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    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.

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    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 bukkit.org by Unknown author, 1 year ago
java.lang.NoClassDefFoundError: de/xzise/wrappers/permissions/Permission
via GitHub by Warryur
, 2 years ago
java.lang.NoClassDefFoundError: com/onarandombox/MultiverseCore/configuration/MVConfigMigrator
via GitHub by XxCoolGamesxX
, 1 year ago
java.lang.NoClassDefFoundError: org/bukkit/event/player/PlayerListener
via GitHub by BearFather
, 2 years ago
java.lang.NoClassDefFoundError: com/sk89q/minecraft/util/commands/CommandPermissionsException
via GitHub by Randomfish132
, 2 years ago
java.lang.NoClassDefFoundError: org/dynmap/DynmapCommonAPI
via GitHub by ghost
, 2 years ago
java.lang.NoClassDefFoundError: com/palmergames/bukkit/towny/exceptions/NotRegisteredException
java.lang.ClassNotFoundException: de.xzise.wrappers.permissions.Permission	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:41)	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29)	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:247)	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:140)	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)	at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:213)	at org.bukkit.craftbukkit.CraftServer.(CraftServer.java:189)	at net.minecraft.server.ServerConfigurationManager.(ServerConfigurationManager.java:53)	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:166)	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432)	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)