Invalid server instance exception has occured when using AppiumDriverLocalService on Windows


Hi all,

I’m trying to run Appium from the command line, so i was following this tutorial : Start and Stop Appium Server Programmatically

mAppiumService = AppiumDriverLocalService.buildService(new AppiumServiceBuilder()
		     .usingDriverExecutable(new File(appiumNodeFile))
		     .withAppiumJS(new File(appiumJSFile))

where appiumNodeFile = C:/Program Files (x86)/Appium/node.exe
appiumJSFile = C:/Program Files (x86)/Appium/node_module/appium/bin/appium.js
and mAppiumService is an AppiumDriverLocalService object

I was trying for hours to launch it form the command line ,
Im getting the following error,
Invalid server instance exception has occured: The invalid appium node C:\Program Files (x86)\Appium\node_module\appium\bin\appium.js has been defined

I also set the JS file to C:/Program Files (x86)/Appium/node_module/appium/lib/server/main.js
same error.

Found that post unable-to-start-appium-service-by-appiumdriverlocalserivce it did not help me much.

everything is located within Appium folder under C:\Program Files(x86)\Appium
I use maven , I’ve tried both running it from IDE and CMD, got the same error.

NodeJS is already installed.

any ideas??



Getting the same error on Appium 1.5


hi, could someone help with this issue? i have similar problem…

just lost 4 hours of trying to run at least one test successfully, not to mention the problems with appium nuget package itself… i downloaded AppuimDotNetSample solution, updated all nuget packages, installed nodejs, appium, java, whatever was needed. the first problem was “at least one node must be running”, this did help: in apps.cs, add in the beginning of the Init() method:

Environment.SetEnvironmentVariable(AppiumServiceConstants.NodeBinaryPath, @“c:\Program Files (x86)\Appium\node.exe”);
Environment.SetEnvironmentVariable(AppiumServiceConstants.AppiumBinaryPath, @“c:\Program Files(x86)\Appium\Appium.exe”);

however, the result is:
The local appium server has not been started. The given Node.js executable: c:\Program Files (x86)\Appium\node.exe Arguments: “c:\Program Files (x86)\Appium\Appium.exe” --port 4723 --address --launch-timeout 30000 --backend-retries 5.

I’m running on windows server 2012 R2.

it would be very nice to have one simple straightforward example how to run and use this thing…


I mistakenly put a " after the file path and got the same error. This problem has much to do with the file path, like SPACES maybe the cause.
This works for me:
And the scripts are from: