Access denied to /dev/ttyUSB0

[Loïc Minier]

Hi,

You need to use:

plugs: [serial-port]

In your snapcraft.yaml; then you also have to connect your snap to that
interface manually as it's not autoconnected; check "snap interfaces" to
see which plugs and slots are connected.

Cheers,

- Loïc Minier

On Wed, Sep 7, 2016 at 4:00 PM, Jenny Murphy <jenny.murphy at episensor.com>
wrote:

> Hi,
>  I solved the previous issue regarding the use of the RXTX java library
> and the application is loading and running without errors.
> However my java code isn't detecting the port, it should be able to see
> /dev/ttyUSB0.
>
> In the dmesg log I see the following errors :
>
> [101043.875139] usb 1-2: new full-speed USB device number 7 using xhci_hcd
> [101044.006418] usb 1-2: New USB device found, idVendor=10c4,
> idProduct=ea60
> [101044.006441] usb 1-2: New USB device strings: Mfr=1, Product=2,
> SerialNumber=3
> [101044.006456] usb 1-2: Product: CP2102 USB to UART Bridge Controller
> [101044.006470] usb 1-2: Manufacturer: Silicon Labs
> [101044.006482] usb 1-2: SerialNumber: 0001
> [101044.011589] cp210x 1-2:1.0: cp210x converter detected
> [101044.012037] usb 1-2: cp210x converter now attached to ttyUSB0
>
> [101098.191960] audit_printk_skb: 258 callbacks suppressed
>
> [101098.191979] audit: type=1400 audit(1473254849.416:69078):
> apparmor="DENIED" operation="open" profile="gateway.sideload_main_IdNRFcRcGPGe"
> name="/dev/ttyUSB0" pid=4875 comm="java" requested_mask="wr"
> denied_mask="wr" fsuid=0 ouid=0
>
>
> Is there anyway to solve this. I am working on a Ubuntu 15.04 platform.
>
> Thanks again.
>
> --
> *Jenny Murphy*
> *EpiSensor, Georges Quay House, Georges Quay, Limerick, Ireland*
> jenny.murphy at episensor.com <jenny.murphy at episensor.com>  t | +353 (0) 61
> 512 511  w | http://www.episensor.com
>
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>


-- 
- Loïc
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