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Type: Bug
Resolution: Unresolved
Priority: Minor
Fix Version/s: None
Affects Version/s: None
Labels:
- ConfigurationSerializable
- PersistentDataContainer

Version:
CraftBukkit version 3053-Spigot-4225eac-69c8e78 (MC: 1.16.5)
Guidelines Read:
Yes

When using an ItemMeta's PersistentDataContainer and adding a PersistentDataType.STRING with a value containing a JSON array, it cannot be loaded from a YamlConfiguration afterwards.

Small example plugin: https://pastebin.com/KdjUQLPA (See line 32)

Stacktrace:

[11:01:07] [Server thread/ERROR]: Could not call method 'public static org.bukkit.inventory.meta.ItemMeta org.bukkit.craftbukkit.v1_16_R3.inventory.CraftMetaItem$SerializableMeta.deserialize(java.util.Map) throws java.lang.Throwable' of class org.bukkit.craftbukkit.v1_16_R3.inventory.CraftMetaItem$SerializableMeta for deserialization
java.lang.RuntimeException: Could not deserialize found list
        at org.bukkit.craftbukkit.v1_16_R3.util.CraftNBTTagConfigSerializer.deserialize(CraftNBTTagConfigSerializer.java:77) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.craftbukkit.v1_16_R3.util.CraftNBTTagConfigSerializer.deserialize(CraftNBTTagConfigSerializer.java:54) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.craftbukkit.v1_16_R3.inventory.CraftMetaItem.<init>(CraftMetaItem.java:537) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.craftbukkit.v1_16_R3.inventory.CraftMetaBlockState.<init>(CraftMetaBlockState.java:111) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_271]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_271]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_271]
        at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_271]
        at org.bukkit.craftbukkit.v1_16_R3.inventory.CraftMetaItem$SerializableMeta.deserialize(CraftMetaItem.java:191) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_271]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_271]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_271]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_271]
        at org.bukkit.configuration.serialization.ConfigurationSerialization.deserializeViaMethod(ConfigurationSerialization.java:85) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.serialization.ConfigurationSerialization.deserialize(ConfigurationSerialization.java:127) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.serialization.ConfigurationSerialization.deserializeObject(ConfigurationSerialization.java:207) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.file.YamlConstructor$ConstructCustomObject.construct(YamlConstructor.java:37) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructObjectNoCheck(BaseConstructor.java:229) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:219) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructMapping2ndStep(BaseConstructor.java:479) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.SafeConstructor.constructMapping2ndStep(SafeConstructor.java:190) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructMapping(BaseConstructor.java:460) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.SafeConstructor$ConstructYamlMap.construct(SafeConstructor.java:556) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.file.YamlConstructor$ConstructCustomObject.construct(YamlConstructor.java:28) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructObjectNoCheck(BaseConstructor.java:229) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:219) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructMapping2ndStep(BaseConstructor.java:479) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.SafeConstructor.constructMapping2ndStep(SafeConstructor.java:190) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructMapping(BaseConstructor.java:460) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.SafeConstructor$ConstructYamlMap.construct(SafeConstructor.java:556) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.file.YamlConstructor$ConstructCustomObject.construct(YamlConstructor.java:28) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructObjectNoCheck(BaseConstructor.java:229) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:219) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(BaseConstructor.java:173) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:157) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:490) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.yaml.snakeyaml.Yaml.load(Yaml.java:416) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:57) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:160) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:128) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.configuration.file.YamlConfiguration.loadConfiguration(YamlConfiguration.java:188) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at de.jeff_media.nbtserialization.Main.onEnable(Main.java:48) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:351) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:480) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:493) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:407) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at net.minecraft.server.v1_16_R3.MinecraftServer.loadWorld(MinecraftServer.java:555) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:257) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:928) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:273) ~[spigot-1.16.5.jar:3053-Spigot-4225eac-69c8e78]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_271]
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Invalid array type '"' at position 1: [<--[HERE]

How to reproduce:

@Override
public void onEnable() {
    ItemStack item = new ItemStack(Material.DIRT);
    ItemMeta meta = item.getItemMeta();
    PersistentDataContainer pdc = meta.getPersistentDataContainer();
    pdc.set(new NamespacedKey(this,"key"),PersistentDataType.STRING,"[\"my\",\"list\",\"of\",\"values\"]");
    item.setItemMeta(meta);
    YamlConfiguration yaml = new YamlConfiguration();
    yaml.set("item",item);
    try {
        yaml.save(new File(getDataFolder(), "item.yml"));
    } catch (IOException ioException) {
        ioException.printStackTrace();
    }

    // Next line is throwing the stacktrace
    YamlConfiguration loaded = YamlConfiguration.loadConfiguration(new File(getDataFolder(), "item.yml"));
}

The YAML produced from this looks correct but cannot be read:

item:
  ==: org.bukkit.inventory.ItemStack
  v: 2586
  type: CHEST
  meta:
    ==: ItemMeta
    meta-type: TILE_ENTITY
    PublicBukkitValues:
      nbtserialization:test: '["This contains","some json"]'
    blockMaterial: CHEST

Online YAML parsers / viewers have no problem with that, they load it fine and display the value as String (like expected), e.g. https://jsonformatter.org/yaml-viewer or http://www.yamllint.com/

The bug also occurs in CraftBukkit version 3053-Bukkit-69c8e78

(It seems like the deserialize method thinks the value is a YAML list although it should be read as normal String)

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NBTSerialization.jar
5 kB
28/Apr/21 9:07 AM

Assignee:: Unassigned

Reporter:: mfnalex

Votes:: 1 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 28/Apr/21 9:09 AM

Updated:: 28/Apr/21 3:05 PM

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