René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Parallel testing using Browserstack.local = true fails","articleBody":"Executing mvn test -P suite with \"browserstack.local\": true\r\nfails with java.lan.NullPointerException: null\r\n\r\nTerminal error - output\r\nsetUp(com.browserstack.suite.SuiteTest09)  Time elapsed: 0.005 sec  \u003c\u003c\u003c FAILURE!\r\ncom.browserstack.local.LocalException:  *** Error: Either another browserstack local client is running on your machine or some server is listening on port 45691\r\n        at com.browserstack.local.Local.start(Local.java:90)\r\n        at com.browserstack.BrowserStackTestNGTest.setUp(BrowserStackTestNGTest.java:64)\r\n        at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)\r\n        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n        at java.lang.reflect.Method.invoke(Method.java:498)\r\n        at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:86)\r\n        at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:514)\r\n        at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:215)\r\n        at org.testng.internal.Invoker.invokeMethod(Invoker.java:589)\r\n        at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:820)\r\n        at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1128)\r\n        at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:129)\r\n        at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:112)\r\n        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\r\n        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\r\n        at java.lang.Thread.run(Thread.java:748)\r\n","author":{"url":"https://github.com/amarnath-wow","@type":"Person","name":"amarnath-wow"},"datePublished":"2019-11-10T07:45:56.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/19/testng-browserstack/issues/19"}