Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via jsystemtest by rdekleijn
, 1 year ago
Could not contact Selenium Server; have you started it on 'localhost:4444' ? Read more at http://seleniumhq.org/projects/remote-control/not-started.html Connection refused: connect
via Google Groups by sujeetha, 2 years ago
Could not start Selenium session: Internal Server Error
via Google Groups by sam6, 2 years ago
Could not start Selenium session: Failed to start new browser session: Error while launching browser
via Stack Overflow by gene
, 9 months ago
via Google Groups by Ananth Prakash J, 2 years ago
Could not start Selenium session: Failed to start new browser session: Error while launching browser
via Google Groups by Krishnam, 2 years ago
Could not start Selenium session: ERROR: ERROR: Unknown environment '*firefox C:\Program Files (x86)\Mozilla Firefox\firefox.exe'
java.lang.RuntimeException: Could not contact Selenium Server; have you started it on 'localhost:4444' ?
Read more at http://seleniumhq.org/projects/remote-control/not-started.html
Connection refused: connect	at com.thoughtworks.selenium.DefaultSelenium.start(DefaultSelenium.java:86)	at com.thoughtworks.selenium.SeleneseTestBase.setUp(SeleneseTestBase.java:102)	at com.thoughtworks.selenium.SeleneseTestCase.setUp(SeleneseTestCase.java:78)	at org.jsystem.quickstart.Login.setUp(Login.java:11)	at junit.framework.TestCase.runBare(TestCase.java:132)	at com.thoughtworks.selenium.SeleneseTestCase.runBare(SeleneseTestCase.java:212)	at junit.framework.TestResult$1.protect(TestResult.java:110)	at junit.framework.TestResult.runProtected(TestResult.java:128)	at junit.framework.TestResult.run(TestResult.java:113)	at junit.framework.TestCase.run(TestCase.java:124)	at junit.framework.TestSuite.runTest(TestSuite.java:232)	at junit.framework.TestSuite.run(TestSuite.java:227)	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:81)	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45)	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)