java.lang.NoClassDefFoundError: org/apache/log4j/Logg er

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Look if your classpath is correct, and check if the versions of your libraries match the version you described in your pom.xml

Solutions on the web

via Stack Overflow by VIJAYA.J
, 2 years ago
org/apache/poi/UnsupportedFileFormatException
via Stack Overflow by helloworld
, 1 year ago
via Stack Overflow by adeline
, 1 year ago
org/apache/jasper/servlet/JspServlet
via GitHub by moooji
, 11 months ago
org/parboiled/scala/Parser
java.lang.NoClassDefFoundError: org/apache/log4j/Logg er
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)

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