dosubot[bot] commented on issue #2667:
URL:
https://github.com/apache/incubator-hugegraph/issues/2667#issuecomment-2380581088
<!-- Answer -->
To resolve the `java.lang.IllegalArgumentException: The server with name
'server-1' already in cluster` error when restarting a HugeGraph container, you
need to ensure that the server information is properly removed before
restarting. The `ServerInfoManager` class has a method `removeSelfServerInfo`
that can be used to remove the server information.
Here is a code snippet that demonstrates how to remove the server
information before restarting the container:
```java
public synchronized boolean close() {
this.closed = true;
if (!this.dbExecutor.isShutdown()) {
this.removeSelfServerInfo();
this.call(() -> {
try {
this.tx().close();
} catch (ConnectionException ignored) {
// ConnectionException means no connection established
}
this.graph.closeTx();
return null;
});
}
return true;
}
```
Additionally, ensure that the `server.id` in your `rest-server.properties`
configuration file is unique for each server in the cluster. The default value
is `server-1`, and if multiple servers use the same ID, it will cause
conflicts. You can change the `server.id` to a unique value for each server:
```properties
server.id=unique-server-id
```
Ensure that this method is called before the container is restarted to
remove the server information and avoid the `IllegalArgumentException`. Also,
verify that the `server.id` is unique across your cluster configuration.
Refer to the HugeGraph configuration documentation for more details on the
`rest-server.properties` file and other configuration options:
```properties
# rest-server.properties
server.id=server-1
server.role=master
restserver.url=http://127.0.0.1:8080
# Other configurations...
```
By following these steps, you can avoid conflicts and ensure a smooth
restart of your HugeGraph container
<sup>[[1]](https://github.com/apache/incubator-hugegraph/blob/master/hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/task/ServerInfoManager.java)</sup><sup>[[2]](https://github.com/apache/incubator-hugegraph-doc/blob/master/content/en/docs/config/config-option.md)</sup><sup>[[3]](https://github.com/apache/incubator-hugegraph-doc/blob/master/content/cn/docs/config/config-option.md)</sup>.
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