java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager

docfetcher | *anonymous | 7 months ago
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    The program died when I tried indexing folders

    docfetcher | 7 months ago | *anonymous
    java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager
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    My jar file built with ant doesn't run when double click

    Stack Overflow | 1 year ago | Jon
    java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager
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    Cannot run the code due to java.lang.NoClassDefFoundError

    Stack Overflow | 11 months ago | Klausos Klausos
    java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager
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  5. 0

    GitHub comment 1#188782169

    GitHub | 9 months ago | carcabot
    java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager
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    GitHub | 3 weeks ago | djrut
    java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.apache.logging.log4j.LogManager

    at java.net.URLClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    4 frames
  3. Jericho HTML Parser
    Source.<init>
    1. net.htmlparser.jericho.LoggerProviderLog4J.getLogger(LoggerProviderLog4J.java:35)
    2. net.htmlparser.jericho.LoggerProviderLog4J.getSourceLogger(LoggerProviderLog4J.java:41)
    3. net.htmlparser.jericho.Source.newLogger(Source.java:1685)
    4. net.htmlparser.jericho.Source.<init>(Source.java:119)
    5. net.htmlparser.jericho.Source.<init>(Source.java:132)
    6. net.htmlparser.jericho.Source.<init>(Source.java:174)
    6 frames
  4. net.sourceforge.docfetcher
    IndexingQueue$2.run
    1. net.sourceforge.docfetcher.model.parse.UtilParser.getSource(UtilParser.java:42)
    2. net.sourceforge.docfetcher.model.parse.UtilParser.getSource(UtilParser.java:56)
    3. net.sourceforge.docfetcher.model.parse.EpubParser.parse(EpubParser.java:59)
    4. net.sourceforge.docfetcher.model.parse.EpubParser.parse(EpubParser.java:44)
    5. net.sourceforge.docfetcher.model.parse.ParseService.doParse(ParseService.java:309)
    6. net.sourceforge.docfetcher.model.parse.ParseService.parse(ParseService.java:233)
    7. net.sourceforge.docfetcher.model.index.file.FileContext.index(FileContext.java:146)
    8. net.sourceforge.docfetcher.model.index.file.FileIndex$1.handleFile(FileIndex.java:295)
    9. net.sourceforge.docfetcher.model.index.file.HtmlFileLister.runWithHtmlPairing(HtmlFileLister.java:124)
    10. net.sourceforge.docfetcher.model.index.file.HtmlFileLister.doRun(HtmlFileLister.java:57)
    11. net.sourceforge.docfetcher.util.Stoppable.run(Stoppable.java:57)
    12. net.sourceforge.docfetcher.model.index.file.FileIndex.visitDirOrZip(FileIndex.java:282)
    13. net.sourceforge.docfetcher.model.index.file.FileIndex.doUpdate(FileIndex.java:159)
    14. net.sourceforge.docfetcher.model.TreeIndex.update(TreeIndex.java:148)
    15. net.sourceforge.docfetcher.model.index.Task.update(Task.java:98)
    16. net.sourceforge.docfetcher.model.index.IndexingQueue.threadLoop(IndexingQueue.java:193)
    17. net.sourceforge.docfetcher.model.index.IndexingQueue.access$100(IndexingQueue.java:46)
    18. net.sourceforge.docfetcher.model.index.IndexingQueue$2.run(IndexingQueue.java:118)
    18 frames