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Creating a block gives error 1.16.5

DracoDoes

By DracoDoes
in Modder Support

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DracoDoes Tree Puncher

DracoDoes

Posted
Posted (edited)

I'm trying to add a simple block for the first time in MineCraft Forge. I get following error:

 

Stacktrace:
    at com.mcexamples.examplemod.BlockSimple.<init>(BlockSimple.java:22) ~[mcexamples:1.0] {re:classloading}
-- MOD mcexamples --
Details:
    Mod File: mcexamples-1.0.jar
    Failure message: CrazyBoys Mod (mcexamples) encountered an error during the load_registries event phase
        java.lang.NoSuchFieldError: field_151573_f
    Mod Version: 1.0
    Mod Issue URL: NOT PROVIDED
    Exception message: java.lang.NoSuchFieldError: field_151573_f
Stacktrace:
    at com.mcexamples.examplemod.BlockSimple.<init>(BlockSimple.java:22) ~[main/:?] {re:classloading}
    at com.mcexamples.examplemod.StartupCommon.registerBlocks(StartupCommon.java:34) ~[main/:?] {re:classloading}
    at net.minecraftforge.eventbus.ASMEventHandler_1_StartupCommon_registerBlocks_Register.invoke(.dynamic) ~[?:?] {}

 

-- System Details --
Details:
    Minecraft Version: 1.16.5
    Minecraft Version ID: 1.16.5
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_291, Oracle Corporation

FML: 36.1
    Forge: net.minecraftforge:36.1.0
    FML Language Providers: 
        javafml@36.1
        minecraft@1

 

Block class :: I'm trying to simplify the Block as much as I can.

 

public class BlockSimple extends Block {

      private static final String REGISTRY_NAME = "block_simple_registry_name.json";

    public BlockSimple() {
        
         super(AbstractBlock.Properties.of(Material.METAL));
                    //.sound(SoundType.METAL)
                    //.strength(2.0f));
                    //.lightLevel(state -> state.getValue(BlockStateProperties.POWERED) ? 14 : 0)
            //);
    }

     

     @Nullable
        @Override
        public BlockState getStateForPlacement(BlockItemUseContext context) {
            return defaultBlockState().setValue(BlockStateProperties.FACING, context.getNearestLookingDirection().getOpposite());
        }

 

//in other class calling this Block as follows::

 

  @SubscribeEvent
      public static void registerBlocks(RegistryEvent.Register<Block> event) {
         System.out.println("in register block of sc : " + event.getName() + "  reg name : " + event.getRegistry().getRegistryName());
          blockSimple1 = (BlockSimple) new BlockSimple().setRegistryName("mcexamples", "block_simple_registry_name");  //this line gives above error         
                
        System.out.println("block registered :" + blockSimple1);
        event.getRegistry().register(blockSimple1);

Edited by DracoDoes
ChampionAsh5357 Reality Controller

ChampionAsh5357

Posted
Posted
  On 5/20/2021 at 4:08 PM, DracoDoes said:

Block class :: I'm trying to simplify the Block as much as I can.

Expand  

Don't simplify. Provide an exact paste of the entire class. Simplification means you're filtering out code you think might not be relevant but might be actually causing the error. It's preferable if you can provide a repo to your codebase instead of just snippets though because the above error suggests that you're trying to refer to an unmapped field.

kiou.23 Diamond Finder

kiou.23

Posted
Posted

Please, for the love of god, don't just paste your code as plain text, it's painfull to try and read it. The forums has a tool that you can use to post code, it will even do syntax highliting, you just click on the angle brackets that show up on the top of the textarea you use to make the post (near the smiley)

Same goes for error logs, post them in something like gist or pastebin, or use the code thing, makes it waaay easier to read

 

Don't register your blocks through Registry Events, the preferred way is to use DeferredRegisters, you can find more info on it in the docs

It seems that you are trying to set some block state in getStateForPlacement, however your blocks has no block states, you need to set the defaultState in the constructor, and then override fillStateContainer, to "register" your states

If fixing the blockstate, and using DeferredRegisters doesn't solve your issue, post your build.gradle file

DracoDoes Tree Puncher

DracoDoes

Posted
  • Author
Posted

thanks for reply. I tried to use DeferredRegister to register blocks. Now, I get this error:

https://github.com/MacDax/McraftForge 

Details:
	Mod File: mcexamples-1.0.jar
	Failure message: CrazyBoys Mod (mcexamples) encountered an error during the error event phase
		java.lang.NullPointerException: Registry Object not present: mcexamples:silver_block
	Mod Version: 1.0
	Mod Issue URL: NOT PROVIDED
	Exception message: java.lang.NullPointerException: Registry Object not present: mcexamples:silver_block

build.gradle

 

 

build.gradleFetching info...

Draco18s Reality Controller

Draco18s

Posted
Posted
  On 5/20/2021 at 7:35 PM, DracoDoes said:

I tried to use DeferredRegister to register blocks

Expand  

This is still a registry event. You should also make your items use a deferred register.

 

By the way, what is this, why is it here, and why does it have a .json?
https://github.com/MacDax/McraftForge/blob/master/src/main/java/com/mcexamples/examplemod/BlockSimple.java#L22

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

DracoDoes Tree Puncher

DracoDoes

Posted
  • Author
Posted

Still getting the same error. Added items and block and used DeferredRegistry to register the same. Commented out method with "subscribeEvent" annotation in "main" type class. But still the same error:

  Quote 
[21May2021 11:03:03.823] [Render thread/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Caught exception during event RegistryEvent.Register<minecraft:block> dispatch for modid mcexamples
java.lang.NoSuchFieldError: field_151573_f
	at com.mcexamples.lists.BlockList.lambda$static$0(BlockList.java:19) ~[main/:?]
	at net.minecraftforge.registries.DeferredRegister.lambda$register$0(DeferredRegister.java:124) ~[forge-1.16.5-36.1.0_mapped_official_1.16.5-recomp.jar:?]
	at net.minecraftforge.registries.DeferredRegister.addEntries(DeferredRegister.java:200) ~[forge-1.16.5-36.1.0_mapped_official_1.16.5-recomp.jar:?]
	at net.minecraftforge.registries.DeferredRegister.access$000(DeferredRegister.java:61) ~[forge-1.16.5-36.1.0_mapped_official_1.16.5-recomp.jar:?]

[21May2021 11:03:03.977] [Render thread/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Caught exception during event RegistryEvent.Register<minecraft:item> dispatch for modid mcexamples
java.lang.NoSuchFieldError: field_78037_j
	at com.mcexamples.lists.ItemList.lambda$static$0(ItemList.java:19) ~[main/:?]

 

Expand  

https://github.com/MacDax/McraftForge

 

Thanks

Sonal

Draco18s Reality Controller

Draco18s

Posted
Posted

Just FYI:

This:
https://github.com/MacDax/McraftForge/blob/master/src/main/java/com/mcexamples/examplemod/ExampleMod.java#L46

This:
https://github.com/MacDax/McraftForge/blob/master/src/main/java/com/mcexamples/examplemod/ExampleMod.java#L65

And this:
https://github.com/MacDax/McraftForge/blob/master/src/main/java/com/mcexamples/examplemod/ExampleMod.java#L82

All do the same thing: register this class's annotated or otherwise indicated methods with a given event bus (of which there are two: line 46 and 65 are registering things with the mod bus, 82 is registering with the Forge bus; on top of that line 71 stores one of those busses (the mod bus) to a local variable despite having already said "fuck local variables" earlier on line 65 and again on 72).

Not to mention that half of the registered event methods do fucking nothing, like these:
https://github.com/MacDax/McraftForge/blob/master/src/main/java/com/mcexamples/examplemod/ExampleMod.java#L106-L111
https://github.com/MacDax/McraftForge/blob/master/src/main/java/com/mcexamples/examplemod/ExampleMod.java#L125-L143

Additionally, client code will crash the dedicated server:
https://github.com/MacDax/McraftForge/blob/master/src/main/java/com/mcexamples/examplemod/ExampleMod.java#L113-L123

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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