org.bukkit.plugin.InvalidPluginException

java.lang.NoClassDefFoundError: me/clip/placeholderapi/PlaceholderHook


Samebug tips7

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.

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

Don't give up yet. Our experts can help. Paste your full stack trace to get a solution.


Solutions on the web168

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

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

Solution icon of github
java.lang.UnsupportedClassVersionError: me/seabass992/HubTools/Main : Unsupported major.minor version 51.0

Solution icon of github
java.lang.UnsupportedClassVersionError: me/gnat008/perworldinventory/PerWorldInventory : Unsupported major.minor version 52.0

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

Solution icon of github
java.lang.UnsupportedClassVersionError: me/imodzombies4fun/autocorrect/autocorrect : Unsupported major.minor version 51.0

Solution icon of web
via gutefrage.net by Unknown author, 9 months ago
java.lang.UnsupportedClassVersionError: me/Incomprehendable/WorldPlugins/WorldPlugins : Unsupported major.minor version 51.0

Solution icon of github
via GitHub by d-stephane
, 1 year ago
java.lang.UnsupportedClassVersionError: me/ellbristow/mychunk/MyChunk : Unsupported major.minor version 52.0

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

Solution icon of github
java.lang.UnsupportedClassVersionError: me/lucko/luckperms/bukkit/LPBukkitPlugin : 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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