unable to use serial port

[Puneetkumarpal]

Issue Type: Bug

after new update visual code is unable to open serial port.

it's show the message:

Failed to open serial port COM32 due to error: + TypeError: Cannot read property 'close' of null

Extension version: 0.2.27
VS Code version: Code 1.40.0 (86405ea23e3937316009fc27c9361deee66ffbf5, 2019-11-06T17:01:56.781Z)
OS version: Windows_NT ia32 6.1.7601

System Info

Item	Value
CPUs	Intel(R) Celeron(R) CPU 1037U @ 1.80GHz (2 x 1795)
GPU Status	2d_canvas: enabled flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled metal: disabled_off multiple_raster_threads: disabled_off oop_rasterization: disabled_off protected_video_decode: unavailable_off rasterization: unavailable_off skia_renderer: disabled_off surface_control: disabled_off surface_synchronization: enabled_on video_decode: enabled viz_display_compositor: enabled_on viz_hit_test_surface_layer: disabled_off webgl: enabled webgl2: unavailable_off
Load (avg)	undefined
Memory (System)	3.39GB (1.13GB free)
Process Argv
Screen Reader	no
VM	0%

[mathertel]

duplicate to #918

[dooriya]

The serial port issue has been fixed in the latest Arduino extension release (0.2.28).
Please install the latest Arduino 0.2.28 from marketplace https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.vscode-arduino to verify if this is resolved on your environment.

[Puneetkumarpal]

Ok thank you sir

…

On Fri, Nov 15, 2019 at 2:40 PM Dooriya Li ***@***.***> wrote: The serial port issue has been fixed in the latest Arduino extension release (0.2.28). Please install the latest Arduino 0.2.28 from marketplace https://marketplace.visualstudio.com/items?itemName=vsciot-vscode.vscode-arduino to verify if this is resolved on your environment. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#919?email_source=notifications&email_token=AGE3LNCMG733U2EJ2UWLSR3QTZRP3A5CNFSM4JKUYKZ2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEEEZLGI#issuecomment-554276249>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AGE3LNGVRJCT7XGFKE7ZVPLQTZRP3ANCNFSM4JKUYKZQ> .

[dooriya]

Thanks you all for the feedback,
Since this issue is resolved in the latest 0.2.28 release, I gonna to close it here.