How to Create a OneBlock Server in Minecraft (Paper Java Guide)

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To create a multiplayer OneBlock server, run Minecraft Java Edition on Paper, install a OneBlock plugin, create a dedicated void world, initialize the starting block, and then configure player access and protection. You can use a standalone plugin that runs directly on Paper, or AOneBlock as an add-on for BentoBox. The two routes differ in dependencies, configuration, and administration, but both turn a single block in the void into a progressing survival world.

What a OneBlock server actually is

OneBlock is a SkyBlock-style game mode. Instead of generating a normal overworld, the server gives each player or team a small island centered on one regenerating block in empty space. Players repeatedly break that block; each break produces the next material, resource, or creature in the configured progression. As the sequence advances, players build an island, gather resources, complete phases, and eventually reach late-game content.

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The block is not simply an ordinary block with infinite durability. The OneBlock plugin controls what appears after each break, when a phase changes, which loot tables are used, and how an island is protected. Installing a plugin alone therefore does not create a playable world: you must also create or select the correct world and initialize its OneBlock reference point.

Choose an implementation

There are two practical implementations documented for Paper servers. Pick one before uploading files; do not install both in the same world unless their documentation explicitly says they can coexist.

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Standalone OneBlock plugin

The standalone project is listed as compatible with Bukkit, Paper, Purpur, and Spigot. Its documented example uses a world-management command to create a world and then sets the OneBlock location:

/mv create OneBlock normal -g Oneblock
/ob set

Players enter the mode with /ob join or /ob. This route has fewer layers: the OneBlock plugin runs as a normal server plugin, while your world-management, permissions, and protection tools remain separate. The exact supported Minecraft versions and required dependencies depend on the release you download, so check the project page for the release that matches your Paper version.

AOneBlock on BentoBox

AOneBlock is an add-on for BentoBox rather than a standalone server plugin. BentoBox must be installed first. The AOneBlock file then belongs in BentoBox’s add-on directory:

plugins/BentoBox/addons/AOneBlock.jar

After a restart, players use /ob and administrators use /oba. BentoBox supplies the island framework, while AOneBlock supplies the phases, block progression, loot, and OneBlock-specific behavior. This is the better fit when you already use BentoBox islands or want its administration model, but it adds another dependency that must be kept compatible.

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Implementation comparison

For a small server with no existing island framework, the standalone route is usually simpler to reason about. For a BentoBox-based network, AOneBlock avoids running a second island system. In either case, matching versions and reading the release notes matter more than the label on the plugin.

Requirements and a safe test plan

• Minecraft Java Edition: These plugin implementations target a Java server, not Bedrock Dedicated Server.
• Paper: Install a Paper build that matches the Minecraft version supported by the chosen plugin release.
• Server access: You need filesystem access to upload JAR files and permission to restart the process.
• Separate test instance: Test the plugin and world generation before exposing the server to players.
• Backups: Save the entire server directory, including worlds, plugin folders, configuration files, and logs, before every first install, configuration edit, and update.
• Trusted downloads: Paper warns that plugins receive full and unrestricted access to the server and the machine on which it runs. Download only from the project’s official page or a repository you trust, and do not run an unverified JAR on a production machine.

You can run Paper on a computer you control or rent managed Minecraft server hosting when you need continuous availability, a public address, or easier power and network management. The plugin steps are the same, but a rented server may restrict file paths or restart controls; use its file manager and console without changing the required directory structure.

Install and start Paper

1. Download the Paper build for the Minecraft version required by your selected OneBlock release.
2. Make a new, empty server directory for testing. Keeping it separate prevents a failed plugin experiment from changing an existing survival world.
3. Place the Paper server JAR in that directory and start it using the command supplied with your Paper download or server panel.
4. Read the startup output and accept Minecraft’s EULA in the generated EULA file if the server asks you to do so. Start Paper again after accepting it.
5. Stop the server cleanly once it reaches the ready state. This creates the standard folders, including plugins and logs.
6. Join locally or through your host’s console once to confirm that the base Paper server works before adding OneBlock.

Do not use a world from another server as your first test. A clean instance makes it clear whether an error comes from Paper, a dependency, a plugin, or old configuration data.

Install the standalone OneBlock plugin

1. Stop Paper and make a backup of the test directory.
2. Download the standalone OneBlock JAR from its official project page or another trusted repository. Confirm that its listed Minecraft and server-platform versions include your Paper build.
3. Place the JAR directly in the server’s plugins folder. Do not put it in a nested folder and do not leave a ZIP file there.
4. Install any dependencies listed by that release before starting Paper. The documented world-creation example uses an /mv command, so your server must have the world-management component that provides that command if you intend to follow the example.
5. Start or restart Paper. A full restart is safer than a hot reload because it lets dependencies load in order and avoids stale classes.
6. Run /plugins from the console or as an operator. A green plugin entry indicates that Paper loaded it; a red entry means it failed and requires log inspection.
7. Run the plugin’s help command, if available, to confirm that /ob and /ob set are registered before creating a public world.

Install AOneBlock with BentoBox

1. Stop Paper and back up the server.
2. Download a BentoBox build compatible with your Paper and Minecraft versions. Put the BentoBox JAR directly in plugins.
3. Start Paper once so BentoBox creates its directories, then stop the server again. This two-stage start lets you verify that the base dependency loaded before adding the add-on.
4. Download the AOneBlock JAR version that matches BentoBox and your server version.
5. Place the file at plugins/BentoBox/addons/AOneBlock.jar. The location is significant: putting it beside BentoBox in plugins does not install it as a BentoBox add-on.
6. Start Paper and run /plugins. Confirm BentoBox is loaded, then check the console for AOneBlock’s load message. Use /ob as a player and /oba as an administrator after the server finishes starting.
7. If AOneBlock does not appear, stop troubleshooting the game world and read logs/latest.log first. A missing BentoBox dependency or an incompatible build must be fixed before configuration.

Create and initialize the OneBlock world

World creation and plugin installation are separate operations. A plugin can load successfully while no playable OneBlock world exists.

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Standalone example

1. From the console or as an operator, create a dedicated world with the documented example:

/mv create OneBlock normal -g Oneblock

2. Move to the location that should hold the regenerating block. Choose a safe, central coordinate rather than a location near a world border or another generator.
3. Run /ob set. The plugin documents optional offset and coordinate forms, so use its command help when the default position is not suitable.
4. Have a test player run /ob join or /ob. Break the block once and verify that it regenerates with the expected material or loot.
5. Confirm that the player cannot reach another test island, fall into an unprotected neighboring area, or break blocks outside the intended region.

If the /mv command is unknown, the world-management dependency is absent or not loaded. If the world is created but the generator name is unknown, check the exact generator name exposed by the OneBlock release rather than guessing a spelling.

BentoBox and AOneBlock world

AOneBlock uses BentoBox’s island framework. Follow the add-on’s world-creation instructions for the release you installed, then use /ob to create or join an island. Use /oba for administrative setup and diagnostics. Do not assume that a normal world generated before AOneBlock was installed will automatically become an AOneBlock world; the add-on must initialize its own settings and island data.

Configure multiplayer play

Once a test island works, configure the rules that determine how players share space and progression. The available names and permission nodes vary by implementation, but the projects expose the following categories:

• Invites and teams: Decide whether a player can invite others, whether invited players become permanent island members, and who may remove a member.
• Resets: Set who can reset an island and whether a reset deletes the previous build immediately. Require confirmation for destructive commands.
• Island spacing: Leave enough distance between islands that bridges, explosions, mobs, and accidental block placement cannot affect neighbors.
• Protection: Enable region protection for the island and the OneBlock location. Test breaking, placing, containers, redstone, pistons, fire, fluids, and mob damage with both members and visitors.
• World borders: Set a border that limits exploration without cutting through an existing island. A border is a second safety layer, not a replacement for island protection.
• Physics: Decide how falling blocks, water, lava, redstone, and explosions behave. Physics settings that are harmless in a normal world can destroy a tiny OneBlock island.
• Progress display: Configure the action-bar, boss-bar, or other progress display if the plugin provides one. Test it with multiple players so one player’s progress is not incorrectly shown to everyone.

Give ordinary players only the permissions they need to join, invite, and manage their own island. Keep world creation, phase editing, resets, and administrative commands restricted to trusted operators.

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Understand phases, loot, and progression

AOneBlock’s project description claims about 12,000 blocks in a single run and lists 12 gameplay phases. Those are project-page figures that may change as the add-on is updated; they are not a guarantee that every release or configuration produces the same count. A phase normally changes the materials and events available from the central block, so an incorrectly edited table can make a run impossible or remove essential resources.

Edit only while the server is stopped

1. Stop Paper normally and wait until the process exits. Never edit YAML while the server is writing the same file.
2. Back up the relevant AOneBlock and BentoBox directories and record the exact release versions.
3. Open the phase or loot YAML files with a text editor that preserves indentation and UTF-8 text. Do not use a word processor that inserts formatting.
4. Change one small section at a time. Keep the original file so you can compare a working key, list, weight, or material name.
5. Start Paper and inspect logs/latest.log for YAML parsing errors, unknown materials, or invalid weights.
6. Test a new island through the affected phase. Some changes do not apply to existing islands until the documentation’s regeneration procedure is followed.
7. Regenerate only the worlds the documentation identifies as affected, and do so after a verified backup. Regeneration can delete island progress.

Do not paste configuration from a different Minecraft version without checking material names and schema changes. A file that looks valid can still load with missing entries or silently alter the progression.

Verify the server before inviting players

• Join with a normal player account and confirm that /ob opens the intended menu or joins the correct island.
• Invite a second account, test membership, and then test the visitor permissions after that account leaves.
• Break the central block repeatedly through several drops. Confirm that progress advances and that the progress display remains associated with the correct island.
• Attempt prohibited actions: breaking protected blocks, opening another island’s containers, using fluids across a border, and triggering explosions.
• Restart Paper and verify that islands, phase progress, inventories, and settings persist.
• Restore the backup to a separate test directory once, so you know the backup is usable before a real failure occurs.

Troubleshoot common failures

Paper specifically identifies missing dependencies, invalid plugin JARs, and duplicate plugin names as common loading problems. The log normally states which file or dependency caused the failure; read that message before trying unrelated fixes.

Updating, backing up, and running in production

Before an update, announce downtime, stop the server, copy the entire directory, and record the old Paper, BentoBox, and OneBlock versions. Read the new plugin’s migration notes before replacing a JAR. Do not delete configuration files simply because the new release generated a different filename; old files may contain island data or carefully tuned progression.

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After updating, start a copy of the server first. Check plugin load status, join a test island, break the central block, run an invite and reset test, and restart once more. Only then replace the production JAR. Keep at least one known-good version so you can roll back if a world or configuration migration fails.

For a public server, schedule automated world backups and retain multiple restore points. A backup that runs while Paper is writing region or island files may be incomplete, so use a server-aware backup method or stop the server for a consistent snapshot. Limit operator access, review who can use /oba or world-creation commands, and treat every plugin update as code execution on the host machine.

Final launch checklist

1. Paper and the selected OneBlock implementation support the same Minecraft version.
2. Every required JAR is in the correct directory, with BentoBox add-ons under plugins/BentoBox/addons.
3. /plugins shows the expected entries as loaded.
4. A dedicated OneBlock world exists and its reference point or BentoBox island settings are initialized.
5. A test player can join, break the central block, progress, leave, and rejoin without losing data.
6. Invites, resets, spacing, protection, borders, physics, and progress displays have been tested with a non-operator account.
7. Configuration edits were made while the server was stopped, and affected worlds were regenerated only after a backup.
8. logs/latest.log is clean after startup and after the first test session.
9. A restorable backup and a rollback plan exist before public players are admitted.

With those checks complete, your Paper server has a real multiplayer OneBlock mode rather than merely a plugin file: players have an initialized island, a controlled progression, and protection that survives restarts and routine administration.

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