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 DataStoreRBLX
, 1 year ago
Unhandled exception executing command 'pv' in plugin PlayerVaults v3.6.0-SNAPSHOT-b207
via GitHub by DataStoreRBLX
, 1 year ago
Unhandled exception executing command 'pv' in plugin PlayerVaults v3.6.0-SNAPSHOT-b207
via GitHub by mibby
, 1 year ago
Unhandled exception executing command 'pv' in plugin PlayerVaults v3.6.0-SNAPSHOT-b205
via GitHub by mibby
, 1 year ago
Unhandled exception executing command 'ma' in plugin MobArena v0.97.2-SNAPSHOT
via GitHub by ProgrammerDan
, 1 year ago
Unhandled exception executing command 'ep' in plugin ExilePearl v0.4.1-SNAPSHOT
via GitHub by Flemse12
, 1 year ago
Unhandled exception executing command 'dxl' in plugin DungeonsXL v0.15.1-SNAPSHOT-05
java.util.ConcurrentModificationException: 	at java.util.HashMap$HashIterator.nextNode(Unknown Source)	at java.util.HashMap$EntryIterator.next(Unknown Source)	at java.util.HashMap$EntryIterator.next(Unknown Source)	at com.drtshock.playervaults.vaultmanagement.Serialization.deserialize(Serialization.java:151)	at com.drtshock.playervaults.vaultmanagement.Serialization.deserialize(Serialization.java:157)	at com.drtshock.playervaults.vaultmanagement.Serialization.toInventory(Serialization.java:102)	at com.drtshock.playervaults.vaultmanagement.UUIDVaultManager.getInventory(UUIDVaultManager.java:161)	at com.drtshock.playervaults.vaultmanagement.UUIDVaultManager.loadOwnVault(UUIDVaultManager.java:101)	at com.drtshock.playervaults.vaultmanagement.VaultOperations.openOwnVault(VaultOperations.java:150)	at com.drtshock.playervaults.vaultmanagement.VaultOperations.openOwnVault(VaultOperations.java:175)	at com.drtshock.playervaults.commands.VaultCommand.onCommand(VaultCommand.java:35)	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)	at org.bukkit.craftbukkit.v1_10_R1.CraftServer.dispatchCommand(CraftServer.java:647)	at net.minecraft.server.v1_10_R1.PlayerConnection.handleCommand(PlayerConnection.java:1358)	at net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:1193)	at net.minecraft.server.v1_10_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)	at net.minecraft.server.v1_10_R1.PacketPlayInChat.a(PacketPlayInChat.java:1)	at net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13)	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)	at java.util.concurrent.FutureTask.run(Unknown Source)	at net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45)	at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:732)	at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:400)	at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:668)	at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:567)	at java.lang.Thread.run(Unknown Source)