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  1. Minecraft: Java Edition
  2. MC-23105

Exception in Server when exiting

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    • Confirmation Status:
      Unconfirmed

      Description

      When exiting a freshly created minecraft Server with Ctrl+C on the linux console, I got a lot of console spam. The messages all were

      java.util.ConcurrentModificationException
              at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1115)
              at java.util.TreeMap$KeyIterator.next(TreeMap.java:1169)
              at jr.a(SourceFile:454)
              at aed.a(SourceFile:217)
              at aed.a(SourceFile:91)
              at jq.b(SourceFile:154)
              at jq.a(SourceFile:183)
              at jr.a(SourceFile:602)
              at net.minecraft.server.MinecraftServer.a(SourceFile:263)
              at net.minecraft.server.MinecraftServer.m(SourceFile:283)
              at hg.run(SourceFile:566)
      

      Being able to code a little bit in Java, this seems to be a severe bug (race condition or missing synchronization or something).

      After restarting the server some chunks looked as if they were not saved correctly.

      This is reproducible.

      Can attach additional files like server.properties if necessary.

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              Assignee:
              Unassigned Unassigned
              Reporter:
              jonathanhaas Jonathan Haas
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                Updated:
                Resolved: