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fix(installer): improve error message when port 4000 is already in use #1062

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Merged
untitaker merged 1 commit into from
Jun 9, 2026
+6 −2
Merged

fix(installer): improve error message when port 4000 is already in use #1062

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8 changes: 6 additions & 2 deletions installer/src/tplink.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -346,9 +346,13 @@ async fn tplink_launch_telnet_v5(admin_ip: &str) -> Result<(), Error> {
admin_ip: admin_ip.to_owned(),
});

let listener = tokio::net::TcpListener::bind("127.0.0.1:4000")
let bind_addr = "127.0.0.1:4000";
let listener = tokio::net::TcpListener::bind(bind_addr)
.await
.unwrap();
.with_context(|| format!(
"Failed to bind to {bind_addr}. Is another process using this port?\n\
Try closing any application that might be listening on port 4000 and rerun the installer."
))?;

println!("Listening on http://{}", listener.local_addr().unwrap());
println!("Please open above URL in your browser and log into the router to continue.");
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