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I tried to start the appium server programmatically but encounter error. How to resolve this issues? I have nodejs installed and appium installed and environemnt variable set properly. I"m using maven appium java client 6.1.0 and selenium 3.14.0. Please help. A billion thanks for your help.

Code:

try {

            File appDir = new File(System.getProperty("user.dir"));

            File app = new File(appDir, "..\apk\Flipkart.apk");



            // apk Capabilities

            DesiredCapabilities caps = new DesiredCapabilities();

            caps.setCapability("deviceName", "Sony Xperia Z2");

            caps.setCapability("BROWSER_NAME", "Android");

            caps.setCapability("platformVersion", "6.0");

            caps.setCapability(MobileCapabilityType.PLATFORM_NAME, Platform.ANDROID);

            //caps.setCapability("udid", "WUJ01N4RQ3"); // DeviceId from "adb devices" command

            caps.setCapability("platformName", "Android");

            caps.setCapability("app", app.getAbsolutePath());

            caps.setCapability("appPackage", "com.flipkart.android");

            caps.setCapability("appActivity","com.flipkart.android.SplashActivity");



            // Appium Capabilities

            caps.setCapability("skipUnlock","true");

            caps.setCapability("noReset","false");



            appiumBuilder = new AppiumServiceBuilder();

            appiumBuilder.withIPAddress("127.0.0.1");

            appiumBuilder.usingPort(47233);

            appiumBuilder.withCapabilities(caps);

            appiumBuilder.withStartUpTimeOut(3, TimeUnit.MINUTES);

            appiumBuilder.withLogFile(new File(System.getProperty("user.dir") + "\log\appium.log"));

            appiumBuilder.withArgument(GeneralServerFlag.SESSION_OVERRIDE);

            appiumBuilder.withArgument(GeneralServerFlag.LOG_LEVEL, "DEBUG");

            appiumBuilder.withArgument(GeneralServerFlag.ASYNC_TRACE, "true");



            appiumServer = AppiumDriverLocalService.buildService(appiumBuilder);

            appiumServer.start();

            //new URL("http://127.0.0.1:47233/wd/hub")

            driver = new AndroidDriver<MobileElement>(appiumServer, caps);

            driver.manage().timeouts().implicitlyWait(5, TimeUnit.SECONDS);



        } catch (Exception ex) {

            LogManager.logger.log(Level.INFO, "Exception: " + ex.getMessage());

        }

Error Log:

INFO: Exception: Invalid server instance exception has occured: There
is no installed nodes! Please install node via NPM
(https://www.npmjs.com/package/appium#using-node-js) or download and
install Appium app (http://appium.io/downloads.html) Jan 03, 2019
3:52:12 PM com.peterwkc.testManager.AndroidManager tearDown INFO:
Exception: null

EDIT:
I believe appium source code cannot detect my installation of nodejs and appium.

I faced the same issue at my end

1. Try to run the node server instance from command line, just type "node" and enter -- server should get started


2. Open another terminal window and just check if all details are been going good for the process running by doing "ps eww"


3. The node process running should be displayed here


4. Just kill the "node server", by typing "Killall node" on the same command window you did "ps eww"


5. The "node"window will show the process terminated.

Time for the truth, run your script and all should get going smoothly

I did this with
appium - 1.9.0
node - 11.9.0
npm version - 6.5.0
testscript - Java
tool - Eclipse
platform - iOS (10.14)

Try installing Appium globally. This resolved the issue for me.

npm install -g appium