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  1. ,
    via askubuntu.com by Unknown author

    Set the path for java. Try to look it from here.

  2. ,
    via netty.io by Unknown author

    Needs to add netty-transport-native-epoll with a OS classifier to the classpath, it's not included in netty-all

Solutions on the web

via Coderanch by ayoub belkas, 1 year ago
org/apache/logging/log4j/LogManager
via Stack Overflow by venkyMCA
, 2 years ago
org/apache/logging/ log4j/LogManager
java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at org.apache.log4j.LogManager.getLogger(LogManager.java:74) at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:81) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:329) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:349) at com.mjsecurity.ShiroJ2SEApp.<clinit>(ShiroJ2SEApp.java:25)Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.LogManager at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 17 more