Run the dedicated JAR
Start a local backend with Java 25, create an API token, and verify client access.
The dedicated JAR starts a backend independently of a desktop client. It keeps bot sessions running after remote clients disconnect. Use Docker if you prefer a managed container.
Prepare Java and the JAR
Install Java 25 and check the executable:
java -versionDownload the dedicated JAR from Downloads. Place it in an empty deployment directory and open a terminal there. Use the exact downloaded filename in the command below. The backend uses this working directory for its persistent data.
Start a local listener
java -Xmx2G -XX:+EnableDynamicAgentLoading -Dsf.grpc.host=127.0.0.1 -jar SoulFireDedicated.jarSoulFireDedicated.jar represents the downloaded filename. Released assets can include a version suffix.
The 2 GB heap illustrates a small trial, not a bot-capacity guarantee.
The first start can take longer while the launcher prepares its dependencies and data.
Wait for the backend to finish loading before connecting a client.
The backend can print recommended JVM tuning flags.
Those flags tune performance. The sf.flags.v2 property acknowledges that warning; it does not apply the flags itself.
Use measured backend performance to choose a heap and tuning settings.
Generate an API token
In the server's interactive console, run:
generate-token apiOpen the desktop app with Dedicated server (remote).
Use http://127.0.0.1:38765 and the generated token for a client on the same computer.
Expect the instance pages to load.
Then connect one bot to check the complete workflow.
Configure the listener
| Property | Default for dedicated mode | Purpose |
|---|---|---|
sf.grpc.host | 0.0.0.0 | Address to bind |
sf.grpc.port | 38765 | API port |
Pass system properties before -jar:
java -Xmx2G -XX:+EnableDynamicAgentLoading -Dsf.grpc.host=127.0.0.1 -Dsf.grpc.port=38766 -jar SoulFireDedicated.jarFor remote clients, configure a suitable listener and HTTPS access.
A remote client's 127.0.0.1 refers to that client, not this backend.
Console and shutdown
-Dterminal.jline=true or false controls the interactive terminal.
-Dterminal.ansi=true or false controls terminal colors.
Pause scripts and stop bots before maintenance.
Run stop in the backend console for a clean shutdown.
Restart from the same directory to preserve its saved data.
Use backup and restore before replacing the JAR or moving that directory.
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