java.lang.IllegalArgumentException: value already present: null

GitHub | TheRaspPie | 3 months ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    Error while loading migrated Bukkit world

    GitHub | 3 months ago | TheRaspPie
    java.lang.IllegalArgumentException: value already present: null
  2. 0

    GitHub comment 16#274173211

    GitHub | 2 months ago | leezallen
    java.lang.NullPointerException
  3. Speed up your debug routine!

    Automated exception search integrated into your IDE

  4. 0

    GitHub comment 879#239635000

    GitHub | 7 months ago | DarkArc
    java.util.NoSuchElementException: No value present

    10 unregistered visitors
    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.IllegalArgumentException

      value already present: null

      at com.google.common.collect.HashBiMap.put()
    2. Guava
      HashBiMap.put
      1. com.google.common.collect.HashBiMap.put(HashBiMap.java:238)[minecraft_server.1.11.jar:?]
      2. com.google.common.collect.HashBiMap.put(HashBiMap.java:215)[minecraft_server.1.11.jar:?]
      2 frames
    3. org.spongepowered.common
      WorldManager.loadWorld
      1. org.spongepowered.common.world.WorldManager.registerWorldProperties(WorldManager.java:331)[WorldManager.class:1.11-6.0.0-BETA-190]
      2. org.spongepowered.common.world.WorldManager.loadWorld(WorldManager.java:597)[WorldManager.class:1.11-6.0.0-BETA-190]
      3. org.spongepowered.common.world.WorldManager.loadWorld(WorldManager.java:553)[WorldManager.class:1.11-6.0.0-BETA-190]
      3 frames
    4. MC Server
      MinecraftServer.loadWorld
      1. net.minecraft.server.MinecraftServer.loadWorld(SourceFile:406)[MinecraftServer.class:?]
      1 frame