Can't start server

Exoterm · March 15, 2012

Launcher/pack Version: 2.1.1 server

Operating System: Win 7

Version of Java: java 6 Update 31

Description of Problem:

Server crashes

Error Messages:

Failed to load mod from "mod_IC2AdvancedMachines.class"

Link to pastebin of log:


Aliasing material 4 name: stonebrick

Aliasing material 5 name: wood

Aliasing material 6 name: sapling

Aliasing material 7 name: bedrock

Aliasing material 8 name: water

Aliasing material 9 name: water

Aliasing material 10 name: lava

Aliasing material 11 name: lava

Aliasing material 12 name: sand

Aliasing material 13 name: gravel

Aliasing material 14 name: oreGold

Aliasing material 15 name: oreIron

Aliasing material 16 name: oreCoal

Aliasing material 17 name: log

Aliasing material 18 name: leaves

Aliasing material 19 name: sponge

Aliasing material 20 name: glass

Aliasing material 21 name: oreLapis

Aliasing material 22 name: blockLapis

Aliasing material 23 name: dispenser

Aliasing material 24 name: sandStone

Aliasing material 25 name: musicBlock

Aliasing material 26 name: bed

Aliasing material 27 name: goldenRail

Aliasing material 28 name: detectorRail

Aliasing material 29 name: pistonStickyBase

Aliasing material 30 name: web

Aliasing material 31 name: tallgrass

Aliasing material 32 name: deadbush

Aliasing material 33 name: pistonBase

Aliasing material 35 name: cloth

Aliasing material 37 name: flower

Aliasing material 38 name: rose

Aliasing material 39 name: mushroom

Aliasing material 40 name: mushroom

Aliasing material 41 name: blockGold

Aliasing material 42 name: blockIron

Aliasing material 43 name: stoneSlab

Aliasing material 44 name: stoneSlab

Aliasing material 45 name: brick

Aliasing material 46 name: tnt

Aliasing material 47 name: bookshelf

Aliasing material 48 name: stoneMoss

Aliasing material 49 name: obsidian

Aliasing material 50 name: torch

Aliasing material 51 name: fire

Aliasing material 52 name: mobSpawner

Aliasing material 53 name: stairsWood

Aliasing material 54 name: chest

Aliasing material 55 name: redstoneDust

Aliasing material 56 name: oreDiamond

Aliasing material 57 name: blockDiamond

Aliasing material 58 name: workbench

Aliasing material 59 name: crops

Aliasing material 60 name: farmland

Aliasing material 61 name: furnace

Aliasing material 62 name: furnace

Aliasing material 63 name: sign

Aliasing material 64 name: doorWood

Aliasing material 65 name: ladder

Aliasing material 66 name: rail

Aliasing material 67 name: stairsStone

Aliasing material 68 name: sign

Aliasing material 69 name: lever

Aliasing material 70 name: pressurePlate

Aliasing material 71 name: doorIron

Aliasing material 72 name: pressurePlate

Aliasing material 73 name: oreRedstone

Aliasing material 74 name: oreRedstone

Aliasing material 75 name: notGate

Aliasing material 76 name: notGate

Aliasing material 77 name: button

Aliasing material 78 name: snow

Aliasing material 79 name: ice

Aliasing material 80 name: snow

Aliasing material 81 name: cactus

Aliasing material 82 name: clay

Aliasing material 83 name: reeds

Aliasing material 84 name: jukebox

Aliasing material 85 name: fence

Aliasing material 86 name: pumpkin

Aliasing material 87 name: hellrock

Aliasing material 88 name: hellsand

Aliasing material 89 name: lightgem

Aliasing material 90 name: portal

Aliasing material 91 name: litpumpkin

Aliasing material 92 name: cake

Aliasing material 93 name: diode

Aliasing material 94 name: diode

Aliasing material 95 name: lockedchest

Aliasing material 96 name: trapdoor

Aliasing material 98 name: stonebricksmooth

Aliasing material 99 name: mushroom

Aliasing material 100 name: mushroom

Aliasing material 101 name: fenceIron

Aliasing material 102 name: thinGlass

Aliasing material 103 name: melon

Aliasing material 104 name: pumpkinStem

Aliasing material 105 name: pumpkinStem

Aliasing material 106 name: vine

Aliasing material 107 name: fenceGate

Aliasing material 108 name: stairsBrick

Aliasing material 109 name: stairsStoneBrickSmooth

Aliasing material 110 name: mycel

Aliasing material 111 name: waterlily

Aliasing material 112 name: netherBrick

Aliasing material 113 name: netherFence

Aliasing material 114 name: stairsNetherBrick

Aliasing material 115 name: netherStalk

Aliasing material 116 name: enchantmentTable

Aliasing material 117 name: brewingStand

Aliasing material 118 name: cauldron

Aliasing material 120 name: endPortalFrame

Aliasing material 121 name: whiteStone

Aliasing material 122 name: dragonEgg

174 recipes

27 achievements

&gt;ModLoader Server 1.1 Initializing...

14:13:29 [iNFO] ModLoader Server 1.1 Initializing...

&gt;Mod Loaded: mod_BuildCraftBuilders 2.2.12

14:13:29 [iNFO] Mod Loaded: mod_BuildCraftBuilders 2.2.12

&gt;Mod Loaded: mod_BuildCraftFactory 2.2.12

14:13:29 [iNFO] Mod Loaded: mod_BuildCraftFactory 2.2.12

&gt;Mod Loaded: mod_BuildCraftEnergy 2.2.12

14:13:29 [iNFO] Mod Loaded: mod_BuildCraftEnergy 2.2.12

&gt;Mod Loaded: mod_BuildCraftCore 2.2.12

14:13:29 [iNFO] Mod Loaded: mod_BuildCraftCore 2.2.12

&gt;Mod Loaded: mod_BuildCraftTransport 2.2.12

14:13:29 [iNFO] Mod Loaded: mod_BuildCraftTransport 2.2.12

&gt;Mod Loaded: mod_IC2 v1.71

14:13:29 [iNFO] Mod Loaded: mod_IC2 v1.71

&gt;Mod Loaded: mod_RedPowerLighting 2.0pr4d

14:13:29 [iNFO] Mod Loaded: mod_RedPowerLighting 2.0pr4d

&gt;Mod Loaded: mod_RedPowerArray 2.0pr4d

14:13:29 [iNFO] Mod Loaded: mod_RedPowerArray 2.0pr4d

&gt;Mod Loaded: mod_RedPowerMachine 2.0pr4d

14:13:29 [iNFO] Mod Loaded: mod_RedPowerMachine 2.0pr4d

&gt;Mod Loaded: mod_RedPowerLogic 2.0pr4d

14:13:29 [iNFO] Mod Loaded: mod_RedPowerLogic 2.0pr4d

&gt;Mod Loaded: mod_RedPowerWorld 2.0pr4d

14:13:29 [iNFO] Mod Loaded: mod_RedPowerWorld 2.0pr4d

&gt;Mod Loaded: mod_RedPowerCore 2.0pr4d

14:13:29 [iNFO] Mod Loaded: mod_RedPowerCore 2.0pr4d

&gt;Mod Loaded: mod_RedPowerWiring 2.0pr4d

14:13:29 [iNFO] Mod Loaded: mod_RedPowerWiring 2.0pr4d

&gt;Mod Loaded: mod_zAdditionalPipes Rev32.3

14:13:29 [iNFO] Mod Loaded: mod_zAdditionalPipes Rev32.3

&gt;Failed to load mod from &quot;mod_IC2AdvancedMachines.class&quot;

&gt;java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClassCond(Unknown Source)

    at java.lang.ClassLoader.defineClass(Unknown Source)

    at java.security.SecureClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.access$000(Unknown Source)

    at java.net.URLClassLoader$1.run(Unknown Source)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

    at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

    at net.minecraft.server.ModLoader.init(ModLoader.java:683)

    at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

    at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

    at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

14:13:29 [ALLVARLIG] Unexpected exception

java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClassCond(Unknown Source)

    at java.lang.ClassLoader.defineClass(Unknown Source)

    at java.security.SecureClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.access$000(Unknown Source)

    at java.net.URLClassLoader$1.run(Unknown Source)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

    at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

    at net.minecraft.server.ModLoader.init(ModLoader.java:683)

    at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

    at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

    at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

&gt;java.lang.RuntimeException: Exception occured in ModLoader

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1297)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:193)

    at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

    at net.minecraft.server.ModLoader.init(ModLoader.java:683)

    at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

    at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

    at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClassCond(Unknown Source)

    at java.lang.ClassLoader.defineClass(Unknown Source)

    at java.security.SecureClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.access$000(Unknown Source)

    at java.net.URLClassLoader$1.run(Unknown Source)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

    ... 6 more

14:13:29 [ALLVARLIG] Unexpected exception

java.lang.RuntimeException: Exception occured in ModLoader

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1297)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:193)

    at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

    at net.minecraft.server.ModLoader.init(ModLoader.java:683)

    at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

    at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

    at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClassCond(Unknown Source)

    at java.lang.ClassLoader.defineClass(Unknown Source)

    at java.security.SecureClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.access$000(Unknown Source)

    at java.net.URLClassLoader$1.run(Unknown Source)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

    ... 6 more

&gt;java.lang.RuntimeException: ModLoader has failed to initialize.

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)

    at net.minecraft.server.ModLoader.init(ModLoader.java:715)

    at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

    at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

    at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

Caused by: java.lang.RuntimeException: Exception occured in ModLoader

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1297)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:193)

    at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

    at net.minecraft.server.ModLoader.init(ModLoader.java:683)

    ... 4 more

Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClassCond(Unknown Source)

    at java.lang.ClassLoader.defineClass(Unknown Source)

    at java.security.SecureClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.access$000(Unknown Source)

    at java.net.URLClassLoader$1.run(Unknown Source)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

    ... 6 more

14:13:29 [ALLVARLIG] Unexpected exception

java.lang.RuntimeException: ModLoader has failed to initialize.

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)

    at net.minecraft.server.ModLoader.init(ModLoader.java:715)

    at net.minecraft.server.ModLoader.Init(ModLoader.java:1357)

    at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:102)

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:411)

    at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)

Caused by: java.lang.RuntimeException: Exception occured in ModLoader

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1292)

    at net.minecraft.server.ModLoader.ThrowException(ModLoader.java:1297)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:193)

    at net.minecraft.server.ModLoader.readFromModFolder(ModLoader.java:929)

    at net.minecraft.server.ModLoader.init(ModLoader.java:683)

    ... 4 more

Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/server/mod_IC2AdvancedMachines : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClassCond(Unknown Source)

    at java.lang.ClassLoader.defineClass(Unknown Source)

    at java.security.SecureClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.defineClass(Unknown Source)

    at java.net.URLClassLoader.access$000(Unknown Source)

    at java.net.URLClassLoader$1.run(Unknown Source)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)

    at java.lang.ClassLoader.loadClass(Unknown Source)

    at net.minecraft.server.ModLoader.addMod(ModLoader.java:172)

    ... 6 more

&gt;

Exoterm · March 16, 2012

bump, none else getting this and can help?

Noticed i didn't post full error the first time, my bad, fixed now

havocx42 · March 16, 2012

I think there are 5 things wrong with this post and how you approached this. Can anyone see a 6th?

Exoterm · March 16, 2012

So, how should I approach this?

edit; Sorry havocx42, noticed your sticky in the "bug forum" thought i posted this in the correct sub forum, my bad

Working now with java 7

Fake Al Gore · March 16, 2012

I can't tell you what all five (or six) things are, but you did fail to search or look at the stickied posts.

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