java.lang.NoClassDefFoundError: org.jruby.util.ByteList

JIRA | Jeremy Heminger | 4 years ago
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    tomcat5 fails to start on CentOS 5 with NoClassDefFoundError exception

    Stack Overflow | 8 years ago
    java.lang.NoClassDefFoundError: org.apache.catalina.core.StandardService
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    JavaMail how to send a email

    Coderanch | 5 years ago | Miguel Enriquez
    java.lang.NoClassDefFoundError: javax.mail.internet.MimeMessage
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    Same NoClasDefFoundError exception regardless of project I try to start

    GitHub | 4 years ago | ExMateria
    java.lang.NoClassDefFoundError: clojure.core.protocols$seq_reduce

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    Root Cause Analysis

    1. java.lang.ClassNotFoundException

      java.util.concurrent.ConcurrentMap not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:logstash-1.1.9-monolithic.jar], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}

      at java.net.URLClassLoader.findClass()
    2. Java RT
      Class.initializeClass
      1. java.net.URLClassLoader.findClass(libgcj.so.7rh)
      2. java.lang.ClassLoader.loadClass(libgcj.so.7rh)
      3. java.lang.ClassLoader.loadClass(libgcj.so.7rh)
      4. java.lang.Class.initializeClass(libgcj.so.7rh)
      4 frames