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  1. Minecraft: Java Edition
  2. MC-193339

NullPointerException during shutdown when rcon enabled with no password

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: 1.16.1
    • Fix Version/s: 20w30a
    • Labels:
      None
    • Confirmation Status:
      Confirmed
    • Category:
      Crash, Dedicated Server
    • Mojang Priority:
      Very Important

      Description

      1.  enable-rcon=true in server.properties
      2. Leave all other options default
      3. Start server
      4. Type /stop
      5. Observe NPE on shutdown
      6. Note: This is the full NPE, the rest is cut off
      [09:16:09] [main/ERROR]: Unknown biome, defaulting to plainsNo key biome in MapLike[{}]
      [09:16:09] [main/ERROR]: No key layers in MapLike[{}]; No key structures in MapLike[{}]
      [09:16:09] [main/INFO]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', name='PROD'
      [09:16:10] [main/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
      [09:16:10] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
      [09:16:10] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
      [09:16:10] [main/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
      [09:16:10] [main/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
      [09:16:10] [main/INFO]: Reloading ResourceManager: Default
      [09:16:11] [Worker-Main-14/INFO]: Loaded 7 recipes
      [09:16:11] [Worker-Main-14/INFO]: Loaded 927 advancements
      [09:16:12] [Server thread/INFO]: Starting minecraft server version 1.16.1
      [09:16:12] [Server thread/INFO]: Loading properties
      [09:16:12] [Server thread/INFO]: Default game type: SURVIVAL
      [09:16:12] [Server thread/INFO]: Generating keypair
      [09:16:13] [Server thread/INFO]: Starting Minecraft server on *:25566
      [09:16:13] [Server thread/INFO]: Using epoll channel type
      [09:16:13] [Server thread/INFO]: Preparing level "world"
      [09:16:13] [Server thread/INFO]: Preparing start region for dimension minecraft:overworld
      [09:16:14] [Server thread/INFO]: Preparing spawn area: 0%
      [09:16:14] [Server thread/INFO]: Preparing spawn area: 0%
      [09:16:14] [Server thread/INFO]: Preparing spawn area: 0%
      [09:16:14] [Server thread/INFO]: Preparing spawn area: 0%
      [09:16:15] [Worker-Main-11/INFO]: Preparing spawn area: 87%
      [09:16:16] [Server thread/INFO]: Preparing spawn area: 87%
      [09:16:16] [Server thread/INFO]: Preparing spawn area: 93%
      [09:16:16] [Server thread/INFO]: Preparing spawn area: 98%
      [09:16:17] [Server thread/INFO]: Time elapsed: 3624 ms
      [09:16:17] [Server thread/INFO]: Done (3.774s)! For help, type "help"
      [09:16:17] [Server thread/INFO]: Starting remote control listener
      [09:16:17] [Server thread/WARN]: No rcon password set in server.properties, rcon disabled!
      stop
      [09:16:20] [Server thread/INFO]: Stopping the server
      [09:16:20] [Server thread/INFO]: Stopping server
      [09:16:20] [Server thread/INFO]: Saving players
      [09:16:20] [Server thread/INFO]: Saving worlds
      [09:16:20] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world]'/minecraft:overworld
      [09:16:22] [Server thread/INFO]: ThreadedAnvilChunkStorage (world): All chunks are saved
      [09:16:22] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world]'/minecraft:the_nether
      [09:16:22] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
      [09:16:22] [Server thread/INFO]: Saving chunks for level 'ServerLevel[world]'/minecraft:the_end
      [09:16:22] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
      [09:16:22] [Server thread/INFO]: ThreadedAnvilChunkStorage (world): All chunks are saved
      [09:16:22] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
      [09:16:22] [Server thread/INFO]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
      [09:16:22] [Server thread/ERROR]: java.lang.NullPointerException
       

       

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            Assignee:
            boq [Mojang] Bartosz Bok
            Reporter:
            md_5 [Mod] md_5
            Votes:
            3 Vote for this issue
            Watchers:
            2 Start watching this issue

              Dates

              Created:
              Updated:
              Resolved:
              CHK: