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Exception in server tick loop


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This is what I get every time I try to start my server.

 

Time: 15/04/20 3:58 PM
Description: Exception in server tick loop

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraft/client/multiplayer/WorldClient
    at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
    at cpw.mods.fml.common.Loader.initializeMods(Loader.java:739)
    at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:97)
    at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:319)
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:210)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
    at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/multiplayer/WorldClient
    at DamageIndicatorsMod.server.DIProxy.register(DIProxy.java:11)
    at DamageIndicatorsMod.DIMod.load(DIMod.java:64)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)
    at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
    at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
    at cpw.mods.fml.common.Loader.initializeMods(Loader.java:737)
    ... 5 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.multiplayer.WorldClient
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 33 more
Caused by: java.lang.RuntimeException: Attempted to load class bjf for invalid side SERVER
    at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
    at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
    ... 35 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
    Minecraft Version: 1.7.10
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_241, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 4396506632 bytes (4192 MB) / 5650776064 bytes (5389 MB) up to 5726797824 bytes (5461 MB)
    JVM Flags: 2 total; -Xmx6144M -Xms6144M
    AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 65 mods loaded, 64 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
    UCHI    mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) 
    UCHI    FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10-universal.jar) 
    UCHI    Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10-universal.jar) 
    UCHI    CodeChickenCore{1.0.7.46} [CodeChicken Core] (minecraft.jar) 
    UCHI    MobiusCore{1.2.5} [MobiusCore] (minecraft.jar) 
    UCHI    NotEnoughItems{1.0.5.111} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.111-universal.jar) 
    UCHI    malisiscore{1.7.10-0.10.5+unknown-b0.git-unknown} [Malisis Core] (Malisis' Core.jar) 
    UCHI    Baubles{1.0.1.10} [Baubles] (Baubles.jar) 
    UCHI    surpriseeggs{1.0.6} [Surprise Eggs] (Adventure Backpack.jar) 
    UCHI    adventurebackpack{1.7.10-0.8b} [Adventure Backpack] (Adventure Backpack.jar) 
    UCHI    AnimationAPI{1.2.4} [AnimationAPI] (AnimationAPI.jar) 
    UCHI    armourersWorkshop{1.7.10-0.33.0.84} [Armourer's Workshop] (Armourer's Workshop.jar) 
    UCHI    asielib{0.2.7} [asielib] (asielib.jar) 
    UCHI    BiblioCraft{1.10.5} [BiblioCraft] (BiblioCraft.jar) 
    UCHI    CarpentersBlocks{3.3.6} [Carpenter's Blocks] (Carpenter's Blocks.jar) 
    UCHI    Railcraft{9.6.1.0} [Railcraft] (Railcraft.jar) 
    UCHI    chisel{2.3.10.37} [Chisel 2] (Chisel 2.jar) 
    UCHI    RDMenuServer{2.0.0.2} [RDMenuServer] (CustomMenu.jar) 
    UCHI    customnpcs{1.7.10d} [CustomNpcs] (CustomNpcs.jar) 
    UCHE    DamageIndicatorsMod{3.2.3} [Damage Indicators] (Damage Indicators.jar) 
    UCHI    darkcore{0.3} [Dark Core] (Dark Core.jar) 
    UCHI    props{2.0.2} [Decocraft] (Decocraft.jar) 
    UCHI    EE3{0.3.507} [Equivalent Exchange 3] (Equivalent Exchange 3.jar) 
    UCHI    FoodPlus{3.2rS} [§bFood Plus] (FoodPlus.jar) 
    UCHI    iChunUtil{4.2.2} [iChunUtil] (iChunUtil.jar) 
    UCHI    GraviGun{4.0.0-beta} [GraviGun] (GravityGun.jar) 
    UCHI    Hats{4.0.1} [Hats] (Hats.jar) 
    UCHI    HatStand{4.0.0} [HatStand] (HatStand-4.0.0.jar) 
    UCHI    InventoryPets{1.1.2a} [Inventory Pets] (Inventory Pets.jar) 
    UCHI    IronChest{6.0.60.741} [Iron Chest] (Iron Chest.jar) 
    UCHI    pacman{1.0.7} [Killer Pacman] (Killer Pacman.jar) 
    UCHI    lucky{5.1.0} [Lucky Block] (LuckyBlock.jar) 
    UCHI    malisisdoors{1.7.10-1.4.3} [Malisis' Doors] (Malisis' Doors.jar) 
    UCHI    mcheli{0.10.6} [MC Helicopter] (MC Helicopter.zip) 
    UCHI    battlegear2{1.7.10} [Mine & Blade Battlegear 2 - Bullseye] (Mine & Blade Battlegear 2 - Bullseye.jar) 
    UCHI    MobProperties{0.4.0} [Mob Properties] (Mob Properties.jar) 
    UCHI    Morph{0.9.1} [Morph] (Morph.jar) 
    UCHI    cfm{3.4.7} [§9MrCrayfish's Furniture Mod] (MrCrayfish's Furniture Mod.jar) 
    UCHI    MutantCreatures{1.4.8} [Mutant Creatures] (Mutant Creatures.jar) 
    UCHI    NEIAddons{1.12.10.33} [NEI Addons] (NEI Addons- Ex Nihilo.jar) 
    UCHI    NEIAddons|AppEng{1.12.10.33} [NEI Addons: Applied Energistics 2] (NEI Addons- Ex Nihilo.jar) 
    UCHI    NEIAddons|Botany{1.12.10.33} [NEI Addons: Botany] (NEI Addons- Ex Nihilo.jar) 
    UCHI    NEIAddons|Forestry{1.12.10.33} [NEI Addons: Forestry] (NEI Addons- Ex Nihilo.jar) 
    UCHI    NEIAddons|CraftingTables{1.12.10.33} [NEI Addons: Crafting Tables] (NEI Addons- Ex Nihilo.jar) 
    UCHI    NEIAddons|ExNihilo{1.12.10.33} [NEI Addons: Ex Nihilo] (NEI Addons- Ex Nihilo.jar) 
    UCHI    MapWriter{2.1.2} [MapWriter] (Opis.jar) 
    UCHI    Opis{1.2.5} [Opis] (Opis.jar) 
    UCHI    origin{3.3.0} [Origin] (Origin.jar) 
    UCHI    pandorasbox{2.0.1} [Pandora's Box] (Pandora's Box.jar) 
    UCHI    PortalGun{4.0.0-beta-4} [PortalGun] (PortalGun-4.0.0-beta-4.jar) 
    UCHI    SaintsCore{0.8} [Saintscore] (Saintscore.jar) 
    UCHI    securitycraft{v1.7.4.1} [SecurityCraft] (SecurityCraft.jar) 
    UCHI    SSTOW{1.7.10-0.1-RC9-7} [Soul Shards: The Old Ways] (Soul Shards- The Old Ways.jar) 
    UCHI    statues{2.1.3} [Statues] (Statues.jar) 
    UCHI    sus{4.1.2} [Superheroes Unlimited Mod] (Superheroes Mod.jar) 
    UCHI    TardisMod{0.99} [Tardis Mod] (Tardis Mod.jar) 
    UCHI    OreSpawn{1.7.10.20.3} [OreSpawn] (The OreSpawn Mod.zip) 
    UCHI    secretroomsmod{4.7.1} [The SecretRoomsMod] (The SecretRoomsMod.jar) 
    UCHI    TrailMix{4.0.0} [TrailMix] (TrailMix.jar) 
    UCHI    transformers{${version}} [Transformers Mod] (Transformers Mod.jar) 
    UCHI    weepingangels{3.3.2} [Weeping Angels] (Weeping Angels.jar) 
    UCHI    witchery{0.24.1} [Witchery] (Witchery.jar) 
    UCHI    YoutuberStructures{1.0} [Youtuber Structures] (Youtuber Structures.jar) 
    UCHI    youtubers{1.7.1} [Youtubers+ Mod] (Youtubers+ Mod.jar) 
    UD    asielibcore{} [AsieLib CoreMod] (minecraft.jar) 
    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'fml,forge'
    Type: Dedicated Server (map_server.txt)

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1.7 is no longer supported on this forum.

Please update to a modern version of Minecraft to receive support.

This is my Forum Signature, I am currently attempting to transform it into a small guide for fixing easier issues using spoiler blocks to keep things tidy.

 

As the most common issue I feel I should put this outside the main bulk:

The only official source for Forge is https://files.minecraftforge.net, and the only site I trust for getting mods is CurseForge.

If you use any site other than these, please take a look at the StopModReposts project and install their browser extension, I would also advise running a virus scan.

 

For players asking for assistance with Forge please expand the spoiler below and read the appropriate section(s) in its/their entirety.

Spoiler

Logs (Most issues require logs to diagnose):

Spoiler

Please post logs using one of the following sites (Thank you Lumber Wizard for the list):

https://gist.github.com/100MB Requires member (Free)

https://pastebin.com/: 512KB as guest, 10MB as Pro ($$$)

https://hastebin.com/: 400KB

Do NOT use sites like Mediafire, Dropbox, OneDrive, Google Drive, or a site that has a countdown before offering downloads.

 

What to provide:

...for Crashes and Runtime issues:

Minecraft 1.14.4 and newer:

Post debug.log

Older versions:

Please update...

 

...for Installer Issues:

Post your installer log, found in the same place you ran the installer

This log will be called either installer.log or named the same as the installer but with .log on the end

Note for Windows users:

Windows hides file extensions by default so the installer may appear without the .jar extension then when the .log is added the log will appear with the .jar extension

 

Where to get it:

Mojang Launcher: When using the Mojang launcher debug.log is found in .minecraft\logs.

 

Curse/Overwolf: If you are using the Curse Launcher, their configurations break Forge's log settings, fortunately there is an easier workaround than I originally thought, this works even with Curse's installation of the Minecraft launcher as long as it is not launched THROUGH Twitch:

Spoiler
  1. Make sure you have the correct version of Forge installed (some packs are heavily dependent on one specific build of Forge)
  2. Make a launcher profile targeting this version of Forge.
  3. Set the launcher profile's GameDir property to the pack's instance folder (not the instances folder, the folder that has the pack's name on it).
  4. Now launch the pack through that profile and follow the "Mojang Launcher" instructions above.

Video:

Spoiler

 

 

 

or alternately, 

 

Fallback ("No logs are generated"):

If you don't see logs generated in the usual place, provide the launcher_log.txt from .minecraft

 

Server Not Starting:

Spoiler

If your server does not start or a command window appears and immediately goes away, run the jar manually and provide the output.

 

Reporting Illegal/Inappropriate Adfocus Ads:

Spoiler

Get a screenshot of the URL bar or copy/paste the whole URL into a thread on the General Discussion board with a description of the Ad.

Lex will need the Ad ID contained in that URL to report it to Adfocus' support team.

 

Posting your mod as a GitHub Repo:

Spoiler

When you have an issue with your mod the most helpful thing you can do when asking for help is to provide your code to those helping you. The most convenient way to do this is via GitHub or another source control hub.

When setting up a GitHub Repo it might seem easy to just upload everything, however this method has the potential for mistakes that could lead to trouble later on, it is recommended to use a Git client or to get comfortable with the Git command line. The following instructions will use the Git Command Line and as such they assume you already have it installed and that you have created a repository.

 

  1. Open a command prompt (CMD, Powershell, Terminal, etc).
  2. Navigate to the folder you extracted Forge’s MDK to (the one that had all the licenses in).
  3. Run the following commands:
    1. git init
    2. git remote add origin [Your Repository's URL]
      • In the case of GitHub it should look like: https://GitHub.com/[Your Username]/[Repo Name].git
    3. git fetch
    4. git checkout --track origin/master
    5. git stage *
    6. git commit -m "[Your commit message]"
    7. git push
  4. Navigate to GitHub and you should now see most of the files.
    • note that it is intentional that some are not synced with GitHub and this is done with the (hidden) .gitignore file that Forge’s MDK has provided (hence the strictness on which folder git init is run from)
  5. Now you can share your GitHub link with those who you are asking for help.

[Workaround line, please ignore]

 

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