thread-1/WARN]: at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
[17:52:26] [Thread-1/WARN]: at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
[17:52:26] [Thread-1/WARN]: ... 2 more