Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by GregoryWS
, 2 years ago
This exception has no message.
via GitHub by kazimir
, 2 years ago
This exception has no message.
via GitHub by glitoo
, 2 years ago
This exception has no message.
java.util.UnknownFormatConversionException: Conversion = '%'	at org.bukkit.event.player.AsyncPlayerChatEvent.setFormat(AsyncPlayerChatEvent.java:82)	at net.hcfactions.Listener.PlayerChat.onAsyncChat(PlayerChat.java:28)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30)	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:478)	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:460)	at net.minecraft.server.v1_6_R3.PlayerConnection.chat(PlayerConnection.java:893)	at net.minecraft.server.v1_6_R3.PlayerConnection.a(PlayerConnection.java:835)	at net.minecraft.server.v1_6_R3.Packet3Chat.handle(SourceFile:49)	at org.spigotmc.netty.NettyNetworkManager$2.run(NettyNetworkManager.java:130)	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)	at java.util.concurrent.FutureTask.run(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)