Evening; I'm posting it here to help understand if it is a Paper issue, or an issue with a plugin/datapack. By the looks, we don't even get to plugin loading, so I don't think it's that. The only incompatible datapack is the "bukkit" one which appears to get generated? Even if I delete it it reappears. I'm attaching a crash log, but the relevant console output is here:
Code:
[20:46:20 ERROR]: Encountered an unexpected exception
org.spongepowered.configurate.serialize.SerializationException: [anticheat, anti-xray, hidden-blocks] of type java.lang.String: Value must be provided as a scalar!
at org.spongepowered.configurate.serialize.ScalarSerializer.deserialize(ScalarSerializer.java:101) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.serialize.AbstractListChildSerializer.deserialize(AbstractListChildSerializer.java:69) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load0(ObjectMapperImpl.java:64) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load(ObjectMapperImpl.java:48) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperFactoryImpl.deserialize(ObjectMapperFactoryImpl.java:204) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load0(ObjectMapperImpl.java:64) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load(ObjectMapperImpl.java:48) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperFactoryImpl.deserialize(ObjectMapperFactoryImpl.java:204) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load0(ObjectMapperImpl.java:64) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load(ObjectMapperImpl.java:48) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperFactoryImpl.deserialize(ObjectMapperFactoryImpl.java:204) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.AbstractConfigurationNode.get(AbstractConfigurationNode.java:151) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.ConfigurationNode.get(ConfigurationNode.java:520) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.ConfigurationNode.require(ConfigurationNode.java:407) ~[configurate-core-4.1.2.jar:?]
at io.papermc.paper.configuration.Configurations.initializeWorldDefaultsConfiguration(Configurations.java:139) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:221) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1121) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:302) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
Suppressed: org.spongepowered.configurate.serialize.SerializationException: [anticheat, anti-xray, replacement-blocks] of type java.lang.String: Value must be provided as a scalar!
at org.spongepowered.configurate.serialize.ScalarSerializer.deserialize(ScalarSerializer.java:101) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.serialize.AbstractListChildSerializer.deserialize(AbstractListChildSerializer.java:69) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load0(ObjectMapperImpl.java:64) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load(ObjectMapperImpl.java:48) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperFactoryImpl.deserialize(ObjectMapperFactoryImpl.java:204) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load0(ObjectMapperImpl.java:64) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load(ObjectMapperImpl.java:48) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperFactoryImpl.deserialize(ObjectMapperFactoryImpl.java:204) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load0(ObjectMapperImpl.java:64) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperImpl.load(ObjectMapperImpl.java:48) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.objectmapping.ObjectMapperFactoryImpl.deserialize(ObjectMapperFactoryImpl.java:204) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.AbstractConfigurationNode.get(AbstractConfigurationNode.java:151) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.ConfigurationNode.get(ConfigurationNode.java:520) ~[configurate-core-4.1.2.jar:?]
at org.spongepowered.configurate.ConfigurationNode.require(ConfigurationNode.java:407) ~[configurate-core-4.1.2.jar:?]
at io.papermc.paper.configuration.Configurations.initializeWorldDefaultsConfiguration(Configurations.java:139) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:221) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1121) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:302) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
[20:46:20 WARN]: Failed to get system info for World Generation
java.lang.NullPointerException: Cannot invoke "net.minecraft.world.level.storage.SaveData.B()" because "this.m" is null
at net.minecraft.server.MinecraftServer.lambda$fillSystemReport$15(MinecraftServer.java:1692) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.SystemReport.setDetail(SystemReport.java:61) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.MinecraftServer.fillSystemReport(MinecraftServer.java:1691) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1213) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:302) ~[paper-1.19.jar:git-Paper-"d1b1c6f"]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
[20:46:20 ERROR]: This crash report has been saved to: /var/minecraft/./crash-reports/crash-2022-06-16_20.46.20-server.txt