Multimc5: Launcher failed to start Minecraft

Created on 18 Nov 2020  路  3Comments  路  Source: MultiMC/MultiMC5

Hello, im new to MultiMC and modpacks in general, and i havent found the solution to this problem on this site so im making a post about it. Whenever i try to launch FTB Revelation from MultiMC, it would repeatedly stop with the error message "Failed to start Minecraft" I do not know what the problem. Can someone please help me? My log is provided below this message.

MultiMC version: 0.6.11-1430

Minecraft folder is:
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/instances/FTB-Revelation-3.3.0/minecraft

Java path is:
C:/Program Files/Common Files/Oracle/Java/javapath/javaw.exe

Java is version 15.0.1, using 64-bit architecture.

Main Class:
net.minecraft.launchwrapper.Launch

Native path:
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/instances/FTB-Revelation-3.3.0/natives

Libraries:
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/java/jinput/jinput/2.0.5/jinput-2.0.5.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/java/jutils/jutils/1.0.0/jutils-1.0.0.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl/2.9.4-nightly-20150209/lwjgl-2.9.4-nightly-20150209.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl_util/2.9.4-nightly-20150209/lwjgl_util-2.9.4-nightly-20150209.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/mojang/patchy/1.1/patchy-1.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/oshi-project/oshi-core/1.1/oshi-core-1.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/java/dev/jna/jna/4.4.0/jna-4.4.0.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/java/dev/jna/platform/3.4.0/platform-3.4.0.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/sf/jopt-simple/jopt-simple/5.0.3/jopt-simple-5.0.3.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/codecjorbis/20101023/codecjorbis-20101023.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/codecwav/20101023/codecwav-20101023.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/libraryjavasound/20101123/libraryjavasound-20101123.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/librarylwjglopenal/20100824/librarylwjglopenal-20100824.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/paulscode/soundsystem/20120107/soundsystem-20120107.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/io/netty/netty-all/4.1.9.Final/netty-all-4.1.9.Final.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/google/guava/guava/21.0/guava-21.0.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/commons/commons-lang3/3.5/commons-lang3-3.5.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/commons-io/commons-io/2.5/commons-io-2.5.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/commons-codec/commons-codec/1.10/commons-codec-1.10.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/google/code/gson/gson/2.8.0/gson-2.8.0.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/mojang/authlib/1.5.25/authlib-1.5.25.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/mojang/realms/1.10.22/realms-1.10.22.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/httpcomponents/httpclient/4.3.3/httpclient-4.3.3.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/httpcomponents/httpcore/4.3.2/httpcore-4.3.2.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/it/unimi/dsi/fastutil/7.1.0/fastutil-7.1.0.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/logging/log4j/log4j-api/2.8.1/log4j-api-2.8.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/logging/log4j/log4j-core/2.8.1/log4j-core-2.8.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/mojang/text2speech/1.10.3/text2speech-1.10.3.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/minecraftforge/forge/1.12.2-14.23.5.2846/forge-1.12.2-14.23.5.2846-universal.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/minecraft/launchwrapper/1.12/launchwrapper-1.12.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/ow2/asm/asm-all/5.2/asm-all-5.2.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/jline/jline/3.5.1/jline-3.5.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/typesafe/akka/akka-actor_2.11/2.3.3/akka-actor_2.11-2.3.3.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/typesafe/config/1.2.1/config-1.2.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-actors-migration_2.11/1.1.0/scala-actors-migration_2.11-1.1.0.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-compiler/2.11.1/scala-compiler-2.11.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/plugins/scala-continuations-library_2.11/1.0.2/scala-continuations-library_2.11-1.0.2.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/plugins/scala-continuations-plugin_2.11.1/1.0.2/scala-continuations-plugin_2.11.1-1.0.2.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-library/2.11.1/scala-library-2.11.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-parser-combinators_2.11/1.0.1/scala-parser-combinators_2.11-1.0.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-reflect/2.11.1/scala-reflect-2.11.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-swing_2.11/1.0.1/scala-swing_2.11-1.0.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/scala-lang/scala-xml_2.11/1.0.2/scala-xml_2.11-1.0.2.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/lzma/lzma/0.0.1/lzma-0.0.1.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/java3d/vecmath/1.5.2/vecmath-1.5.2.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/sf/trove4j/trove4j/3.0.3/trove4j-3.0.3.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/apache/maven/maven-artifact/3.5.3/maven-artifact-3.5.3.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/mojang/minecraft/1.12.2/minecraft-1.12.2-client.jar

Native libraries:
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/net/java/jinput/jinput-platform/2.0.5/jinput-platform-2.0.5-natives-windows.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/org/lwjgl/lwjgl/lwjgl-platform/2.9.4-nightly-20150209/lwjgl-platform-2.9.4-nightly-20150209-natives-windows.jar
C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/libraries/com/mojang/text2speech/1.10.3/text2speech-1.10.3-natives-windows.jar

Mods:
[馃搧] 1.12 (folder)
[鉁旓笍] ActuallyAdditions-1.12.2-r150
[鉁旓笍] ActuallyBaubles-1.12-1.1
[鉁旓笍] Advanced Machines-61.0.1
[鉁旓笍] Advanced Solar Panels-4.3.0
[鉁旓笍] AE2WTLib-1.12.2-1.0.30
[鉁旓笍] AkashicTome-1.2-12
[鉁旓笍] AppleSkin-mc1.12-1.0.9
[鉁旓笍] appliedenergistics2-rv6-stable-7
[鉁旓笍] architecturecraft-1.12-3.98
[鉁旓笍] Aroma1997Core-1.12.2-2.0.0.2
[鉁旓笍] Aroma1997s-Dimensional-World-1.12.2-2.0.0.2.b89
[鉁旓笍] astralsorcery-1.12.2-1.10.20
[鉁旓笍] AutoRegLib-1.3-32
[鉁旓笍] badwithernocookiereloaded-1.12.2-3.3.16
[鉁旓笍] base-1.12.2-3.13.0
[鉁旓笍] Baubles-1.12-1.5.2
[鉁旓笍] bdlib-1.14.3.12-mc1.12.2
[鉁旓笍] bedpatch-2.2-1.12.2
[鉁旓笍] BetterAdvancements-1.12.2-0.1.0.77
[鉁旓笍] BetterBuildersWands-1.12-0.11.1.245+69d0d70
[鉁旓笍] BiblioCraft[v2.4.5][MC1.12.2]
[鉁旓笍] binnie-mods-1.12.2-2.5.1.188
[鉁旓笍] BiomesOPlenty-1.12.2-7.0.1.2441-universal
[鉁旓笍] blockcraftery-1.12.2-1.3.1
[鉁旓笍] BloodMagic-1.12.2-2.4.1-103
[鉁旓笍] Bookshelf-1.12.2-2.3.585
[鉁旓笍] Botania r1.10-361
[鉁旓笍] BrandonsCore-1.12.2-2.4.17.208-universal
[鉁旓笍] buildcraft-all-7.99.24.2
[鉁旓笍] careerbees-0.4.0
[鉁旓笍] cc-tweaked-1.12.2-1.84.0
[鉁旓笍] Chameleon-1.12-4.1.3
[鉁旓笍] ChestTransporter-1.12.2-2.8.8
[鉁旓笍] Chisel-MC1.12.2-0.2.1.35
[鉁旓笍] chiselsandbits-14.33
[鉁旓笍] Clumps-3.1.2
[鉁旓笍] CodeChickenLib-1.12.2-3.2.3.357-universal
[鉁旓笍] CoFHCore-1.12.2-4.6.3.27-universal
[鉁旓笍] CoFHWorld-1.12.2-1.3.1.7-universal
[鉁旓笍] CompactSolars-1.12.2-5.0.18.341-universal
[鉁旓笍] conarm-1.12.2-1.2.4
[鉁旓笍] Controlling-3.0.7
[鉁旓笍] CookingForBlockheads_1.12.2-6.4.71
[鉁旓笍] CraftTweaker2-1.12-4.1.19
[鉁旓笍] CTM-MC1.12.2-0.3.3.22
[鉁旓笍] CustomMainMenu-MC1.12.2-2.0.9
[鉁旓笍] DankNull-1.12.2-1.6.77
[鉁旓笍] DarkUtils-1.12.2-1.8.226
[鉁旓笍] deepresonance-1.12-1.8.0
[鉁旓笍] DefaultOptions_1.12.2-9.2.8
[鉁旓笍] diethopper-1.1
[鉁旓笍] dirt2path-1.8.0
[鉁旓笍] Draconic-Evolution-1.12.2-2.3.24.349-universal
[鉁旓笍] ElecCore-1.12.2-1.9.452
[鉁旓笍] EnderCore-1.12.2-0.5.68
[鉁旓笍] EnderIO-1.12.2-5.1.51
[鉁旓笍] EnderStorage-1.12.2-2.4.6.137-universal
[鉁旓笍] engineers_doors-1.12.2-0.8.0
[鉁旓笍] EngineersWorkshopReborn-1.12.2-1.0.9.40
[鉁旓笍] environmentaltech-1.12.2-2.0.20.1
[鉁旓笍] etlunar-1.12.2-2.0.20.1
[鉁旓笍] Exchangers-1.12.2-2.8
[鉁旓笍] extrautils2-1.12-1.9.9
[鉁旓笍] ExtremeReactors-1.12.2-0.4.5.67
[鉁旓笍] FastWorkbench-1.12.2-1.7.2
[鉁旓笍] fencejumper-1.12-1.0.5
[鉁旓笍] flatcoloredblocks-mc1.12-6.8
[鉁旓笍] fluxnetworks-1.12.2-3.0.19-21
[鉁旓笍] foamfix-0.10.5-1.12.2
[鉁旓笍] forestry_1.12.2-5.8.2.394
[鉁旓笍] Forgelin-1.8.3
[鉁旓笍] ForgeMultipart-1.12.2-2.6.2.83-universal
[鉁旓笍] FTBGuides-1.0.2.33
[鉁旓笍] FTBLib-5.4.3.133
[鉁旓笍] FTBUtilities-5.4.0.102
[鉁旓笍] FTBUtilitiesBackups-1.0.0.5
[鉁旓笍] gendustry-1.6.5.8-mc1.12.2
[鉁旓笍] Gravitation Suite-3.1.1
[鉁旓笍] Guide-API-1.12-2.1.8-63
[鉁旓笍] Harvest-1.12-1.2.7-20
[鉁旓笍] ImmersiveCables-1.12.2-1.3.2
[鉁旓笍] ImmersiveEngineering-0.12-91
[鉁旓笍] immersivepetroleum-1.12.2-1.1.9
[鉁旓笍] industrialcraft-2-2.8.187-ex112
[鉁旓笍] industrialforegoing-1.12.2-1.12.13-237
[鉁旓笍] IndustrialWires-1.7-36
[鉁旓笍] InitialInventory-3.0.0
[鉁旓笍] IntegrationForegoing-1.12.2-1.9
[鉁旓笍] InventoryTweaks-1.63
[鉁旓笍] IronBackpacks-1.12.2-3.0.8-12
[鉁旓笍] ironchest-1.12.2-7.0.72.847
[鉁旓笍] jehc-1.12.2-1.6.4
[鉁旓笍] jei_1.12.2-4.15.0.268
[鉁旓笍] jeibees-0.9.0.5-mc1.12.2
[鉁旓笍] jeiintegration_1.12.2-1.5.1.36
[鉁旓笍] journeymap-1.12.2-5.5.5
[鉁旓笍] JustEnoughResources-1.12.2-0.9.2.60
[鉁旓笍] letsencryptcraft-1.10.2-1.2.0
[鉁旓笍] longfallboots-1.2.1b
[鉁旓笍] lostcities-1.12-2.0.21
[鉁旓笍] MagicBees-1.12.2-3.1.10
[鉁旓笍] Mantle-1.12-1.3.3.55
[鉁旓笍] mcjtylib-1.12-3.5.4
[鉁旓笍] MCMultiPart-2.5.3
[馃搧] memory_repo (folder)
[鉁旓笍] MineTogether-1.12.2-2.3.6
[鉁旓笍] modnametooltip_1.12.2-1.10.1
[鉁旓笍] modtweaker-4.0.17
[鉁旓笍] moreoverlays-1.15.1-mc1.12.2
[鉁旓笍] Morpheus-1.12.2-3.5.106
[鉁旓笍] Morph-o-Tool-1.2-21
[鉁旓笍] MouseTweaks-2.10-mc1.12.2
[鉁旓笍] MrTJPCore-1.12.2-2.1.4.43-universal
[鉁旓笍] MTLib-3.0.6
[鉁旓笍] mysticallib-1.12.2-1.3.6
[鉁旓笍] natura-1.12.2-4.3.2.69
[鉁旓笍] NaturesCompass-1.12.2-1.5.1
[鉁旓笍] nice-1.12-0.4.0
[鉁旓笍] NotEnoughIDs-1.5.4.4
[鉁旓笍] notenoughwands-1.12-1.8.1
[鉁旓笍] OpenBlocks-1.12.2-1.8.1
[鉁旓笍] OpenModsLib-1.12.2-0.12.2
[鉁旓笍] p455w0rdslib-1.12.2-2.2.156
[鉁旓笍] Pam's HarvestCraft 1.12.2zf
[鉁旓笍] Patchouli-1.0-20
[鉁旓笍] phosphor-1.12.2-0.2.6+build50-universal
[鉁旓笍] Placebo-1.12.2-1.6.0
[鉁旓笍] platforms-1.12.0-1.4.6
[鉁旓笍] ProjectRed-1.12.2-4.9.4.120-Base
[鉁旓笍] ProjectRed-1.12.2-4.9.4.120-compat
[鉁旓笍] ProjectRed-1.12.2-4.9.4.120-fabrication
[鉁旓笍] ProjectRed-1.12.2-4.9.4.120-integration
[鉁旓笍] ProjectRed-1.12.2-4.9.4.120-lighting
[鉁旓笍] ProjectRed-1.12.2-4.9.4.120-mechanical
[鉁旓笍] ProjectRed-1.12.2-4.9.4.120-world
[鉁旓笍] Quark-r1.6-177
[鉁旓笍] QuickLeafDecay-MC1.12.1-1.2.4
[鉁旓笍] railcraft-12.0.0
[鉁旓笍] randompatches-1.12.2-1.18.1.1
[鉁旓笍] rangedpumps-0.5
[鉁旓笍] reauth-3.6.0
[鉁旓笍] RebornCore-1.12.2-3.16.0.469-universal
[鉁旓笍] RebornStorage-1.12.2-3.3.4.85
[鉁旓笍] RedstoneArsenal-1.12.2-2.6.3.18-universal
[鉁旓笍] RedstoneFlux-1.12-2.1.0.6-universal
[鉁旓笍] refinedstorage-1.6.15
[鉁旓笍] refinedstorageaddons-0.4.4
[鉁旓笍] Reliquary-1.12.2-1.3.4.796
[鉁旓笍] ResourceLoader-MC1.12.1-1.5.3
[鉁旓笍] rftools-1.12-7.72
[鉁旓笍] rftoolsctrl-1.12-2.0.2
[鉁旓笍] rftoolspower-1.12-1.2.0
[鉁旓笍] rustic-1.1.1
[鉁旓笍] ShadowMC-1.12-3.8.0
[鉁旓笍] shetiphiancore-1.12.0-3.5.9
[鉁旓笍] Simple-Void-World-1.12-1.2.0.9-universal
[鉁旓笍] SimplyJetpacks2-1.12.2-2.2.13.66
[鉁旓笍] Snad-1.12.1-1.7.09.16a
[鉁旓笍] sonarcore-1.12.2-5.0.19-20
[鉁旓笍] SoulShardsRespawn-1.12.2-1.1.1-13
[鉁旓笍] SplashAnimation-0.2.1
[鉁旓笍] StevesCarts-1.12.2-2.4.31.135
[鉁旓笍] StorageDrawers-1.12.2-5.4.0
[鉁旓笍] StorageDrawersExtras-1.12-3.1.0
[鉁旓笍] TConstruct-1.12.2-2.12.0.157
[鉁旓笍] tesla-core-lib-1.12.2-1.0.15
[鉁旓笍] Thaumcraft-1.12.2-6.1.BETA26
[鉁旓笍] ThaumicInventoryScanning_1.12.2-2.0.10
[鉁旓笍] ThaumicJEI-1.12.2-1.6.0-27
[鉁旓笍] theoneprobe-1.12-1.4.28
[鉁旓笍] ThermalCultivation-1.12.2-0.3.3.12-universal
[鉁旓笍] ThermalDynamics-1.12.2-2.5.5.21-universal
[鉁旓笍] ThermalExpansion-1.12.2-5.5.4.43-universal
[鉁旓笍] ThermalFoundation-1.12.2-2.6.3.27-universal
[鉁旓笍] ThermalInnovation-1.12.2-0.3.3.12-universal
[鉁旓笍] thutcore-1.12.2-5.21.0
[鉁旓笍] thuttech-1.12.2-6.1.6
[鉁旓笍] TinkerToolLeveling-1.12.2-1.1.0
[鉁旓笍] TipTheScales-1.12.2-1.0.4
[鉁旓笍] topaddons-1.12.2-1.11.0
[鉁旓笍] torchmaster_1.12.2-1.8.0.79
[鉁旓笍] Translocators-1.12.2-2.5.2.81-universal
[鉁旓笍] twilightforest-1.12.2-3.9.984-universal
[鉁旓笍] UniDict-1.12.2-2.9.2
[鉁旓笍] valkyrielib-1.12.2-2.0.20.1
[鉁旓笍] WanionLib-1.12.2-2.2
[鉁旓笍] Waystones_1.12.2-4.0.72
[鉁旓笍] WirelessCraftingTerminal-1.12.2-3.12.93
[鉁旓笍] woot-1.12.2-1.4.11
[鉁旓笍] xnet-1.12-1.8.2
[鉁旓笍] Xtones-1.12-1.0.8-11
[鉁旓笍] YABBA-1.1.2.53
[鉁旓笍] zerocore-1.12.2-0.1.2.8

Params:
--username --version MultiMC5 --gameDir C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/instances/FTB-Revelation-3.3.0/minecraft --assetsDir C:/Users/rayya/Downloads/mmc-stable-win32/MultiMC/assets --assetIndex 1.12 --uuid --accessToken --userType --versionType release --tweakClass net.minecraftforge.fml.common.launcher.FMLTweaker

Window size: 854 x 480

Java Arguments:
[-XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump, -Xms512m, -Xmx1024m, -Duser.language=en]

Minecraft process ID: 21000

Using onesix launcher.

Failed to start Minecraft:
java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:196)
at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:231)
at org.multimc.EntryPoint.listen(EntryPoint.java:143)
at org.multimc.EntryPoint.main(EntryPoint.java:34)
Caused by: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap')
at net.minecraft.launchwrapper.Launch.(Launch.java:34)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
... 8 more
Exiting with -1
Process exited with code -1.
MultiMC: Log upload triggered at: 17 Nov 2020 16:51:00 -0700

picture Ray2o

Most helpful comment

U have the wrong java version and u don't have enough ram allocated.
Look here to how to fix it:
https://github.com/MultiMC/MultiMC5/wiki/Using-the-right-Java

picture ReiDaTecnologia on 18 Nov 2020
👍2

All 3 comments

U have the wrong java version and u don't have enough ram allocated.
Look here to how to fix it:
https://github.com/MultiMC/MultiMC5/wiki/Using-the-right-Java

ReiDaTecnologia picture ReiDaTecnologia on 18 Nov 2020
👍2

how do i allocate enough ram?

Ray2o picture Ray2o on 18 Nov 2020

how do i allocate enough ram?

Bottom of that wiki page i linked.

ReiDaTecnologia picture ReiDaTecnologia on 18 Nov 2020
👍1
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