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  1. ,
    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

  2. ,

    This is thrown when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. If you are using a Java version less than 8, upgrade because java.util.Base64 only comes with > Java 8.

Solutions on the web

via sourceforge.net by Unknown author, 2 years ago
com.jtattoo.plaf.aluminum.AluminiumLookAndFeel
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com.jtattoo.plaf.aluminum.AluminiumLookAndFeel
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com.jtattoo.plaf.aluminum.AluminiumLookAndFeel
via sourceforge.net by Unknown author, 1 year ago
com.jtattoo.plaf.aluminum.AluminiumLookAndFeel
via sourceforge.net by Unknown author, 2 years ago
com.jtattoo.plaf.aluminum.AluminiumLookAndFeel
java.lang.ClassNotFoundException: com.jtattoo.plaf.aluminum.AluminiumLookAndFeel	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at net.sourceforge.squirrel_sql.fw.util.MyURLClassLoader.findClass(MyURLClassLoader.java:209)	at java.lang.ClassLoader.loadClass(ClassLoader.java:423)	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:266)	at net.sourceforge.squirrel_sql.plugins.laf.jtattoo.JTattooLafData.putClass(JTattooLafData.java:82)