org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: me/clip/placeholderapi/PlaceholderHook


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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.


7 months ago
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


4 months ago
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Solutions on the web

Solution icon of github
java.lang.NoClassDefFoundError: me/clip/placeholderapi/PlaceholderHook

Solution icon of github
via GitHub by x00dis
, 8 months ago
java.lang.UnsupportedClassVersionError: me/gnat008/perworldinventory/PerWorldInventory : Unsupported major.minor version 52.0

Solution icon of github
java.lang.UnsupportedClassVersionError: me/lucko/luckperms/bukkit/LPBukkitPlugin : Unsupported major.minor version 52.0

Solution icon of github
java.lang.NoClassDefFoundError: **com/bugsnag/callbacks/Callback**

Solution icon of github
via GitHub by ExcitedFrog1s
, 1 month ago
java.lang.NoClassDefFoundError: think/rpgitems/power/Power

Solution icon of github
java.lang.NoClassDefFoundError: net/md_5/bungee/api/plugin/Plugin

Solution icon of github
via GitHub by ROKA611
, 1 month ago
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_12_R1/inventory/CraftItemStack

Solution icon of github
java.lang.UnsupportedClassVersionError: me/markeh/factionsframework/FactionsFramework : Unsupported major.minor version 52.0

Solution icon of github
via GitHub by TheCobalt
, 1 year ago
java.lang.UnsupportedClassVersionError: me/markeh/factionsplus/FactionsPlus : Unsupported major.minor version 52.0

Solution icon of github
via GitHub by iampyrex
, 1 year ago
java.lang.UnsupportedClassVersionError: me/sirfaizdat/prison/core/Prison : Unsupported major.minor version 52.0

Stack trace

org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: me/clip/placeholderapi/PlaceholderHook
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at org.bukkit.craftbukkit.v1_11_R1.CraftServer.loadPlugins(CraftServer.java:300)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:204)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:542)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at java.lang.Thread.run(Unknown Source)[?:1.8.0_111]
Caused by: java.lang.NoClassDefFoundError: me/clip/placeholderapi/PlaceholderHook
	at java.lang.Class.forName0(Native Method)[?:1.8.0_111]
	at java.lang.Class.forName(Unknown Source)[?:1.8.0_111]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129)[spigot.jar:git-Spigot-7d78b81-7e19325]
	... 6 more
Caused by: java.lang.ClassNotFoundException: me.clip.placeholderapi.PlaceholderHook
	at java.net.URLClassLoader.findClass(Unknown Source)[?:1.8.0_111]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86)[spigot.jar:git-Spigot-7d78b81-7e19325]
	at java.lang.ClassLoader.loadClass(Unknown Source)[?:1.8.0_111]
	at java.lang.ClassLoader.loadClass(Unknown Source)[?:1.8.0_111]
	... 10 more

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