My Server keep freezing/not responding after several hour, i need to manual restart the server to run it again. OS : Microsoft(R) Windows(R) Server 2003 Enterprise x64 Edition Intel i3 quadcore 3.0 Ghz 8 GB ram Java 7CraftBukkit 1.2.5 R2.0Plugins : uMultiNether GroupManager Minequery WorldEdit NoCheatPlus RankMeUp AZRank Vault Rakamak WorldGuard TreeAssist Jail MCDocs BorderGuard MineBackup Chairs iConomy, Permissions CommandHelper ThisLogMustDie BKCommonLib FalseBookCore mcMMO Bankcraft MoneyDrop FoundDiamonds, AutoAnnouncer Essentials hatMe Citizens CommandSigns EssentialsSpawn, FalseBookBlock VirtualPack VanishNoPacket CashFlow LogBlock LWC NoLagg ChestShop EssentialsChat FalseBookExtra Factions i use this command to run the server Code: @ECHO OFF SET BINDIR=%~dp0 CD /D "%BINDIR%" "%ProgramFiles%\Java\jre7\bin\java.exe" -Xmx6G -Xms6G -jar craftbukkit.jar PAUSE no error at all, just freeze. I can't type on the console, kill the server through task manager and run it again. if freezing, CPU usage is 0% but the ram usage still 3 gb+