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What is Halt?

Halt is incident response for dupes, crashes, and economy abuse: four watch modules, persisted staff cases, Discord, reversible lockdowns, and optional auto-contain. Default is watch-only. /halt arm contain is the kill-switch.

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License

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Do I need a license key?

Yes for the paid jar. Set license_key in plugins/Halt/config.yml. Claim product id HALT in Discord (/claim HALT), then paste the key and restart. /halt reload does not re-check it. The paid jar verifies at https://matt-drm.vercel.app/api/verify. Hardware identity uses OS/arch/user plus http://checkip.amazonaws.com. Empty keys and YOUR_KEY_HERE fail. Invalid keys never start Halt. License-server or HTTP 5xx failures may start Halt only when a 72-hour local cache matches the current key hash.

Discord support

License claims and troubleshooting.

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What is the demo jar?

The BuiltByBit test-server zip uses Halt-1.0.0-demo.jar with DRM compiled off. That jar ignores an empty key. Invalid keys still disable Halt. Production servers should run the paid Halt-1.0.0.jar.

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Does Halt require other plugins?

No. PlaceholderAPI, CoreProtect, GrimAC, and Vulcan are optional. Missing plugins do not crash Halt. Discord webhook alerts need a URL in alerts.yml.

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Does Halt replace LPX / ExploitFixer / Grim / Vulcan?

No. Packet tools and combat ACs stay. Halt is the incident-response layer. See Recommended stacks.

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Does Halt auto-ban?

No. Defaults are alerts. Armed contain restricts the player and matching mechanic. Optional punish.commands stay off until you enable them, and /halt incident <id> punish is still staff-triggered.

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Is economy lockdown a Vault freeze?

No. It blocks configured shop/trade commands and item-transfer systems (shulkers, hoppers, drops, containers) from lockdowns.yml. Account balances are not frozen.

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Platforms

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Does Halt support Folia?

Yes. folia-supported: true and Paper scheduler APIs (not BukkitScheduler). Paper-compatible 1.20.1 through 26.2. Folia 1.20.1 and 26.1.2 are the supported Folia line. Folia 26.2 is experimental. That is not a claim for every Folia fork.

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Java and Paper versions?

Halt bytecode is Java 17. Host Java:
  • 1.20.1–1.20.4: Java 17
  • 1.20.5–1.21.x: Java 21
  • 26.1+: Java 25 (the server requires it)
One jar. api-version: "1.20" so 1.20.1 hosts still load it.

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Geyser / Bedrock

FreecamWatch defaults to geyser_lenient: true with looser reach and angle for Geyser/Floodgate client brands. That reduces Bedrock false flags. It does not make Freecam “unaffected” on Geyser, and Halt does not block freecam clients on join.

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Storage

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Does Halt support MySQL?

Yes. SQLite is the default. Switch with /halt migrate storage --apply-config then a restart. See Installation.

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Can I Bukkit /reload?

No. Use /halt reload for safe keys, or a full restart (especially on Folia). Storage engine, SQLite file, and MySQL credentials are restart-required.

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Support tickets

Include Halt version, server software and version, Java version, plugin list, /halt status, a console snippet, steps to reproduce, and the modules / containment sections of config.yml.