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[1.7.10][SOLVED] Weird world saved data loading bug

Posted November 28, 20159 yr

Good day everybody.

Today i met very strange bug with my world saved data:

[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: java.lang.RuntimeException: Failed to instantiate class code.elix_x.mods.wcsw.world.climat.ChunkedClimateData
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.world.storage.MapStorage.loadData(MapStorage.java:64)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at code.elix_x.mods.wcsw.world.climat.ClimateHelper.getChunkedClimateData(ClimateHelper.java:38)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at code.elix_x.mods.wcsw.world.climat.ClimateHelper.getClimateDataAt(ClimateHelper.java:28)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at code.elix_x.mods.wcsw.rtg.world.biome.realistic.RealisticBiomePool.chooseBiome(RealisticBiomePool.java:36)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at code.elix_x.mods.wcsw.world.WCSWChunkManager.getBiomeDataAt(WCSWChunkManager.java:60)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at code.elix_x.mods.wcsw.world.WCSWChunkManager.getBiomeGenAt(WCSWChunkManager.java:161)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.world.gen.structure.MapGenScatteredFeature.canSpawnStructureAtCoords(MapGenScatteredFeature.java:80)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.world.gen.structure.MapGenStructure.func_151538_a(MapGenStructure.java:43)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.world.gen.MapGenBase.func_151539_a(MapGenBase.java:33)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at code.elix_x.mods.wcsw.world.WCSWChunkProvider.recreateStructures(WCSWChunkProvider.java:675)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:49)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:144)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:119)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.server.MinecraftServer.initialWorldChunkLoad(MinecraftServer.java:305)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.server.integrated.IntegratedServer.loadAllWorlds(IntegratedServer.java:79)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.server.integrated.IntegratedServer.startServer(IntegratedServer.java:96)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:445)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:752)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: Caused by: java.lang.IllegalAccessException: Class net.minecraft.world.storage.MapStorage can not access a member of class code.elix_x.mods.wcsw.world.climat.ChunkedClimateData with modifiers "public"
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at sun.reflect.Reflection.ensureMemberAccess(Unknown Source)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(Unknown Source)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at java.lang.reflect.AccessibleObject.checkAccess(Unknown Source)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at java.lang.reflect.Constructor.newInstance(Unknown Source)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	at net.minecraft.world.storage.MapStorage.loadData(MapStorage.java:60)
[16:23:52] [server thread/INFO] [sTDERR/]: [java.lang.Throwable$WrappedPrintStream:println:-1]: 	... 21 more

This is the weird line:

Caused by: java.lang.IllegalAccessException: Class net.minecraft.world.storage.MapStorage can not access a member of class code.elix_x.mods.wcsw.world.climat.ChunkedClimateData with modifiers [b]"public"[/b]

WHAT? How can this happen?

I don't think you need any code here, but if you do, please tell me.

Thanks for help!

If you have any questions - just ask!

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November 28, 20159 yr

Since there's an issue with your WorldSavedData, how about you post the code for it?

The stacktrace traces back to these lines of code:

try
                        {
                            worldsaveddata = (WorldSavedData)p_75742_1_.getConstructor(new Class[] {String.class}).newInstance(new Object[] {p_75742_2_});
                        }

As you can see, it tries to get the constructor with a

String

as an argument. Do you have that constructor?

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1.12 -> 1.13 primer by williewillus.

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Quote

November 28, 20159 yr

Author

Since there's an issue with your WorldSavedData, how about you post the code for it?

The stacktrace traces back to these lines of code:
try
                        {
                            worldsaveddata = (WorldSavedData)p_75742_1_.getConstructor(new Class[] {String.class}).newInstance(new Object[] {p_75742_2_});
                        }
As you can see, it tries to get the constructor with a
String
as an argument. Do you have that constructor?

Yes, of course. If i didn;t have it, it would throw MethodNotFoundException.

But, anyways:

class ChunkedClimateData extends WorldSavedData {

public static final String NAME = WCSWWorldSavedDataHelper.ChunkedClimateDataFolder + "%d_%d";

private static final MBT mbt = new MBT();

private Map<ChunkPosition, ClimateData> climate = new HashMap<ChunkPosition, ClimateData>();

public Map<ChunkPosition, Double> heights = new HashMap<ChunkPosition, Double>();

public ChunkedClimateData(String name) {
	super(name);
}

public ChunkedClimateData(int x, int z) {
	super(String.format(NAME, x, z));
}

public ChunkedClimateData(ChunkPosition pos) {
	this(pos.getX(), pos.getZ());
}

public ClimateData getClimatDataAt(ChunkPosition pos) {
	//		return climate.get(pos);
	ClimateData data = climate.get(pos);
	if(data == null){
		if(-100 <= pos.getX() && pos.getX() <= 100 && -100 <= pos.getZ() && pos.getZ() <= 100){
			data = new ClimateData((100 - Math.abs(pos.getX())) / 100f, (100 - Math.abs(pos.getZ())) / 100f, /*Math.abs(pos.getX()) / 100*/ 0, /*Math.abs(pos.getZ()) / 100*/ 0, 0, 0, 0, 0, 0, 0, 0);
		} else {
			data = null;
		}
		climate.put(pos, data);
	}
	return data;
}

public double getHeightAt(ChunkPosition pos) {
	return heights.get(pos);
}

@Override
public void readFromNBT(NBTTagCompound nbt) {
	DataCopier.copyData(mbt.fromNBT(nbt.getTag("data"), ChunkedClimateData.class), this);
}

@Override
public void writeToNBT(NBTTagCompound nbt) {
	nbt.setTag("data", mbt.toNBT(this));
}

}

EDIT: Oops. Just found it. Eclipse created class without public modifier. That's weird. But issue is now fixed.

Check out my mods:

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Tools compressor

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Key bindings overhaul

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Invisi Zones

Quote

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Yes i will be uploading the mod to curse forge and modrinth you can already find a early build

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@FoxyWoxy do you potentially have an estimated time for fabric 1.21.5 and what will it be posted on (modrinth, etc.)

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I don't know that either - newer worked with Invision Community 😕

The Forum/Guides show a customized toolbar:
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I saw that it works here and also fixes the one unread thread mentioned in my first post - so I had just overlooked it

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[1.7.10][SOLVED] Weird world saved data loading bug

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