So you can use below method which will check any open connection at port eg:4723 and close it.

Let’s understand first, Before starting the server we first need to check whether the Appium server already running on any port eg :4723 and need to close that Appium instance. Prev - The specified capability is not a valid JSON. This port information is vital since you will have to direct your test client to make sure to connect to Appium on this port. Appium will now show you a little welcome message showing the version of Appium you're running and what port it's listening on (the default is 4723).

So let’s talk about how to handle above 4 points programmatically using Appium Java based framework. Double-check the availability of URL Appium Server of your provided WebDriver cloud based service. appium Or by clicking the huge Start Server button inside of Appium Desktop. Should happen automatically and needs to work reliably on multiple devices.

Starting the emulator( If you are not using real device).

Things got worst if you put your Appium code under CI-CD pipeline and everything including. You might agree with me that due to number of unexpected error occur test execution on multiple devices, Appium will crash unexpected giving different error which are hard to fix. HI Just wanted to check if Appium supports Xcode12 latest for Catalina os version 10.15 as I am not getting the following error : An unknown server side. If you are like me, who’s working in Mobile Automation framework development using Appium.

Check if appium server is running