Cannot start inspector server: Os { code: 10048, kind: AddrInUse, message: "Only one usage of each socket address (protocol/network address/port) is normally permitted." }

[ooker777]

Code:

const a = 1

Error:

Cannot start inspector server: Os { code: 10048, kind: AddrInUse, message: "Only one usage of each socket address (protocol/network address/port) is normally permitted." }

============================================================
Deno has panicked. This is a bug in Deno. Please report this
at https://github.com/denoland/deno/issues/new.
If you can reliably reproduce this panic, include the
reproduction steps and re-run with the RUST_BACKTRACE=1 env
var set and include the backtrace in your report.

Platform: windows x86_64
Version: 1.42.1
Args: ["C:\\Users\\ganuo\\AppData\\Local\\Microsoft\\WinGet\\Links\\deno.EXE", "run", "--inspect-wait", "--allow-all", "--unstable-kv", ".\\test.ts"]

thread 'main' panicked at runtime\inspector_server.rs:88:53:
called `Result::unwrap()` on an `Err` value: TrySendError { kind: Disconnected }
stack backtrace:
   0:     0x7ff77135b5a2 - napi_release_threadsafe_function
   1:     0x7ff76fd7873d - napi_release_threadsafe_function
   2:     0x7ff771339581 - napi_release_threadsafe_function
   3:     0x7ff77135ef5a - napi_release_threadsafe_function
   4:     0x7ff77135e89f - napi_release_threadsafe_function
   5:     0x7ff77135e3fb - napi_release_threadsafe_function
   6:     0x7ff76fb320ac - napi_fatal_error
   7:     0x7ff77135f2c3 - napi_release_threadsafe_function
   8:     0x7ff77135f179 - napi_release_threadsafe_function
   9:     0x7ff77135f0b9 - napi_release_threadsafe_function
  10:     0x7ff77135f0a2 - napi_release_threadsafe_function
  11:     0x7ff772a4aff7 - CrashForExceptionInNonABICompliantCodeRange
  12:     0x7ff772a4b5e3 - CrashForExceptionInNonABICompliantCodeRange
  13:     0x7ff770794a36 - napi_release_threadsafe_function
  14:     0x7ff770b9f651 - napi_release_threadsafe_function
  15:     0x7ff76fafbc69 - napi_fatal_error
  16:     0x7ff76fafa982 - napi_fatal_error
  17:     0x7ff76fa909c9 - napi_fatal_error
  18:     0x7ff76fb0a922 - napi_fatal_error
  19:     0x7ff76f597b09 - <unknown>
  20:     0x7ff76fc0fca5 - napi_release_threadsafe_function
  21:     0x7ff76f6a61c0 - napi_cancel_async_work
  22:     0x7ff76fb344d7 - napi_fatal_error
  23:     0x7ff76f57707d - <unknown>
  24:     0x7ff76fc0fdc9 - napi_release_threadsafe_function
  25:     0x7ff7729eeccc - CrashForExceptionInNonABICompliantCodeRange
  26:     0x7ffaead6257d - BaseThreadInitThunk
  27:     0x7ffaeb62aa48 - RtlUserThreadStart
Process exited with code 1

launch.json:

{
  "version": "0.2.0",
  "configurations": [
    {
      "request": "launch",
      "name": "Launch Program",
      "type": "node",
      "program": "${file}",
      "cwd": "${workspaceFolder}",
      "runtimeExecutable": "C:\\Users\\ganuo\\AppData\\Local\\Microsoft\\WinGet\\Links\\deno.EXE",
      "runtimeArgs": [
        "run",
        "--inspect-wait",
        "--allow-all",
        "--unstable-kv"
      ],
      "attachSimplePort": 9229,
      "env": {
        "RUST_BACKTRACE": "full"
      }
    }
  ]
}

[bartlomieju]

Please update to the newer version of Deno, it is no longer panicking now, but gives a regular error.