Original error: Could not find a connected Android device in

Hi, everyone,
I am running my android tests through Jenkins and always get fail with error: selenium.common.exceptions.WebDriverException: Message: An unknown server-side error occurred while processing the command. Original error: Could not find a connected Android device in 20456ms.

When trying to start session manually on Appium server side with saved capabilities, then get message:
Error
An unknown server-side error occurred while processing the command. Original error: Could not find a connected Android device in 20349ms.

PATH to ANDROID_HOME; ANDROID_SDK set which used jenkins on: /.jenkins/tools/android-sdk/platform-tools

who knows the root cause?

Calling AppiumDriver.createSession() with args: [{“app”:“C:\Windows\ServiceProfiles\LocalService\.jenkins\tools\android-sdk\gpk\gest.apk”,“appActivity”":“",“appPackage”:"kz.",“deviceName”:“Android Emulator”,“ensureWebviewsHavePages”:true,“newCommandTimeout”:6000,“platformName”:“Android”,“connectHardwareKeyboard”:true},null,null]
[BaseDriver] Event ‘newSessionRequested’ logged at 1607926919906 (12:21:59 GMT+0600 (East Kazakhstan Time))
[Appium]
[Appium] ======================================================================
[Appium] DEPRECATION WARNING:
[Appium]
[Appium] The ‘automationName’ capability was not provided in the desired
[Appium] capabilities for this Android session
[Appium]
[Appium] Setting ‘automationName=UiAutomator2’ by default and using the
[Appium] UiAutomator2 Driver
[Appium]
[Appium] The next major version of Appium (2.x) will require the
[Appium] ‘automationName’ capability to be set for all sessions on all
[Appium] platforms
[Appium]
[Appium] In previous versions (Appium <= 1.13.x), the default was
[Appium] ‘automationName=UiAutomator1’
[Appium]
[Appium] If you wish to use that automation instead of UiAutomator2, please
[Appium] add ‘automationName=UiAutomator1’ to your desired capabilities
[Appium]
[Appium] For more information about drivers, please visit
[Appium] http://appium.io/docs/en/about-appium/intro/ and explore the
[Appium] ‘Drivers’ menu
[Appium]
[Appium] ======================================================================
[Appium]
[Appium] Appium v1.18.3 creating new AndroidUiautomator2Driver (v1.56.1) session
[Appium] Applying relaxed security to ‘AndroidUiautomator2Driver’ as per server command line argument. All insecure features will be enabled unless explicitly disabled by --deny-insecure
[BaseDriver] Creating session with MJSONWP desired capabilities: {
[BaseDriver] “app”: “C:\Windows\ServiceProfiles\LocalService\.jenkins\tools\android-sdk\gpk\gest.apk”,
[BaseDriver] “appActivity”": "
***************”,
[BaseDriver] “appPackage”: “kz.*****************”,
[BaseDriver] “deviceName”: “Android Emulator”,
[BaseDriver] “ensureWebviewsHavePages”: true,
[BaseDriver] “newCommandTimeout”: 6000,
[BaseDriver] “platformName”: “Android”,
[BaseDriver] “connectHardwareKeyboard”: true
[BaseDriver] }
[BaseDriver] The following capabilities were provided, but are not recognized by Appium:
[BaseDriver] appActivity"
[BaseDriver] connectHardwareKeyboard
[BaseDriver] Session created with session id: 8418e60f-6d77-4614-b619-e5b0adb4a6d6
[BaseDriver] Using local app ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\gpk\gest.apk’
[UiAutomator2] Checking whether app is actually present
[ADB] Using ‘adb.exe’ from ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe’
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 start-server’
[AndroidDriver] Retrieving device list
[ADB] Trying to find a connected android device
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[ADB] Getting connected devices
[ADB] No connected devices have been detected
[ADB] Could not find online devices
[ADB] Reconnecting adb (target offline)
[ADB] Running ‘C:\Windows\ServiceProfiles\LocalService.jenkins\tools\android-sdk\platform-tools\adb.exe -P 5037 reconnect offline’
[UiAutomator2] Deleting UiAutomator2 session
[BaseDriver] Event ‘newSessionStarted’ logged at 1607926940393 (12:22:20 GMT+0600 (East Kazakhstan Time))
[MJSONWP] Encountered internal error running command: Error: Could not find a connected Android device in 20349ms.
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:267:13)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:18)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] at getDevices (C:\Program Files\Appium\resources\app\node_modules\appium\node_modules\appium-adb\lib\tools\system-calls.js:284:12)
[MJSONWP] Destroying socket connection
[HTTP] <-- POST /wd/hub/session 500 20503 ms - 190
[HTTP]
[HTTP] --> DELETE /wd/hub/session
[HTTP] {}
[HTTP] No route found. Setting content type to ‘text/plain’
[HTTP] <-- DELETE /wd/hub/session 404 1 ms - 57
[HTTP]

someone plss tell me how to solve this

How we can help you while in above log ‘adb’ command (which is Google) returns - no connected devices?

Check you enabled developer mode, check that you can see phone manually with adb command.