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I Fixed a Minecraft Mod by Patching a Java .class File

I was playing DawnCraft when I ran into a strangely specific bug. The Spellbound Book worked perfectly in singleplayer. On my dedicated server, it didn't.

  • Dedicated server player discovered Spellbound Book mod bug affecting only attack functionality
  • Investigated by opening mod's JAR file instead of making configuration changes
  • Modified compiled Java class file to remove CLIENT side restriction from event bus annotation

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