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  1. ,
    Expert tip

    jsp-api and servlet-api jars must NOT be deployed by your web app. They should be marked as provided but not deployed by your app.

  2. ,
    Expert tip

    The server rejects all jars that already belong to the server runtime (such as tomcat-**.jar, servlet**.jar). Consider substituting the CORS filter you're using for this one: https://goo.gl/ctQ7Fs

Solutions on the web

via Coderanch by Nirmal Mekala Kumar, 1 year ago
silly.org.gjt.mm.mysql.Driver not found in [file:./, core:/]
via Google Groups by Joseph Dionne, 7 months ago
com.project.services.lib.Hello not found in [file:./, core:/]
via Coderanch by vainu siva, 1 year ago
com.mysql.jdbc.Driver not found in [file:/usr/share/java/libgcj-3.4.3.jar, file:./, core:/]
via Coderanch by Balasubramanian Chandrasekaran, 1 year ago
com.mysql.jdbc.Driver not found in [file:/usr/share/java/libgcj-3.4.3.jar, file:./, core:/]
via Coderanch by preethi Ayyappan, 1 year ago
com.mysql.jdbc.Driver not found in [file:/usr/share/java/libgcj-3.4.3.jar, file:./, core:/]
via Oracle Community by 807598, 1 year ago
gnu.java.awt.peer.gtk.GtkToolkit not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:./,file:./], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
java.lang.ClassNotFoundException: silly.org.gjt.mm.mysql.Driver not found in [file:./, core:/]	at java.net.URLClassLoader.findClass(java.lang.String)