I have Windows 7 and 64-bit java installed I double-clic on run.bat, it open console and write: 229 recipes 27 achievements 18:25:15 [WARNING] Failed to log Minecraft-Server to null java.io.IOException: Couldn't get lock for server.log at java.util.logging.FileHandler.openFiles(Unknown Source) at java.util.logging.FileHandler.<init>(Unknown Source) at net.minecraft.server.v1_5_R1.ConsoleLogManager.b(ConsoleLogManager.ja va:116) at net.minecraft.server.v1_5_R1.ConsoleLogManager.<init>(ConsoleLogManag er.java:24) at net.minecraft.server.v1_5_R1.DedicatedServer.<init>(DedicatedServer.j ava:36) at net.minecraft.server.v1_5_R1.MinecraftServer.main(MinecraftServer.jav a:652) at org.bukkit.craftbukkit.Main.main(Main.java:152) 18:25:15 [INFO] Starting minecraft server version 1.5 18:25:15 [INFO] Loading properties 18:25:15 [INFO] Default game type: SURVIVAL 18:25:15 [INFO] Generating keypair 18:25:15 [INFO] Starting Minecraft server on 25.213.201.55:25565 18:25:15 [SEVERE] java.lang.NullPointerException 18:25:15 [SEVERE] at org.bukkit.craftbukkit.v1_5_R1.CraftServer.getLogger( CraftServer.java:833) 18:25:15 [SEVERE] at org.bukkit.craftbukkit.v1_5_R1.help.HelpYamlReader.<i nit>(HelpYamlReader.java:43) 18:25:15 [SEVERE] at org.bukkit.craftbukkit.v1_5_R1.help.SimpleHelpMap.<in it>(SimpleHelpMap.java:30) 18:25:15 [SEVERE] at org.bukkit.craftbukkit.v1_5_R1.CraftServer.<init>(Cra ftServer.java:143) 18:25:15 [SEVERE] at net.minecraft.server.v1_5_R1.PlayerList.<init>(Player List.java:55) 18:25:15 [SEVERE] at net.minecraft.server.v1_5_R1.DedicatedPlayerList.<ini t>(SourceFile:11) 18:25:15 [SEVERE] at net.minecraft.server.v1_5_R1.DedicatedServer.init(Ded icatedServer.java:105) 18:25:15 [SEVERE] at net.minecraft.server.v1_5_R1.MinecraftServer.run(Mine craftServer.java:381) 18:25:15 [SEVERE] at net.minecraft.server.v1_5_R1.ThreadServerApplication. run(SourceFile:573) 18:25:15 [SEVERE] Encountered an unexpected exception NullPointerException java.lang.NullPointerException at org.bukkit.craftbukkit.v1_5_R1.CraftServer.getLogger(CraftServer.java :833) at org.bukkit.craftbukkit.v1_5_R1.help.HelpYamlReader.<init>(HelpYamlRea der.java:43) at org.bukkit.craftbukkit.v1_5_R1.help.SimpleHelpMap.<init>(SimpleHelpMa p.java:30) at org.bukkit.craftbukkit.v1_5_R1.CraftServer.<init>(CraftServer.java:14 3) at net.minecraft.server.v1_5_R1.PlayerList.<init>(PlayerList.java:55) at net.minecraft.server.v1_5_R1.DedicatedPlayerList.<init>(SourceFile:11 ) at net.minecraft.server.v1_5_R1.DedicatedServer.init(DedicatedServer.jav a:105) at net.minecraft.server.v1_5_R1.MinecraftServer.run(MinecraftServer.java :381) at net.minecraft.server.v1_5_R1.ThreadServerApplication.run(SourceFile:5 73) 18:25:15 [SEVERE] Could not save crash report to .\crash-reports\crash-2013-03-2 9_18.25.15-server.txt java.io.FileNotFoundException: .\crash-reports\crash-2013-03-29_18.25.15-server. txt (P°Ýstup byl odep°en) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.<init>(Unknown Source) at java.io.FileOutputStream.<init>(Unknown Source) at java.io.FileWriter.<init>(Unknown Source) at net.minecraft.server.v1_5_R1.CrashReport.a(CrashReport.java:142) at net.minecraft.server.v1_5_R1.MinecraftServer.run(MinecraftServer.java :431) at net.minecraft.server.v1_5_R1.ThreadServerApplication.run(SourceFile:5 73) 18:25:15 [SEVERE] We were unable to save this crash report to disk. > Please help me I mean,problem is in server.properties... EDIT by Moderator: merged posts, please use the edit button instead of double posting.