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 BlayzerQ
, 1 year ago
java.lang.IllegalStateException
via GitHub by BlayzerQ
, 10 months ago
java.lang.IllegalStateException
java.lang.IllegalStateException: 	at java.util.HashMap$HashIterator.remove(HashMap.java:1441)	at me.nallar.modpatcher.LaunchClassLoaderUtil.removeRedundantExclusions(LaunchClassLoaderUtil.java:303)	at me.nallar.modpatcher.LaunchClassLoaderUtil.removeRedundantExclusions(LaunchClassLoaderUtil.java:292)	at me.nallar.modpatcher.ModPatcherSetup.initialised(ModPatcherSetup.java:33)	at me.nallar.modpatcher.ModPatcherSetup.injectData(ModPatcherSetup.java:18)	at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:133)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43)	at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12)