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

coderanch.com | 7 months ago
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  1. 0

    ExceptionInInitializerError (OCPJP forum at Coderanch)

    coderanch.com | 12 months ago
    java.lang.NoClassDefFoundError: org/apache/log4j/Logg er
  2. 0

    ExceptionInInitializerError (OCPJP forum at Coderanch)

    coderanch.com | 7 months ago
    java.lang.NoClassDefFoundError: org/apache/log4j/Logg er
  3. 0

    ExceptionInInitializerError (OCPJP forum at Coderanch)

    coderanch.com | 1 month ago
    java.lang.NoClassDefFoundError: org/apache/log4j/Logg er
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  5. 0
    samebug tip
    This exception normally means you either have to add the said class to your dependencies or you miswrote it. Look in the documentation of your library how to add it as a dependency.
  6. 0
    samebug tip
    If you're using Hibernate, this indicates you're missing FasterXML Classmate dependency, which you can add with the following: <groupId>com.fasterxml</groupId> <artifactId>classmate</artifactId> <version>1.0</version>

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.apache.log4j.Logger

    at java.net.URLClassLoader$1.run()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    2. java.security.AccessController.doPrivileged(Native Method)
    3. java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    5. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    6. java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    6 frames
  3. Unknown
    LogSample.<clinit>
    1. LogSample.<clinit>(LogSample.java:5)
    1 frame