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  1. ,

    You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

  2. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

java.lang.NumberFormatException: null	at java.lang.Integer.parseInt(Integer.java:542)	at java.lang.Integer.parseInt(Integer.java:615)	at com.appium.manager.AppiumParallelTest.checkSelendroid(AppiumParallelTest.java:300)	at com.appium.manager.AppiumParallelTest.androidNative(AppiumParallelTest.java:479)	at com.appium.manager.AppiumParallelTest.startingServerInstance(AppiumParallelTest.java:252)	at com.appium.manager.AppiumParallelTest.startAppiumServerInParallel(AppiumParallelTest.java:205)	at com.cucumber.listener.ExtentCucumberFormatter.startOfScenarioLifeCycle(ExtentCucumberFormatter.java:169)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)