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Java and you: How to avoid crashes

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Lordyammer

By Lordyammer
in Modder Support

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Draco18s Reality Controller

Draco18s

Posted
Posted (edited)
1 hour ago, Lordyammer said:

is wich topics should i know in order to start moding

Objects, inheritance, overriding, methods, variables, singletons, event driven design, and probably a bunch more.

 

"Learning how to search for answers" being a very valuable tool regardless of what language you're working with (for instance, I see and vote-to-close-as-duplicate "I got this error it said something about null references?" question on Stack Overflow about twice a day).

Edited by Draco18s

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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    • nidapro
      Minecraft crashes with error: "Error: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0" and exit code of -1

      By nidapro · Posted

      I was plating on a aternos server with my friend. My friend logged of and I was alone. I installed some mods. In one moment I used the basuca from the a.v.a gun mod and the game suddenly crashed. I used the basuca when my friend was online and everything was perfect. I readed a lot of posts and edited the java execution command parameters. But nothing worked. I tried chaning the memory ram using this parameter -Xmx<MemoryRam>G But nothing worked. I even setted -Xmx15G and more it didn' work Can someone help me? These are the crash logs (Some information is removed for security as usernames and more.):   ---- Minecraft Crash Report ---- // Don't be sad, have a hug! <3 Time: 6/2/23 5:02 PM Description: Unexpected error java.lang.IndexOutOfBoundsException: Index: 0, Size: 0     at java.util.ArrayList.rangeCheck(ArrayList.java:653) ~[?:1.8.0_51] {}     at java.util.ArrayList.get(ArrayList.java:429) ~[?:1.8.0_51] {}     at pellucid.ava.misc.renderers.AVABakedModel.getPerspectiveInBetween(AVABakedModel.java:426) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.AVABakedModel.getPerspectiveInBetween(AVABakedModel.java:407) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.AVABakedModel.getPerspectiveInBetween(AVABakedModel.java:402) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.models.ModifiedGunModel.modifyPerspective(ModifiedGunModel.java:486) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.models.ModifiedGunModel.modifyPerspective(ModifiedGunModel.java:426) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.models.m202.M202Model.handlePerspective(M202Model.java:131) ~[?:1.9.8.77965] {re:classloading}     at net.minecraftforge.client.ForgeHooksClient.handleCameraTransforms(ForgeHooksClient.java:416) ~[?:?] {re:classloading}     at net.minecraft.client.renderer.ItemRenderer.func_229111_a_(ItemRenderer.java:98) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.ItemRenderer.func_229109_a_(ItemRenderer.java:207) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.FirstPersonRenderer.func_228397_a_(FirstPersonRenderer.java:50) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:mixin:APP:ava.mixins.json:client.FirstPersonRendererMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.FirstPersonRenderer.func_228405_a_(FirstPersonRenderer.java:390) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:mixin:APP:ava.mixins.json:client.FirstPersonRendererMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.FirstPersonRenderer.func_228396_a_(FirstPersonRenderer.java:244) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:mixin:APP:ava.mixins.json:client.FirstPersonRendererMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.GameRenderer.func_228381_a_(GameRenderer.java:369) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.GameRenderer.func_228378_a_(GameRenderer.java:614) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.GameRenderer.func_195458_a(GameRenderer.java:425) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.func_195542_b(Minecraft.java:977) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:flywheel.mixins.json:ShaderCloseMixin,pl:mixin:APP:create.mixins.json:WindowResizeMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:607) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:flywheel.mixins.json:ShaderCloseMixin,pl:mixin:APP:create.mixins.json:WindowResizeMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.main.Main.main(Main.java:184) [?:?] {re:classloading,pl:runtimedistcleaner:A}     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}     at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}     at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.16.5-36.2.34.jar:36.2] {}     at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$457/646445398.call(Unknown Source) [forge-1.16.5-36.2.34.jar:36.2] {}     at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {} A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace:     at java.util.ArrayList.rangeCheck(ArrayList.java:653) ~[?:1.8.0_51] {}     at java.util.ArrayList.get(ArrayList.java:429) ~[?:1.8.0_51] {}     at pellucid.ava.misc.renderers.AVABakedModel.getPerspectiveInBetween(AVABakedModel.java:426) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.AVABakedModel.getPerspectiveInBetween(AVABakedModel.java:407) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.AVABakedModel.getPerspectiveInBetween(AVABakedModel.java:402) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.models.ModifiedGunModel.modifyPerspective(ModifiedGunModel.java:486) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.models.ModifiedGunModel.modifyPerspective(ModifiedGunModel.java:426) ~[?:1.9.8.77965] {re:classloading}     at pellucid.ava.misc.renderers.models.m202.M202Model.handlePerspective(M202Model.java:131) ~[?:1.9.8.77965] {re:classloading}     at net.minecraftforge.client.ForgeHooksClient.handleCameraTransforms(ForgeHooksClient.java:416) ~[?:?] {re:classloading}     at net.minecraft.client.renderer.ItemRenderer.func_229111_a_(ItemRenderer.java:98) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.ItemRenderer.func_229109_a_(ItemRenderer.java:207) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.FirstPersonRenderer.func_228397_a_(FirstPersonRenderer.java:50) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:mixin:APP:ava.mixins.json:client.FirstPersonRendererMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.FirstPersonRenderer.func_228405_a_(FirstPersonRenderer.java:390) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:mixin:APP:ava.mixins.json:client.FirstPersonRendererMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.FirstPersonRenderer.func_228396_a_(FirstPersonRenderer.java:244) ~[?:?] {re:mixin,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,xf:fml:forge:bows.1,xf:fml:forge:crossbows.0,xf:fml:forge:crossbows.1,xf:fml:forge:filled_map.0,pl:mixin:APP:ava.mixins.json:client.FirstPersonRendererMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.GameRenderer.func_228381_a_(GameRenderer.java:369) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.renderer.GameRenderer.func_228378_a_(GameRenderer.java:614) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:A,pl:runtimedistcleaner:A} -- Affected level -- Details:     All players: 1 total; [ClientPlayerEntity['***'/7634, l='ClientLevel', x=171.66, y=86.86, z=-217.27]]     Chunk stats: Client Chunk Cache: 289, 169     Level dimension: minecraft:overworld     Level spawn location: World: (128,64,-224), Chunk: (at 0,4,0 in 8,-14; contains blocks 128,0,-224 to 143,255,-209), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)     Level time: 111187 game time, 117018 day time     Server brand: forge     Server type: Non-integrated multiplayer server Stacktrace:     at net.minecraft.client.world.ClientWorld.func_72914_a(ClientWorld.java:447) ~[?:?] {re:mixin,pl:runtimedistcleaner:A,re:classloading,pl:mixin:APP:create.mixins.json:BreakProgressMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2031) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:flywheel.mixins.json:ShaderCloseMixin,pl:mixin:APP:create.mixins.json:WindowResizeMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:628) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:flywheel.mixins.json:ShaderCloseMixin,pl:mixin:APP:create.mixins.json:WindowResizeMixin,pl:mixin:A,pl:runtimedistcleaner:A}     at net.minecraft.client.main.Main.main(Main.java:184) [?:?] {re:classloading,pl:runtimedistcleaner:A}     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}     at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}     at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.16.5-36.2.34.jar:36.2] {}     at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$457/646445398.call(Unknown Source) [forge-1.16.5-36.2.34.jar:36.2] {}     at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {} -- 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_51, Oracle Corporation     Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation     Memory: 847399824 bytes (808 MB) / 2227699712 bytes (2124 MB) up to 3817865216 bytes (3641 MB)     CPUs: 24     JVM Flags: 5 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx15G -Xmx4096m -Xms256m     ModLauncher: 8.1.3+8.1.3+main-8.1.x.c94d18ec     ModLauncher launch target: fmlclient     ModLauncher naming: srg     ModLauncher services:          /mixin-0.8.4.jar mixin PLUGINSERVICE          /eventbus-4.0.0.jar eventbus PLUGINSERVICE          /forge-1.16.5-36.2.34.jar object_holder_definalize PLUGINSERVICE          /forge-1.16.5-36.2.34.jar runtime_enum_extender PLUGINSERVICE          /accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE          /forge-1.16.5-36.2.34.jar capability_inject_definalize PLUGINSERVICE          /forge-1.16.5-36.2.34.jar runtimedistcleaner PLUGINSERVICE          /mixin-0.8.4.jar mixin TRANSFORMATIONSERVICE          /forge-1.16.5-36.2.34.jar fml TRANSFORMATIONSERVICE      FML: 36.2     Forge: net.minecraftforge:36.2.34     FML Language Providers:          javafml@36.2         minecraft@1     Mod List:          forge-1.16.5-36.2.34-client.jar                   |Minecraft                     |minecraft                     |1.16.5              |DONE      |Manifest: NOSIGNATURE         forge-1.16.5-36.2.34-universal.jar                |Forge                         |forge                         |36.2.34             |DONE      |Manifest: 22:af:21:d8:19:82:7f:93:94:fe:2b:ac:b7:e4:41:57:68:39:87:b1:a7:5c:c6:44:f9:25:74:21:14:f5:0d:90         flywheel-1.16-0.2.5.jar                           |Flywheel                      |flywheel                      |1.16-0.2.5          |DONE      |Manifest: NOSIGNATURE         create-mc1.16.5_v0.3.2g.jar                       |Create                        |create                        |v0.3.2g             |DONE      |Manifest: NOSIGNATURE         ava-1.16.5-1.9.8.77965.jar                        |A.V.A - Alliance of Valiant Ar|ava                           |1.9.8.77965         |DONE      |Manifest: NOSIGNATURE         citadel-1.8.1-1.16.5.jar                          |Citadel                       |citadel                       |1.8.1               |DONE      |Manifest: NOSIGNATURE         iceandfire-2.1.12-1.16.5.jar                      |Ice and Fire                  |iceandfire                    |2.1.12-1.16.5       |DONE      |Manifest: NOSIGNATURE     Crash Report UUID: 6a363432-f2b6-40b6-b01c-3e44f1efd634     Launched Version: forge-36.2.34     Backend library: LWJGL version 3.2.2 build 10     Backend API: ***     GL Caps: Using framebuffer using OpenGL 3.0     Using VBOs: Yes     Is Modded: Definitely; Client brand changed to 'forge'     Type: Client (map_client.txt)     Graphics mode: fancy     Resource Packs:      Current Language: English (US)     CPU: ***
    • Shreyas R
      Add Enchant to a custom sword

      By Shreyas R · Posted

      So what is the code for enchanting and where is the #accept?
    • CassAsmolith
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      By CassAsmolith · Posted

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    • zlappedx3
      [1.19.4] I have a slight issue regarding placed features.

      By zlappedx3 · Posted

      I have completed everything you mentioned, and here is an example from GitHub: https://github.com/Tutorials-By-Kaupenjoe/Forge-Tutorial-1.19.3/blob/7-treeGeneration I would like you to look at the two main classes as follows: ModConfiguredFeatures, located in the package net.kaupenjoe.tutorialmod.worldgen ModWorldGenProvider, located in the package net.kaupenjoe.tutorialmod.datagen If you're using version 1.19.4-45.0.39 without updating to 45.0.40, the mentioned code works fine. However, if you switch to version 45.0.40 and try to add the method ModConfiguredFeatures::bootstrap, there will be an immediate issue. It seems like it cannot accept a method with a parameter as an instance, but it can still work properly with an instance that doesn't have an instant parameter, such as BootstapContext<PlacedFeature>.
    • ChampionAsh5357
      How to render items and armor on your humanoid mob

      By ChampionAsh5357 · Posted

      Ignoring the mismatched format, this doesn't really explain anything about what is needed. First, you have a bunch of random classes which you don't define: ExampleEntityModel, the layer location, model layers, etc. Even if they are not relevant, you should just hide them behind a `//...` so they don't detract from your main point. For example, what about registering the layer definitions? the entity renderer? Anything that is not explained should be mentioned to use the same method as usual. You should also explain why adding those two layers would do what you needed. Additionally, you need to explain when a different model layer should be used, since not all mobs will have the exact same dimensions as the player (e.g., piglin).  This will crash, it needs a semicolon. This is already added for HumanoidMobRenderer, so it is redundant. This will crash, you need to pass in a ModelManager from the context. Additionally, the type parameter for HumanoidModel should be inferred and not just removed.  

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