Not able to open android device on appium studio

I have added android device (samsung s9) to appium studio (20.1.6447).
But couldnt be able to open device screen from appium studio.
I am getting - failed to open connection to adb:deviceName, connection to device’screen monitor was lost.
and sometimes getting : Timeout was reached. Failed to open connection.

Getting Time out error. Same device was working fine till yesterday.

Logs:

2020-02-14 18:40:01,540 [AWT-EventQueue-0] (imagestudio.actions.OpenDeviceAction) INFO Action: Open Device
2020-02-14 18:40:01,571 [pool-25-thread-1–Open device 2a64a2bf06047ece] (experitest.device.Device) DEBUG Open device
2020-02-14 18:40:01,571 [pool-25-thread-1–Open device 2a64a2bf06047ece] (imagestudio.actions.OpenDeviceAction) WARN Got exception during device open
com.experitest.image.agent.InternalException: The connection to device’s screen monitor was lost
at com.experitest.image.agent.android.adb.screen.injector.UiAutomatorInjector.wakeScreen(UiAutomatorInjector.java:38)
at com.experitest.device.GenericAndroidDevice.initDeviceController(GenericAndroidDevice.java:1242)
at com.experitest.device.GenericAndroidDevice.initInjector(GenericAndroidDevice.java:1168)
at imagestudio.uiport.AbstractDeviceUiPort.startOpeningIfIsNot(AbstractDeviceUiPort.java:93)
at imagestudio.uiport.AndroidDeviceUiPort.startOpeningIfIsNot(AndroidDeviceUiPort.java:15)
at com.experitest.device.Device.startOpeningIfIsNot(Device.java:563)
at com.experitest.device.GenericAndroidDevice.open(GenericAndroidDevice.java:705)
at imagestudio.actions.OpenDeviceAction$OpenWorker$1.innerRun(OpenDeviceAction.java:381)
at com.experitest.utils.background.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:34)
at com.experitest.utils.TimeLimitedCodeBlock$1.call(TimeLimitedCodeBlock.java:24)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
2020-02-14 18:43:01,578 [SwingWorker-pool-10-thread-7] (imagestudio.actions.OpenDeviceAction) WARN Got exception during device open
java.util.concurrent.TimeoutException
at java.util.concurrent.FutureTask.get(Unknown Source)
at com.experitest.utils.TimeLimitedCodeBlock.runWithTimeout(TimeLimitedCodeBlock.java:64)
at com.experitest.utils.TimeLimitedCodeBlock.runWithTimeout(TimeLimitedCodeBlock.java:21)
at imagestudio.actions.OpenDeviceAction$OpenWorker.doInBackground(OpenDeviceAction.java:371)
at imagestudio.actions.OpenDeviceAction$OpenWorker.doInBackground(OpenDeviceAction.java:338)
at javax.swing.SwingWorker$1.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at javax.swing.SwingWorker.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
2020-02-14 18:43:15,393 [pool-3-thread-1] (experitest.licenseutil.CommunityLice

Please check this solution here in this discussion - Error during opening a device.

Problem looks similar

Thanks, it works for me - I have disabled the appium studio option to use system proxy and manually added the proxy details. And updated the agent port from 4723 to 4729 for communication. It worked for me. Thanks for your help @kishore .

Welcome … Glad it worked. @Komal