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tdwcm 0.2.1 registered ~31 payloads via playBidirectional without .optional() AND registers real blocks/items/entities, so a one-sided install fails login twice (required-channel mismatch, then registry sync). Ship ASM-patched jar (tools/patches/build_patched_tdwcm.sh, TdwcmPatcher.java) that inserts registrar.optional(), and add it to server_pack so negotiation and registry sync pass on both sides. Verified: dedicated server boots clean (Done ~27s), tdwcm:tardis_interior dimension comes up under Sable physics + IPSable portal storage. Audit: no other client-only mod in the pack uses NeoForge's payload API.
92 lines
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4.5 KiB
Markdown
92 lines
No EOL
4.5 KiB
Markdown
# Server — Properties, JVM, Operations
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Three server tiers are provided as drop-in presets in `presets/<tier>/server/`
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(see `presets/README.md`). The **Medium** tier is the recommended default.
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| Tier | Host RAM | view-distance | simulation-distance | max-players |
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|------|----------|---------------|---------------------|-------------|
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| Low | 8-16 GB | 5 | 4 | 8 |
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| **Medium** | 16-32 GB | 8 | 6 | 8 |
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| High | 32 GB+ | 12 | 10 | 16 |
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Apply a tier (after `packwiz install`):
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```bash
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cp presets/medium/server/server.properties server_pack/server.properties
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# then use the matching jvm-flags.txt when launching
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```
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`server_pack/eula.txt` → `eula=true` (after review).
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## Recommended JVM Flags (server, Medium)
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```bash
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java -Xms4G -Xmx8G \
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-XX:+UseG1GC \
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-XX:+ParallelRefProcEnabled \
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-XX:MaxGCPauseMillis=200 \
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-XX:+UnlockExperimentalVMOptions \
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-XX:+DisableExplicitGC \
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-XX:+AlwaysPreTouch \
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-XX:G1NewSizePercent=30 \
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-XX:G1MaxNewSizePercent=40 \
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-XX:G1HeapRegionSize=8M \
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-XX:G1ReservePercent=20 \
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-XX:G1HeapWastePercent=5 \
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-XX:G1MixedGCCountTarget=4 \
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-XX:InitiatingHeapOccupancyPercent=15 \
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-XX:G1MixedGCLiveThresholdPercent=90 \
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-XX:G1RSetUpdatingPauseTimePercent=5 \
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-Dlog4j2.formatMsgNoLookups=true \
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-jar neoforge-21.1.248-server.jar nogui
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```
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Notes:
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- G1 tuning keeps large-tech-server TPS stable under chunk gen (Krypton
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Reno + BadOptimizations help server-side).
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- `-Xms4G` avoids early GC churn. Cap at 8G for Medium; this pack is
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RAM-hungry from AE2/Mekanism tick load but Medium does not need 16G.
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- See `presets/low/server/jvm-flags.txt` (2-4G) and
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`presets/high/server/jvm-flags.txt` (8-16G) for the other tiers.
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## Server start order
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1. `packwiz install --dir server_pack` (first time / after changes)
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2. Accept EULA.
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3. Launch with the JVM flags above.
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## Common failures
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| Symptom | Fix |
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|---------|-----|
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| "Mismatched mods" on client join | Run `packwiz refresh` both packs, redeploy. |
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| Sinytra connector errors | Update Sinytra Connector + Forgified Fabric API together. |
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| Iris black screen | Disable flywheel compat first, then test without shaders. |
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| Crash on world gen (Deeper and Darker) | Ensure CF 659011 + its lithostitched data load; update both. |
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| TPS lag from many AE2 cells | Check FTB chunk claims; lower `simulation-distance`. |
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| Immersive Portals won't load | Must be the Fabric jar added via `url add --force` (Modrinth blocks loader mismatch). |
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| Server boots with OLD mod set after a pack update | `packwiz-installer -g` only disables the GUI — it does NOT refresh metadata. Freshness comes from which `pack.toml` it reads: if the panel cloned the repo, `git pull` (or wipe + re-clone) before restart; the start script prefers a **local** `server_pack/pack.toml` over the remote URL. Verify with `python3 tools/validate_pack.py server_pack remote`. |
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| `EntityLMixin` / worldportal crash on boot | The pack ships a patched World Portal (`tools/patches/`); make sure `mods/worldportal-neoforge-0.0.10+1.21-patched.jar` is what actually landed (see stale-metadata row above). |
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| KubeJS `Wrapper for class ...ProcessingOutput already exists!` | Pack ships a patched Create Ore Excavation (`tools/patches/build_patched_coe.sh`) that removes its duplicate rhino wrapper; upstream race between COE and kubejs-create mod-construction order. Verify the `-patched.jar` landed (see stale-metadata row above). |
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### Patched jars in this pack
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Two mods ship as locally patched jars under `tools/patches/`; both are
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referenced by `mods/*.pw.toml` via raw git URLs, so **the jars must be pushed
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for any fresh install to work**:
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| Jar | Patch | Reproduce with |
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|-----|-------|----------------|
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| `worldportal-neoforge-0.0.10+1.21-patched.jar` | Removes `EntityLMixin` (conflicts with Sable mixins) | hand-patched; see commit a88a0c2 |
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| `createoreexcavation-1.21-1.6.8-patched.jar` | Strips COE's guarded `ProcessingOutput` wrapper registration (race vs kubejs-create) | `bash tools/patches/build_patched_coe.sh` |
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| `tdwcm-0.2.1-patched.jar` | Marks all TDWCM network channels `.optional()` (client-only mod registered ~31 required payloads → join rejection vs servers without it) | `bash tools/patches/build_patched_tdwcm.sh` |
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After changing either: update the hash in **both** packs'
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`mods/<name>.pw.toml`, run `packwiz refresh`, then
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`python3 tools/validate_pack.py <pack> remote`.
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## Backups
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- World: copy `server_pack/world/` (or use FTB Chunks backups).
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- Configs: `server_pack/config/` mirrors client defaults; keep both in sync
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when changing KubeJS scripts or FTB settings. |